#421C16#421C16

#421C16 is a dark, moderate red. Relative luminance 0.020; OKLCH L 28.0% C 0.060 H 30.5°. Best body text is #FFFFFF at 14.90:1 contrast (WCAG AA passes).

Color values

HEX	#421C16
RGB	rgb(66, 28, 22)
HSL	hsl(8, 50%, 17%)
HSV	hsv(8, 67%, 26%)
CMYK	cmyk(0%, 57.6%, 66.7%, 74.1%)
CIE-LAB	lab(15.73, 17.78, 12.74)
CIE-LCH	lch(15.73, 21.87, 35.63°)
OKLab	oklab(28.03% 0.0521 0.0307)
OKLCH	oklch(28.03% 0.06 30.5)
XYZ	xyz(2.8071, 2.0470, 1.0062)
Luminance	0.0205 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#421C16 #163C42

analogous

#421626 #421C16 #423216

triadic

#421C16 #16421C #1C1642

tetradic

#421C16 #264216 #163C42 #321642

square

#421C16 #264216 #163C42 #321642

split-complementary

#421C16 #164232 #162642

monochromatic

#170A08 #170A08 #421C16 #702F25 #9E4335

Accessibility & contrast

On white

14.90

#421C16 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#421C16 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421C16

14.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##421C16	#FFFFFF	#000000	##FFFFFF
##421C16	1.00	14.90	1.41	14.90
#FFFFFF	14.90	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#252215

Deuteranopia (green-blind)

#2F2A15

Tritanopia (blue-blind)

#49151B

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #421c16;
/* rgb */ color: rgb(66, 28, 22);
/* oklch */ color: oklch(28.0% 0.060 30.5);

Tailwind

colors: {
  custom: {
    50: '#7a5953',
    500: '#421c16',
    950: '#000000',
  },
}

SCSS

$custom: #421c16;
$custom-light: #7a5953;
$custom-dark: #000000;

JSON

{
  "hex": "#421c16",
  "rgb": {
    "r": 66,
    "g": 28,
    "b": 22
  },
  "hsl": {
    "h": 8.182,
    "s": 50,
    "l": 17.255
  },
  "oklch": {
    "l": 0.2803,
    "c": 0.06048,
    "h": 30.5
  },
  "luminance": 0.02047
}

Semantic roles & 50–950 ramp

primary

#421C16

secondary

#3A7179

accent

#C7DA4E

background

#F7F5F4

surface

#EEE9E7

border

#C9C5C3

text

#090302

muted

#7B7878

Preview Lab

Preview with #421C16

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

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