HEX atlas value

#C33028

#C33028 is a warm red HEX color close to Persian Red. According to Colors Encyclopedia, it converts to RGB 195, 48, 40, HSL 3, 66%, 46%, has luminance 0.1387, and belongs to the balanced group.

red warm balanced

#C33028 Sample readable text

HEX #C33028

RGB rgb(195, 48, 40)

HSL hsl(3 66% 46%)

CMYK cmyk(0, 75, 79, 24)

Luminance 0.1387

Contrast Black 3.77:1White 5.56:1

CSS

--color-c33028: #C33028;
.background-c33028 { background-color: #C33028; }
.text-c33028 { color: #C33028; }

Luminance0.1387

Black text3.77:1AA Fail

White text5.56:1AA Pass

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":"#C33028","rgb":[195,48,40],"hsl":[3,66,46],"cmyk":[0,75,79,24],"luminance":0.1387,"contrast":{"black":3.77,"white":5.56}}

WCAG

{"AA":["#FFFFFF","#F5F5F5"],"AAA":[]}

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":3.77,"wcagAA":false,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":5.56,"wcagAA":true,"wcagAAA":false}]

Accessible alternatives

[{"name":"#771D18","hex":"#771D18","family":"red","bestTextColor":"#FFFFFF","contrastBlack":1.97,"contrastWhite":10.64,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#28BBC3","hex":"#28BBC3","family":"cyan","bestTextColor":"#000000","contrastBlack":8.99,"contrastWhite":2.34,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"Brown","hex":"#A52A2A","family":"red","bestTextColor":"#FFFFFF","contrastBlack":2.96,"contrastWhite":7.09,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF"]},{"name":"Firebrick","hex":"#B22222","family":"red","bestTextColor":"#FFFFFF","contrastBlack":3.14,"contrastWhite":6.68,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":[]},{"name":"#E06D67","hex":"#E06D67","family":"red","bestTextColor":"#000000","contrastBlack":6.55,"contrastWhite":3.21,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":[]}]

AI context

{"semanticGroups":["warm red","balanced","balanced red","Persian Red adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","high-attention visual states"],"contrastSafeWith":["#FFFFFF","#F5F5F5"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/c33028.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/persian-red.json","https://www.colorsencyclopedia.com/api/colors/firebrick.json","https://www.colorsencyclopedia.com/api/colors/brown.json"]}

Harmonies

{"complementary":"#28BBC3","analogous":["#C3286E","#C37D28"],"triadic":["#28C330","#3028C3"],"tetradic":["#6EC328","#28BBC3","#7D28C3"],"splitComplementary":["#28C37D","#286EC3"],"monochromatic":["#E06D67","#C33028","#771D18"]}

Variants

{"light":"#E06D67","dark":"#771D18","saturated":"#DD180E","desaturated":"#A94742","pastel":"#DB938F","neon":"#FF2014"}

Nearest named colors

[{"slug":"persian-red","name":"Persian Red","hex":"#CC3333","distance":14.52583904633395},{"slug":"firebrick","name":"Firebrick","hex":"#B22222","distance":22.825424421026653},{"slug":"brown","name":"Brown","hex":"#A52A2A","distance":30.659419433511783},{"slug":"poppy-red","name":"Poppy Red","hex":"#DC343B","distance":31.654383582688826},{"slug":"rust","name":"Rust","hex":"#B7410E","distance":33.301651610693426}]

HEX meaning and use

About #C33028

#C33028 is classified as a warm red value with balanced visual character. #C33028 is visually closest to Persian Red, a named red color with HEX #CC3333.

The RGB channels are 195, 48, and 40, with red carrying the strongest channel weight. In HSL, the hue is 3deg with 66% saturation and 46% lightness, so this page treats it as a moderate-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-attention visual states. Its luminance is 0.1387, white text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 14.53, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text3.77:1AA Fail

White text5.56:1AA Pass

AA text options: #FFFFFF, #F5F5F5.

AAA text options: none in seed set.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #C33028 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000003.77:1 · Fail

White text#FFFFFF5.56:1 · AA

Accessible Alternatives

#771D18#FFFFFF text · best 10.64:1#771D18

#28BBC3#000000 text · best 8.99:1#28BBC3

Brown#FFFFFF text · best 7.09:1#A52A2A

Firebrick#FFFFFF text · best 6.68:1#B22222

#E06D67#000000 text · best 6.55:1#E06D67

Generated Palette

#C33028#C33028

#28BBC3#28BBC3

#C3286E#C3286E

#C37D28#C37D28

#E06D67#E06D67

#771D18#771D18

Color Harmonies

#28BBC3#28BBC3

#C3286E#C3286E

#C37D28#C37D28

#28C330#28C330

#3028C3#3028C3

Variants

#E06D67#E06D67

#771D18#771D18

#DD180E#DD180E

#A94742#A94742

#DB938F#DB938F

#FF2014#FF2014

Nearest Named Colors

Persian Red#CC3333

Firebrick#B22222

Brown#A52A2A

Poppy Red#DC343B

Rust#B7410E

#C33028

CSS

Machine-Readable HEX Data (JSON)

About #C33028

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides