#A91D1C#A91D1C

#A91D1C is a mid, vivid red. Relative luminance 0.094; OKLCH L 47.6% C 0.175 H 27.4°. Best body text is #FFFFFF at 7.29:1 contrast (WCAG AA passes).

Color values

HEX	#A91D1C
RGB	rgb(169, 29, 28)
HSL	hsl(0, 72%, 39%)
HSV	hsv(0, 83%, 66%)
CMYK	cmyk(0%, 82.8%, 83.4%, 33.7%)
CIE-LAB	lab(36.74, 54.44, 38.02)
CIE-LCH	lch(36.74, 66.40, 34.93°)
OKLab	oklab(47.57% 0.1556 0.0805)
OKLCH	oklch(47.57% 0.175 27.4)
XYZ	xyz(17.0133, 9.4004, 2.0170)
Luminance	0.0940 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A91D1C #1CA8A9

analogous

#A91C61 #A91D1C #A9631C

triadic

#A91D1C #1CA91D #1D1CA9

tetradic

#A91D1C #61A91C #1CA8A9 #631CA9

square

#A91D1C #61A91C #1CA8A9 #631CA9

split-complementary

#A91D1C #1CA963 #1C61A9

monochromatic

#400B0B #741413 #A91D1C #DB2827 #E45C5B

Accessibility & contrast

On white

7.29

#A91D1C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.88

#A91D1C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A91D1C

7.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A91D1C	#FFFFFF	#000000	##FFFFFF
##A91D1C	1.00	7.29	2.88	7.29
#FFFFFF	7.29	1.00	21.00	1.00
#000000	2.88	21.00	1.00	21.00
##FFFFFF	7.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B431A

Deuteranopia (green-blind)

#6D6114

Tritanopia (blue-blind)

#BB001F

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #a91d1c;
/* rgb */ color: rgb(169, 29, 28);
/* oklch */ color: oklch(47.6% 0.175 27.4);

Tailwind

colors: {
  custom: {
    50: '#cc6959',
    500: '#a91d1c',
    950: '#000000',
  },
}

SCSS

$custom: #a91d1c;
$custom-light: #cc6959;
$custom-dark: #000000;

JSON

{
  "hex": "#a91d1c",
  "rgb": {
    "r": 169,
    "g": 29,
    "b": 28
  },
  "hsl": {
    "h": 0.426,
    "s": 71.574,
    "l": 38.627
  },
  "oklch": {
    "l": 0.47574,
    "c": 0.17516,
    "h": 27.4
  },
  "luminance": 0.09398
}

Semantic roles & 50–950 ramp

primary

#A91D1C

secondary

#59C7C8

accent

#EDEE39

background

#FDF6F5

surface

#FBECE9

border

#D4C7C5

text

#160704

muted

#847A79

Preview Lab

Preview with #A91D1C

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

Preview Lab → · Contrast checker → · Palette generator →