#A6271D#A6271D

#A6271D is a mid, vivid red. Relative luminance 0.096; OKLCH L 47.8% C 0.165 H 29.2°. Best body text is #FFFFFF at 7.17:1 contrast (WCAG AA passes).

Color values

HEX	#A6271D
RGB	rgb(166, 39, 29)
HSL	hsl(4, 70%, 38%)
HSV	hsv(4, 83%, 65%)
CMYK	cmyk(0%, 76.5%, 82.5%, 34.9%)
CIE-LAB	lab(37.21, 50.57, 37.70)
CIE-LCH	lch(37.21, 63.08, 36.71°)
OKLab	oklab(47.81% 0.144 0.0806)
OKLCH	oklch(47.81% 0.165 29.2)
XYZ	xyz(16.6752, 9.6494, 2.1467)
Luminance	0.0965 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A6271D #1D9CA6

analogous

#A61D57 #A6271D #A66C1D

triadic

#A6271D #1DA627 #271DA6

tetradic

#A6271D #57A61D #1D9CA6 #6C1DA6

square

#A6271D #57A61D #1D9CA6 #6C1DA6

split-complementary

#A6271D #1DA66C #1D57A6

monochromatic

#3E0F0B #721B14 #A6271D #D93427 #E2655B

Accessibility & contrast

On white

7.17

#A6271D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.93

#A6271D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A6271D

7.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A6271D	#FFFFFF	#000000	##FFFFFF
##A6271D	1.00	7.17	2.93	7.17
#FFFFFF	7.17	1.00	21.00	1.00
#000000	2.93	21.00	1.00	21.00
##FFFFFF	7.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E461A

Deuteranopia (green-blind)

#6E6216

Tritanopia (blue-blind)

#B70026

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #a6271d;
/* rgb */ color: rgb(166, 39, 29);
/* oklch */ color: oklch(47.8% 0.165 29.2);

Tailwind

colors: {
  custom: {
    50: '#ca6c5a',
    500: '#a6271d',
    950: '#000000',
  },
}

SCSS

$custom: #a6271d;
$custom-light: #ca6c5a;
$custom-dark: #000000;

JSON

{
  "hex": "#a6271d",
  "rgb": {
    "r": 166,
    "g": 39,
    "b": 29
  },
  "hsl": {
    "h": 4.38,
    "s": 70.256,
    "l": 38.235
  },
  "oklch": {
    "l": 0.47812,
    "c": 0.16495,
    "h": 29.2
  },
  "luminance": 0.09647
}

Semantic roles & 50–950 ramp

primary

#A6271D

secondary

#59BEC6

accent

#E0ED3B

background

#FDF6F5

surface

#FBECE9

border

#D4C7C5

text

#150704

muted

#837A79

Preview Lab

Preview with #A6271D

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

Preview Lab → · Contrast checker → · Palette generator →