#A71D1E#A71D1E

#A71D1E is a mid, vivid red. Relative luminance 0.092; OKLCH L 47.2% C 0.173 H 26.8°. Best body text is #FFFFFF at 7.40:1 contrast (WCAG AA passes).

Color values

HEX	#A71D1E
RGB	rgb(167, 29, 30)
HSL	hsl(360, 70%, 38%)
HSV	hsv(360, 83%, 65%)
CMYK	cmyk(0%, 82.6%, 82%, 34.5%)
CIE-LAB	lab(36.35, 53.91, 36.39)
CIE-LCH	lch(36.35, 65.04, 34.02°)
OKLab	oklab(47.21% 0.1545 0.0779)
OKLCH	oklch(47.21% 0.173 26.8)
XYZ	xyz(16.6121, 9.1907, 2.1273)
Luminance	0.0919 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A71D1E #1DA7A6

analogous

#A71D63 #A71D1E #A7611D

triadic

#A71D1E #1EA71D #1D1EA7

tetradic

#A71D1E #63A71D #1DA7A6 #611DA7

square

#A71D1E #63A71D #1DA7A6 #611DA7

split-complementary

#A71D1E #1DA761 #1D63A7

monochromatic

#3F0B0B #731415 #A71D1E #DA2829 #E35C5D

Accessibility & contrast

On white

7.40

#A71D1E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.84

#A71D1E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A71D1E

7.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A71D1E	#FFFFFF	#000000	##FFFFFF
##A71D1E	1.00	7.40	2.84	7.40
#FFFFFF	7.40	1.00	21.00	1.00
#000000	2.84	21.00	1.00	21.00
##FFFFFF	7.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A421C

Deuteranopia (green-blind)

#6C6017

Tritanopia (blue-blind)

#B80020

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #a71d1e;
/* rgb */ color: rgb(167, 29, 30);
/* oklch */ color: oklch(47.2% 0.173 26.8);

Tailwind

colors: {
  custom: {
    50: '#cb685b',
    500: '#a71d1e',
    950: '#000000',
  },
}

SCSS

$custom: #a71d1e;
$custom-light: #cb685b;
$custom-dark: #000000;

JSON

{
  "hex": "#a71d1e",
  "rgb": {
    "r": 167,
    "g": 29,
    "b": 30
  },
  "hsl": {
    "h": 359.565,
    "s": 70.408,
    "l": 38.431
  },
  "oklch": {
    "l": 0.47214,
    "c": 0.17305,
    "h": 26.8
  },
  "luminance": 0.09188
}

Semantic roles & 50–950 ramp

primary

#A71D1E

secondary

#59C7C6

accent

#EDEC3B

background

#FDF6F5

surface

#FBEBE9

border

#D4C6C5

text

#150704

muted

#837A79

Preview Lab

Preview with #A71D1E

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

Preview Lab → · Contrast checker → · Palette generator →