HEX atlas value

#FB2D2D

#FB2D2D is a warm red HEX color close to Vermilion. According to Colors Encyclopedia, it converts to RGB 251, 45, 45, HSL 0, 96%, 58%, has luminance 0.2258, and belongs to the vibrant group.

red warm vibrant

#FB2D2D Sample readable text

HEX #FB2D2D

RGB rgb(251, 45, 45)

HSL hsl(0 96% 58%)

CMYK cmyk(0, 82, 82, 2)

Luminance 0.2258

Contrast Black 5.52:1White 3.81:1

CSS

--color-fb2d2d: #FB2D2D;
.background-fb2d2d { background-color: #FB2D2D; }
.text-fb2d2d { color: #FB2D2D; }

Luminance0.2258

Black text5.52:1AA Pass

White text3.81:1AA Fail

hexCanonical HEX value

rgbRed, green, blue channels

hslHue, saturation, lightness

cmykApproximate print conversion

wcagAA and AAA contrast options

harmoniesMathematical harmony sets

variantsGenerated tone variants

nearestColorsKnowledge graph neighbors

Structured sections

Color systems

{"hex":"#FB2D2D","rgb":[251,45,45],"hsl":[0,96,58],"cmyk":[0,82,82,2],"luminance":0.2258,"contrast":{"black":5.52,"white":3.81}}

WCAG

{"AA":["#000000","#1A1A1A"],"AAA":[]}

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":5.52,"wcagAA":true,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":3.81,"wcagAA":false,"wcagAAA":false}]

Accessible alternatives

[{"name":"#2DFBFB","hex":"#2DFBFB","family":"cyan","bestTextColor":"#000000","contrastBlack":16.3,"contrastWhite":1.29,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"#FB942D","hex":"#FB942D","family":"orange","bestTextColor":"#000000","contrastBlack":9.38,"contrastWhite":2.24,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#FD8787","hex":"#FD8787","family":"red","bestTextColor":"#000000","contrastBlack":8.99,"contrastWhite":2.34,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#C80404","hex":"#C80404","family":"red","bestTextColor":"#FFFFFF","contrastBlack":3.47,"contrastWhite":6.04,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":[]},{"name":"#FB2D94","hex":"#FB2D94","family":"pink","bestTextColor":"#000000","contrastBlack":5.9,"contrastWhite":3.56,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":[]}]

AI context

{"semanticGroups":["warm red","vibrant","vibrant red","Vermilion adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","high-energy accents","high-attention visual states"],"contrastSafeWith":["#000000","#1A1A1A"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/fb2d2d.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/vermilion.json","https://www.colorsencyclopedia.com/api/colors/poppy-red.json","https://www.colorsencyclopedia.com/api/colors/cinnabar.json"]}

Harmonies

{"complementary":"#2DFBFB","analogous":["#FB2D94","#FB942D"],"triadic":["#2DFB2D","#2D2DFB"],"tetradic":["#94FB2D","#2DFBFB","#942DFB"],"splitComplementary":["#2DFB94","#2D94FB"],"monochromatic":["#FD8787","#FB2D2D","#C80404"]}

Variants

{"light":"#FD8787","dark":"#C80404","saturated":"#FF2929","desaturated":"#E34545","pastel":"#F7B1B1","neon":"#FF5252"}

Nearest named colors

[{"slug":"vermilion","name":"Vermilion","hex":"#E34234","distance":32.64965543462902},{"slug":"poppy-red","name":"Poppy Red","hex":"#DC343B","distance":34.72751070837067},{"slug":"cinnabar","name":"Cinnabar","hex":"#E44D2E","distance":39.42080668885405},{"slug":"neon-red","name":"Neon Red","hex":"#FF073A","distance":40.36087214122113},{"slug":"crimson","name":"Crimson","hex":"#DC143C","distance":42.555845661906424}]

HEX meaning and use

About #FB2D2D

#FB2D2D is classified as a warm red value with vibrant visual character. #FB2D2D is visually closest to Vermilion, a named red color with HEX #E34234.

The RGB channels are 251, 45, and 45, with red carrying the strongest channel weight. In HSL, the hue is 0deg with 96% saturation and 58% lightness, so this page treats it as a high-saturation, mid-lightness atlas color rather than a generic swatch.

According to Colors Encyclopedia, this HEX value works best for color conversion, WCAG contrast checks, CSS color tokens, and high-energy accents. Its luminance is 0.2258, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 32.65, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text5.52:1AA Pass

White text3.81:1AA Fail

AA text options: #000000, #1A1A1A.

AAA text options: none in seed set.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #FB2D2D needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000005.52:1 · AA

White text#FFFFFF3.81:1 · Fail

Accessible Alternatives

#2DFBFB#000000 text · best 16.3:1#2DFBFB

#FB942D#000000 text · best 9.38:1#FB942D

#FD8787#000000 text · best 8.99:1#FD8787

#C80404#FFFFFF text · best 6.04:1#C80404

#FB2D94#000000 text · best 5.9:1#FB2D94

Generated Palette

#FB2D2D#FB2D2D

#2DFBFB#2DFBFB

#FB2D94#FB2D94

#FB942D#FB942D

#FD8787#FD8787

#C80404#C80404

Color Harmonies

#2DFBFB#2DFBFB

#FB2D94#FB2D94

#FB942D#FB942D

#2DFB2D#2DFB2D

#2D2DFB#2D2DFB

Variants

#FD8787#FD8787

#C80404#C80404

#FF2929#FF2929

#E34545#E34545

#F7B1B1#F7B1B1

#FF5252#FF5252

Nearest Named Colors

Vermilion#E34234

Poppy Red#DC343B

Cinnabar#E44D2E

Neon Red#FF073A

Crimson#DC143C

#FB2D2D

CSS

Machine-Readable HEX Data (JSON)

About #FB2D2D

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides