#A6221D#A6221D

#A6221D is a mid, vivid red. Relative luminance 0.093; OKLCH L 47.4% C 0.169 H 28.0°. Best body text is #FFFFFF at 7.32:1 contrast (WCAG AA passes).

Color values

HEX	#A6221D
RGB	rgb(166, 34, 29)
HSL	hsl(2, 70%, 38%)
HSV	hsv(2, 83%, 65%)
CMYK	cmyk(0%, 79.5%, 82.5%, 34.9%)
CIE-LAB	lab(36.64, 52.17, 37.15)
CIE-LCH	lch(36.64, 64.05, 35.46°)
OKLab	oklab(47.39% 0.149 0.0793)
OKLCH	oklch(47.39% 0.169 28)
XYZ	xyz(16.5217, 9.3424, 2.0955)
Luminance	0.0934 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A6221D #1DA1A6

analogous

#A61D5C #A6221D #A6661D

triadic

#A6221D #1DA622 #221DA6

tetradic

#A6221D #5CA61D #1DA1A6 #661DA6

square

#A6221D #5CA61D #1DA1A6 #661DA6

split-complementary

#A6221D #1DA666 #1D5CA6

monochromatic

#3E0D0B #721714 #A6221D #D92D27 #E2605B

Accessibility & contrast

On white

7.32

#A6221D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.87

#A6221D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A6221D

7.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A6221D	#FFFFFF	#000000	##FFFFFF
##A6221D	1.00	7.32	2.87	7.32
#FFFFFF	7.32	1.00	21.00	1.00
#000000	2.87	21.00	1.00	21.00
##FFFFFF	7.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C441B

Deuteranopia (green-blind)

#6C6016

Tritanopia (blue-blind)

#B70023

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #a6221d;
/* rgb */ color: rgb(166, 34, 29);
/* oklch */ color: oklch(47.4% 0.169 28.0);

Tailwind

colors: {
  custom: {
    50: '#ca6a5a',
    500: '#a6221d',
    950: '#000000',
  },
}

SCSS

$custom: #a6221d;
$custom-light: #ca6a5a;
$custom-dark: #000000;

JSON

{
  "hex": "#a6221d",
  "rgb": {
    "r": 166,
    "g": 34,
    "b": 29
  },
  "hsl": {
    "h": 2.19,
    "s": 70.256,
    "l": 38.235
  },
  "oklch": {
    "l": 0.47387,
    "c": 0.16876,
    "h": 28
  },
  "luminance": 0.0934
}

Semantic roles & 50–950 ramp

primary

#A6221D

secondary

#59C2C6

accent

#E7ED3B

background

#FDF6F5

surface

#FBECE9

border

#D4C7C5

text

#150704

muted

#837A79

Preview Lab

Preview with #A6221D

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

Preview Lab → · Contrast checker → · Palette generator →