#A91C30#A91C30

#A91C30 is a mid, vivid red. Relative luminance 0.095; OKLCH L 47.8% C 0.174 H 20.4°. Best body text is #FFFFFF at 7.25:1 contrast (WCAG AA passes).

Color values

HEX	#A91C30
RGB	rgb(169, 28, 48)
HSL	hsl(351, 72%, 39%)
HSV	hsv(351, 83%, 66%)
CMYK	cmyk(0%, 83.4%, 71.6%, 33.7%)
CIE-LAB	lab(36.90, 55.43, 26.34)
CIE-LCH	lch(36.90, 61.37, 25.41°)
OKLab	oklab(47.76% 0.1631 0.0607)
OKLCH	oklch(47.76% 0.174 20.4)
XYZ	xyz(17.3130, 9.4817, 3.7143)
Luminance	0.0948 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A91C30 #1CA995

analogous

#A91C76 #A91C30 #A94E1C

triadic

#A91C30 #30A91C #1C30A9

tetradic

#A91C30 #76A91C #1CA995 #4E1CA9

square

#A91C30 #76A91C #1CA995 #4E1CA9

split-complementary

#A91C30 #1CA94E #1C76A9

monochromatic

#400B12 #741321 #A91C30 #DB2741 #E45B6F

Accessibility & contrast

On white

7.25

#A91C30 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.90

#A91C30 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A91C30

7.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A91C30	#FFFFFF	#000000	##FFFFFF
##A91C30	1.00	7.25	2.90	7.25
#FFFFFF	7.25	1.00	21.00	1.00
#000000	2.90	21.00	1.00	21.00
##FFFFFF	7.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#494430

Deuteranopia (green-blind)

#6C612B

Tritanopia (blue-blind)

#BA0025

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #a91c30;
/* rgb */ color: rgb(169, 28, 48);
/* oklch */ color: oklch(47.8% 0.174 20.4);

Tailwind

colors: {
  custom: {
    50: '#cb6968',
    500: '#a91c30',
    950: '#000000',
  },
}

SCSS

$custom: #a91c30;
$custom-light: #cb6968;
$custom-dark: #000000;

JSON

{
  "hex": "#a91c30",
  "rgb": {
    "r": 169,
    "g": 28,
    "b": 48
  },
  "hsl": {
    "h": 351.489,
    "s": 71.574,
    "l": 38.627
  },
  "oklch": {
    "l": 0.47763,
    "c": 0.17404,
    "h": 20.4
  },
  "luminance": 0.09479
}

Semantic roles & 50–950 ramp

primary

#A91C30

secondary

#59C8B8

accent

#EED539

background

#FDF6F6

surface

#FBECEB

border

#D4C7C6

text

#150706

muted

#837A7A

Preview Lab

Preview with #A91C30

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →