#A71D1F#A71D1F

#A71D1F is a mid, vivid red. Relative luminance 0.092; OKLCH L 47.2% C 0.173 H 26.5°. Best body text is #FFFFFF at 7.40:1 contrast (WCAG AA passes).

Color values

HEX	#A71D1F
RGB	rgb(167, 29, 31)
HSL	hsl(359, 70%, 38%)
HSV	hsv(359, 83%, 65%)
CMYK	cmyk(0%, 82.6%, 81.4%, 34.5%)
CIE-LAB	lab(36.36, 53.94, 35.84)
CIE-LCH	lch(36.36, 64.76, 33.60°)
OKLab	oklab(47.22% 0.1548 0.0771)
OKLCH	oklch(47.22% 0.173 26.5)
XYZ	xyz(16.6251, 9.1959, 2.1957)
Luminance	0.0919 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A71D1F #1DA7A5

analogous

#A71D64 #A71D1F #A7601D

triadic

#A71D1F #1FA71D #1D1FA7

tetradic

#A71D1F #64A71D #1DA7A5 #601DA7

square

#A71D1F #64A71D #1DA7A5 #601DA7

split-complementary

#A71D1F #1DA760 #1D64A7

monochromatic

#3F0B0C #731415 #A71D1F #DA282A #E35C5E

Accessibility & contrast

On white

7.40

#A71D1F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.84

#A71D1F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A71D1F

7.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A71D1F	#FFFFFF	#000000	##FFFFFF
##A71D1F	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)

#4A421D

Deuteranopia (green-blind)

#6C6018

Tritanopia (blue-blind)

#B80020

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #a71d1f;
/* rgb */ color: rgb(167, 29, 31);
/* oklch */ color: oklch(47.2% 0.173 26.5);

Tailwind

colors: {
  custom: {
    50: '#cb685b',
    500: '#a71d1f',
    950: '#000000',
  },
}

SCSS

$custom: #a71d1f;
$custom-light: #cb685b;
$custom-dark: #000000;

JSON

{
  "hex": "#a71d1f",
  "rgb": {
    "r": 167,
    "g": 29,
    "b": 31
  },
  "hsl": {
    "h": 359.13,
    "s": 70.408,
    "l": 38.431
  },
  "oklch": {
    "l": 0.47224,
    "c": 0.17294,
    "h": 26.5
  },
  "luminance": 0.09193
}

Semantic roles & 50–950 ramp

primary

#A71D1F

secondary

#59C7C5

accent

#EDEB3B

background

#FDF6F5

surface

#FBEBE9

border

#D4C6C5

text

#150704

muted

#837A79

Preview Lab

Preview with #A71D1F

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

Preview Lab → · Contrast checker → · Palette generator →