HEX atlas value

#91A3B0

#91A3B0 is a cool blue HEX color nearest Cadet Gray. RGB 145, 163, 176, HSL 205° 16% 63%, luminance 0.3535; view contrast and conversions.

blue cool muted

#91A3B0 Sample readable text

HEX #91A3B0

RGB rgb(145, 163, 176)

HSL hsl(205 16% 63%)

CMYK cmyk(18, 7, 0, 31)

Luminance 0.3535

Contrast Black 8.07:1White 2.6:1

CSS

--color-91a3b0: #91A3B0;
.background-91a3b0 { background-color: #91A3B0; }
.text-91a3b0 { color: #91A3B0; }

HEX meaning and use

About #91A3B0

#91A3B0 is classified as a cool blue value with muted visual character. #91A3B0 is visually closest to Cadet Gray, a named blue color with HEX #91A3B0.

The RGB channels are 145, 163, and 176, with blue carrying the strongest channel weight. In HSL, the hue is 205deg with 16% saturation and 63% lightness, so this page treats it as a low-saturation, mid-lightness atlas color rather than a generic swatch.

Practical uses for this HEX value include color conversion, WCAG contrast checks, CSS color tokens, and muted interface themes. Its luminance is 0.3535, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 0.00, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text8.07:1AA Pass

White text2.6:1AA Fail

AA text options: #000000, #1A1A1A.

AAA text options: #000000.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #91A3B0 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000008.07:1 · AAA

White text#FFFFFF2.6:1 · Fail

Accessible Alternatives

#C7D0D6#C7D0D6 · #000000 text · best 13.42:1 #92B0AD#92B0AD · #000000 text · best 9.04:1 Dark Grey#A9A9A9 · #000000 text · best 8.94:1 #7DA7C5#7DA7C5 · #000000 text · best 8.21:1 #B09E92#B09E92 · #000000 text · best 8.15:1

Generated Palette

Cadet Gray#91A3B0

#B09E92#B09E92

#92B0AD#92B0AD

#9294B0#9294B0

#C7D0D6#C7D0D6

#607685#607685

Color Harmonies

#B09E92#B09E92

#92B0AD#92B0AD

#9294B0#9294B0

#B092A3#B092A3

#A3B092#A3B092

Variants

#C7D0D6#C7D0D6

#607685#607685

#7DA7C5#7DA7C5

#A1A1A1#A1A1A1

#E0E0E1#E0E0E1

#6BC1FF#6BC1FF

Nearest Named Colors

Cadet Gray#91A3B0

Tourmaline#86A1A9

Cool Gray#8C92AC

Dark Gray#A9A9A9

Dark Grey#A9A9A9

Luminance0.3535

Black text8.07:1AA Pass

White text2.6:1AA 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":"#91A3B0","rgb":[145,163,176],"hsl":[205,16,63],"cmyk":[18,7,0,31],"luminance":0.3535,"contrast":{"black":8.07,"white":2.6}}

WCAG

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

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":8.07,"wcagAA":true,"wcagAAA":true},{"name":"White text","hex":"#FFFFFF","contrast":2.6,"wcagAA":false,"wcagAAA":false}]

Accessible alternatives

[{"name":"#C7D0D6","hex":"#C7D0D6","family":"blue","bestTextColor":"#000000","contrastBlack":13.42,"contrastWhite":1.56,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#92B0AD","hex":"#92B0AD","family":"cyan","bestTextColor":"#000000","contrastBlack":9.04,"contrastWhite":2.32,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"Dark Grey","hex":"#A9A9A9","family":"gray","bestTextColor":"#000000","contrastBlack":8.94,"contrastWhite":2.35,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#7DA7C5","hex":"#7DA7C5","family":"blue","bestTextColor":"#000000","contrastBlack":8.21,"contrastWhite":2.56,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000"]},{"name":"#B09E92","hex":"#B09E92","family":"orange","bestTextColor":"#000000","contrastBlack":8.15,"contrastWhite":2.58,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000"]}]

AI context

{"semanticGroups":["cool blue","muted","muted blue","Cadet Gray adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","muted interface themes","calm digital interfaces"],"contrastSafeWith":["#000000","#1A1A1A"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/91a3b0.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/cadet-gray.json","https://www.colorsencyclopedia.com/api/colors/tourmaline.json","https://www.colorsencyclopedia.com/api/colors/cool-gray.json"]}

Harmonies

{"complementary":"#B09E92","analogous":["#92B0AD","#9294B0"],"triadic":["#B092A3","#A3B092"],"tetradic":["#AD92B0","#B09E92","#94B092"],"splitComplementary":["#B09294","#B0AD92"],"monochromatic":["#C7D0D6","#91A3B0","#607685"]}

Variants

{"light":"#C7D0D6","dark":"#607685","saturated":"#7DA7C5","desaturated":"#A1A1A1","pastel":"#E0E0E1","neon":"#6BC1FF"}

Nearest named colors

[{"slug":"cadet-gray","name":"Cadet Gray","hex":"#91A3B0","distance":0},{"slug":"tourmaline","name":"Tourmaline","hex":"#86A1A9","distance":13.19090595827292},{"slug":"cool-gray","name":"Cool Gray","hex":"#8C92AC","distance":18.16590212458495},{"slug":"dark-gray","name":"Dark Gray","hex":"#A9A9A9","distance":25.709920264364882},{"slug":"dark-grey","name":"Dark Grey","hex":"#A9A9A9","distance":25.709920264364882}]

#91A3B0

CSS

About #91A3B0

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Machine-Readable HEX Data (JSON)

Related HEX Guides