#A71F1E#A71F1E

#A71F1E is a mid, vivid red. Relative luminance 0.093; OKLCH L 47.4% C 0.172 H 27.1°. Best body text is #FFFFFF at 7.35:1 contrast (WCAG AA passes).

Color values

HEX	#A71F1E
RGB	rgb(167, 31, 30)
HSL	hsl(0, 70%, 39%)
HSV	hsv(0, 82%, 65%)
CMYK	cmyk(0%, 81.4%, 82%, 34.5%)
CIE-LAB	lab(36.54, 53.37, 36.58)
CIE-LCH	lch(36.54, 64.70, 34.43°)
OKLab	oklab(47.36% 0.1528 0.0783)
OKLCH	oklch(47.36% 0.172 27.1)
XYZ	xyz(16.6627, 9.2919, 2.1442)
Luminance	0.0929 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A71F1E #1EA6A7

analogous

#A71E61 #A71F1E #A7631E

triadic

#A71F1E #1EA71F #1F1EA7

tetradic

#A71F1E #61A71E #1EA6A7 #631EA7

square

#A71F1E #61A71E #1EA6A7 #631EA7

split-complementary

#A71F1E #1EA763 #1E61A7

monochromatic

#3F0C0B #731515 #A71F1E #D92B2A #E25E5D

Accessibility & contrast

On white

7.35

#A71F1E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.86

#A71F1E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A71F1E

7.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A71F1E	#FFFFFF	#000000	##FFFFFF
##A71F1E	1.00	7.35	2.86	7.35
#FFFFFF	7.35	1.00	21.00	1.00
#000000	2.86	21.00	1.00	21.00
##FFFFFF	7.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B431C

Deuteranopia (green-blind)

#6C6017

Tritanopia (blue-blind)

#B80021

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #a71f1e;
/* rgb */ color: rgb(167, 31, 30);
/* oklch */ color: oklch(47.4% 0.172 27.1);

Tailwind

colors: {
  custom: {
    50: '#cb695b',
    500: '#a71f1e',
    950: '#000000',
  },
}

SCSS

$custom: #a71f1e;
$custom-light: #cb695b;
$custom-dark: #000000;

JSON

{
  "hex": "#a71f1e",
  "rgb": {
    "r": 167,
    "g": 31,
    "b": 30
  },
  "hsl": {
    "h": 0.438,
    "s": 69.543,
    "l": 38.627
  },
  "oklch": {
    "l": 0.47356,
    "c": 0.17173,
    "h": 27.1
  },
  "luminance": 0.09289
}

Semantic roles & 50–950 ramp

primary

#A71F1E

secondary

#5BC5C6

accent

#EBEC3B

background

#FDF6F5

surface

#FBECE9

border

#D4C7C5

text

#150704

muted

#837A79

Preview Lab

Preview with #A71F1E

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

Preview Lab → · Contrast checker → · Palette generator →