#A71F1D#A71F1D

#A71F1D is a mid, vivid red. Relative luminance 0.093; OKLCH L 47.3% C 0.172 H 27.4°. Best body text is #FFFFFF at 7.35:1 contrast (WCAG AA passes).

Color values

HEX	#A71F1D
RGB	rgb(167, 31, 29)
HSL	hsl(1, 70%, 38%)
HSV	hsv(1, 83%, 65%)
CMYK	cmyk(0%, 81.4%, 82.6%, 34.5%)
CIE-LAB	lab(36.53, 53.34, 37.12)
CIE-LCH	lch(36.53, 64.99, 34.84°)
OKLab	oklab(47.35% 0.1525 0.0792)
OKLCH	oklch(47.35% 0.172 27.4)
XYZ	xyz(16.6502, 9.2869, 2.0780)
Luminance	0.0928 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A71F1D #1DA5A7

analogous

#A71D60 #A71F1D #A7641D

triadic

#A71F1D #1DA71F #1F1DA7

tetradic

#A71F1D #60A71D #1DA5A7 #641DA7

square

#A71F1D #60A71D #1DA5A7 #641DA7

split-complementary

#A71F1D #1DA764 #1D60A7

monochromatic

#3F0C0B #731514 #A71F1D #DA2A28 #E35E5C

Accessibility & contrast

On white

7.35

#A71F1D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.86

#A71F1D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A71F1D

7.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A71F1D	#FFFFFF	#000000	##FFFFFF
##A71F1D	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)

#4B431B

Deuteranopia (green-blind)

#6C6016

Tritanopia (blue-blind)

#B80021

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #a71f1d;
/* rgb */ color: rgb(167, 31, 29);
/* oklch */ color: oklch(47.3% 0.172 27.4);

Tailwind

colors: {
  custom: {
    50: '#cb695a',
    500: '#a71f1d',
    950: '#000000',
  },
}

SCSS

$custom: #a71f1d;
$custom-light: #cb695a;
$custom-dark: #000000;

JSON

{
  "hex": "#a71f1d",
  "rgb": {
    "r": 167,
    "g": 31,
    "b": 29
  },
  "hsl": {
    "h": 0.87,
    "s": 70.408,
    "l": 38.431
  },
  "oklch": {
    "l": 0.47346,
    "c": 0.17183,
    "h": 27.4
  },
  "luminance": 0.09284
}

Semantic roles & 50–950 ramp

primary

#A71F1D

secondary

#59C5C7

accent

#EBED3B

background

#FDF6F5

surface

#FBECE9

border

#D4C7C5

text

#150704

muted

#837A79

Preview Lab

Preview with #A71F1D

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

Preview Lab → · Contrast checker → · Palette generator →