#421B16#421B16

#421B16 is a dark, moderate red. Relative luminance 0.020; OKLCH L 27.8% C 0.062 H 29.1°. Best body text is #FFFFFF at 15.00:1 contrast (WCAG AA passes).

Color values

HEX	#421B16
RGB	rgb(66, 27, 22)
HSL	hsl(7, 50%, 17%)
HSV	hsv(7, 67%, 26%)
CMYK	cmyk(0%, 59.1%, 66.7%, 74.1%)
CIE-LAB	lab(15.49, 18.39, 12.43)
CIE-LCH	lch(15.49, 22.20, 34.05°)
OKLab	oklab(27.85% 0.054 0.03)
OKLCH	oklch(27.85% 0.062 29.1)
XYZ	xyz(2.7837, 2.0004, 0.9984)
Luminance	0.0200 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#421B16 #163D42

analogous

#421627 #421B16 #423116

triadic

#421B16 #16421B #1B1642

tetradic

#421B16 #274216 #163D42 #311642

square

#421B16 #274216 #163D42 #311642

split-complementary

#421B16 #164231 #162742

monochromatic

#170908 #170908 #421B16 #702E25 #9E4135

Accessibility & contrast

On white

15.00

#421B16 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#421B16 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421B16

15.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##421B16	#FFFFFF	#000000	##FFFFFF
##421B16	1.00	15.00	1.40	15.00
#FFFFFF	15.00	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	15.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#252215

Deuteranopia (green-blind)

#2E2A15

Tritanopia (blue-blind)

#49141A

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #421b16;
/* rgb */ color: rgb(66, 27, 22);
/* oklch */ color: oklch(27.8% 0.062 29.1);

Tailwind

colors: {
  custom: {
    50: '#7a5853',
    500: '#421b16',
    950: '#000000',
  },
}

SCSS

$custom: #421b16;
$custom-light: #7a5853;
$custom-dark: #000000;

JSON

{
  "hex": "#421b16",
  "rgb": {
    "r": 66,
    "g": 27,
    "b": 22
  },
  "hsl": {
    "h": 6.818,
    "s": 50,
    "l": 17.255
  },
  "oklch": {
    "l": 0.27846,
    "c": 0.06179,
    "h": 29.1
  },
  "luminance": 0.02
}

Semantic roles & 50–950 ramp

primary

#421B16

secondary

#3A7279

accent

#CADA4E

background

#F7F5F4

surface

#EEE9E7

border

#C9C5C3

text

#090302

muted

#7B7878

Preview Lab

Preview with #421B16

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

Preview Lab → · Contrast checker → · Palette generator →