#A6271A#A6271A

#A6271A is a mid, vivid red. Relative luminance 0.096; OKLCH L 47.8% C 0.165 H 30.1°. Best body text is #FFFFFF at 7.18:1 contrast (WCAG AA passes).

Color values

HEX	#A6271A
RGB	rgb(166, 39, 26)
HSL	hsl(6, 73%, 38%)
HSV	hsv(6, 84%, 65%)
CMYK	cmyk(0%, 76.5%, 84.3%, 34.9%)
CIE-LAB	lab(37.18, 50.49, 39.27)
CIE-LCH	lch(37.18, 63.96, 37.87°)
OKLab	oklab(47.78% 0.1431 0.0828)
OKLCH	oklch(47.78% 0.165 30.1)
XYZ	xyz(16.6399, 9.6353, 1.9607)
Luminance	0.0963 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A6271A #1A99A6

analogous

#A61A53 #A6271A #A66D1A

triadic

#A6271A #1AA627 #271AA6

tetradic

#A6271A #53A61A #1A99A6 #6D1AA6

square

#A6271A #53A61A #1A99A6 #6D1AA6

split-complementary

#A6271A #1AA66D #1A53A6

monochromatic

#3C0E09 #711B12 #A6271A #DB3322 #E56356

Accessibility & contrast

On white

7.18

#A6271A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.93

#A6271A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A6271A

7.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A6271A	#FFFFFF	#000000	##FFFFFF
##A6271A	1.00	7.18	2.93	7.18
#FFFFFF	7.18	1.00	21.00	1.00
#000000	2.93	21.00	1.00	21.00
##FFFFFF	7.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F4617

Deuteranopia (green-blind)

#6E6213

Tritanopia (blue-blind)

#B70026

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #a6271a;
/* rgb */ color: rgb(166, 39, 26);
/* oklch */ color: oklch(47.8% 0.165 30.1);

Tailwind

colors: {
  custom: {
    50: '#ca6c59',
    500: '#a6271a',
    950: '#000000',
  },
}

SCSS

$custom: #a6271a;
$custom-light: #ca6c59;
$custom-dark: #000000;

JSON

{
  "hex": "#a6271a",
  "rgb": {
    "r": 166,
    "g": 39,
    "b": 26
  },
  "hsl": {
    "h": 5.571,
    "s": 72.917,
    "l": 37.647
  },
  "oklch": {
    "l": 0.47784,
    "c": 0.16536,
    "h": 30.1
  },
  "luminance": 0.09633
}

Semantic roles & 50–950 ramp

primary

#A6271A

secondary

#54BDC8

accent

#DFF038

background

#FDF6F5

surface

#FBECE9

border

#D4C7C5

text

#150703

muted

#837A78

Preview Lab

Preview with #A6271A

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

Preview Lab → · Contrast checker → · Palette generator →