#A61D1F#A61D1F

#A61D1F is a mid, vivid red. Relative luminance 0.091; OKLCH L 47.0% C 0.172 H 26.4°. Best body text is #FFFFFF at 7.45:1 contrast (WCAG AA passes).

Color values

HEX	#A61D1F
RGB	rgb(166, 29, 31)
HSL	hsl(359, 70%, 38%)
HSV	hsv(359, 83%, 65%)
CMYK	cmyk(0%, 82.5%, 81.3%, 34.9%)
CIE-LAB	lab(36.15, 53.65, 35.56)
CIE-LCH	lch(36.15, 64.36, 33.54°)
OKLab	oklab(47.04% 0.154 0.0766)
OKLCH	oklch(47.04% 0.172 26.4)
XYZ	xyz(16.4146, 9.0873, 2.1858)
Luminance	0.0909 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A61D1F #1DA6A4

analogous

#A61D63 #A61D1F #A65F1D

triadic

#A61D1F #1FA61D #1D1FA6

tetradic

#A61D1F #63A61D #1DA6A4 #5F1DA6

square

#A61D1F #63A61D #1DA6A4 #5F1DA6

split-complementary

#A61D1F #1DA65F #1D63A6

monochromatic

#3E0B0C #721415 #A61D1F #D9272A #E25B5D

Accessibility & contrast

On white

7.45

#A61D1F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.82

#A61D1F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A61D1F

7.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A61D1F	#FFFFFF	#000000	##FFFFFF
##A61D1F	1.00	7.45	2.82	7.45
#FFFFFF	7.45	1.00	21.00	1.00
#000000	2.82	21.00	1.00	21.00
##FFFFFF	7.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A421D

Deuteranopia (green-blind)

#6B6018

Tritanopia (blue-blind)

#B70020

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #a61d1f;
/* rgb */ color: rgb(166, 29, 31);
/* oklch */ color: oklch(47.0% 0.172 26.4);

Tailwind

colors: {
  custom: {
    50: '#ca685b',
    500: '#a61d1f',
    950: '#000000',
  },
}

SCSS

$custom: #a61d1f;
$custom-light: #ca685b;
$custom-dark: #000000;

JSON

{
  "hex": "#a61d1f",
  "rgb": {
    "r": 166,
    "g": 29,
    "b": 31
  },
  "hsl": {
    "h": 359.124,
    "s": 70.256,
    "l": 38.235
  },
  "oklch": {
    "l": 0.47035,
    "c": 0.17199,
    "h": 26.4
  },
  "luminance": 0.09085
}

Semantic roles & 50–950 ramp

primary

#A61D1F

secondary

#59C6C5

accent

#EDEA3B

background

#FDF6F5

surface

#FBEBE9

border

#D4C6C5

text

#150704

muted

#837A79

Preview Lab

Preview with #A61D1F

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

Preview Lab → · Contrast checker → · Palette generator →