#A71D1D#A71D1D

#A71D1D is a mid, vivid red. Relative luminance 0.092; OKLCH L 47.2% C 0.173 H 27.0°. Best body text is #FFFFFF at 7.40:1 contrast (WCAG AA passes).

Color values

HEX	#A71D1D
RGB	rgb(167, 29, 29)
HSL	hsl(0, 70%, 38%)
HSV	hsv(0, 83%, 65%)
CMYK	cmyk(0%, 82.6%, 82.6%, 34.5%)
CIE-LAB	lab(36.34, 53.88, 36.94)
CIE-LCH	lch(36.34, 65.33, 34.43°)
OKLab	oklab(47.2% 0.1542 0.0787)
OKLCH	oklch(47.2% 0.173 27)
XYZ	xyz(16.5996, 9.1857, 2.0612)
Luminance	0.0918 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A71D1D #1DA7A7

analogous

#A71D62 #A71D1D #A7621D

triadic

#A71D1D #1DA71D #1D1DA7

tetradic

#A71D1D #62A71D #1DA7A7 #621DA7

square

#A71D1D #62A71D #1DA7A7 #621DA7

split-complementary

#A71D1D #1DA762 #1D62A7

monochromatic

#3F0B0B #731414 #A71D1D #DA2828 #E35C5C

Accessibility & contrast

On white

7.40

#A71D1D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.84

#A71D1D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A71D1D

7.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A71D1D	#FFFFFF	#000000	##FFFFFF
##A71D1D	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)

#4A421B

Deuteranopia (green-blind)

#6C6016

Tritanopia (blue-blind)

#B8001F

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #a71d1d;
/* rgb */ color: rgb(167, 29, 29);
/* oklch */ color: oklch(47.2% 0.173 27.0);

Tailwind

colors: {
  custom: {
    50: '#cb685a',
    500: '#a71d1d',
    950: '#000000',
  },
}

SCSS

$custom: #a71d1d;
$custom-light: #cb685a;
$custom-dark: #000000;

JSON

{
  "hex": "#a71d1d",
  "rgb": {
    "r": 167,
    "g": 29,
    "b": 29
  },
  "hsl": {
    "h": 0,
    "s": 70.408,
    "l": 38.431
  },
  "oklch": {
    "l": 0.47204,
    "c": 0.17316,
    "h": 27
  },
  "luminance": 0.09183
}

Semantic roles & 50–950 ramp

primary

#A71D1D

secondary

#59C7C7

accent

#EDED3B

background

#FDF6F5

surface

#FBEBE9

border

#D4C6C5

text

#150704

muted

#837A79

Preview Lab

Preview with #A71D1D

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

Preview Lab → · Contrast checker → · Palette generator →