#A91C31#A91C31

#A91C31 is a mid, vivid red. Relative luminance 0.095; OKLCH L 47.8% C 0.174 H 20.0°. Best body text is #FFFFFF at 7.25:1 contrast (WCAG AA passes).

Color values

HEX	#A91C31
RGB	rgb(169, 28, 49)
HSL	hsl(351, 72%, 39%)
HSV	hsv(351, 83%, 66%)
CMYK	cmyk(0%, 83.4%, 71%, 33.7%)
CIE-LAB	lab(36.91, 55.48, 25.73)
CIE-LCH	lch(36.91, 61.16, 24.88°)
OKLab	oklab(47.78% 0.1635 0.0595)
OKLCH	oklch(47.78% 0.174 20)
XYZ	xyz(17.3338, 9.4900, 3.8242)
Luminance	0.0949 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A91C31 #1CA994

analogous

#A91C77 #A91C31 #A94D1C

triadic

#A91C31 #31A91C #1C31A9

tetradic

#A91C31 #77A91C #1CA994 #4D1CA9

square

#A91C31 #77A91C #1CA994 #4D1CA9

split-complementary

#A91C31 #1CA94D #1C77A9

monochromatic

#400B13 #741322 #A91C31 #DB2742 #E45B70

Accessibility & contrast

On white

7.25

#A91C31 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.90

#A91C31 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A91C31

7.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A91C31	#FFFFFF	#000000	##FFFFFF
##A91C31	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)

#494431

Deuteranopia (green-blind)

#6C612C

Tritanopia (blue-blind)

#BA0026

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #a91c31;
/* rgb */ color: rgb(169, 28, 49);
/* oklch */ color: oklch(47.8% 0.174 20.0);

Tailwind

colors: {
  custom: {
    50: '#cb6969',
    500: '#a91c31',
    950: '#000000',
  },
}

SCSS

$custom: #a91c31;
$custom-light: #cb6969;
$custom-dark: #000000;

JSON

{
  "hex": "#a91c31",
  "rgb": {
    "r": 169,
    "g": 28,
    "b": 49
  },
  "hsl": {
    "h": 351.064,
    "s": 71.574,
    "l": 38.627
  },
  "oklch": {
    "l": 0.47779,
    "c": 0.174,
    "h": 20
  },
  "luminance": 0.09487
}

Semantic roles & 50–950 ramp

primary

#A91C31

secondary

#59C8B7

accent

#EED339

background

#FDF6F6

surface

#FBECEB

border

#D4C7C6

text

#150706

muted

#837A7A

Preview Lab

Preview with #A91C31

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

Preview Lab → · Contrast checker → · Palette generator →