#A91C1D#A91C1D

#A91C1D is a mid, vivid red. Relative luminance 0.094; OKLCH L 47.5% C 0.176 H 26.9°. Best body text is #FFFFFF at 7.32:1 contrast (WCAG AA passes).

Color values

HEX	#A91C1D
RGB	rgb(169, 28, 29)
HSL	hsl(360, 72%, 39%)
HSV	hsv(360, 83%, 66%)
CMYK	cmyk(0%, 83.4%, 82.8%, 33.7%)
CIE-LAB	lab(36.66, 54.73, 37.39)
CIE-LCH	lch(36.66, 66.28, 34.34°)
OKLab	oklab(47.52% 0.1567 0.0795)
OKLCH	oklch(47.52% 0.176 26.9)
XYZ	xyz(17.0013, 9.3570, 2.0731)
Luminance	0.0935 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A91C1D #1CA9A8

analogous

#A91C63 #A91C1D #A9611C

triadic

#A91C1D #1DA91C #1C1DA9

tetradic

#A91C1D #63A91C #1CA9A8 #611CA9

square

#A91C1D #63A91C #1CA9A8 #611CA9

split-complementary

#A91C1D #1CA961 #1C63A9

monochromatic

#400B0B #741314 #A91C1D #DB2728 #E45B5C

Accessibility & contrast

On white

7.32

#A91C1D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.87

#A91C1D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A91C1D

7.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A91C1D	#FFFFFF	#000000	##FFFFFF
##A91C1D	1.00	7.32	2.87	7.32
#FFFFFF	7.32	1.00	21.00	1.00
#000000	2.87	21.00	1.00	21.00
##FFFFFF	7.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B431B

Deuteranopia (green-blind)

#6D6115

Tritanopia (blue-blind)

#BB001F

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #a91c1d;
/* rgb */ color: rgb(169, 28, 29);
/* oklch */ color: oklch(47.5% 0.176 26.9);

Tailwind

colors: {
  custom: {
    50: '#cc685a',
    500: '#a91c1d',
    950: '#000000',
  },
}

SCSS

$custom: #a91c1d;
$custom-light: #cc685a;
$custom-dark: #000000;

JSON

{
  "hex": "#a91c1d",
  "rgb": {
    "r": 169,
    "g": 28,
    "b": 29
  },
  "hsl": {
    "h": 359.574,
    "s": 71.574,
    "l": 38.627
  },
  "oklch": {
    "l": 0.47516,
    "c": 0.17569,
    "h": 26.9
  },
  "luminance": 0.09354
}

Semantic roles & 50–950 ramp

primary

#A91C1D

secondary

#59C8C7

accent

#EEED39

background

#FDF6F5

surface

#FBECE9

border

#D4C7C5

text

#150704

muted

#837A79

Preview Lab

Preview with #A91C1D

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

Preview Lab → · Contrast checker → · Palette generator →