#421B11#421B11

#421B11 is a dark, moderate red. Relative luminance 0.020; OKLCH L 27.7% C 0.063 H 35.5°. Best body text is #FFFFFF at 15.04:1 contrast (WCAG AA passes).

Color values

HEX	#421B11
RGB	rgb(66, 27, 17)
HSL	hsl(12, 59%, 16%)
HSV	hsv(12, 74%, 26%)
CMYK	cmyk(0%, 59.1%, 74.2%, 74.1%)
CIE-LAB	lab(15.40, 17.98, 15.55)
CIE-LCH	lch(15.40, 23.77, 40.86°)
OKLab	oklab(27.75% 0.0517 0.0368)
OKLCH	oklch(27.75% 0.063 35.5)
XYZ	xyz(2.7401, 1.9829, 0.7686)
Luminance	0.0198 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#421B11 #113842

analogous

#421120 #421B11 #423411

triadic

#421B11 #11421B #1B1142

tetradic

#421B11 #204211 #113842 #341142

square

#421B11 #204211 #113842 #341142

split-complementary

#421B11 #114234 #112042

monochromatic

#180A06 #180A06 #421B11 #732F1E #A3432A

Accessibility & contrast

On white

15.04

#421B11 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#421B11 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421B11

15.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##421B11	#FFFFFF	#000000	##FFFFFF
##421B11	1.00	15.04	1.40	15.04
#FFFFFF	15.04	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	15.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#252110

Deuteranopia (green-blind)

#2F2A10

Tritanopia (blue-blind)

#491419

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #421b11;
/* rgb */ color: rgb(66, 27, 17);
/* oklch */ color: oklch(27.7% 0.063 35.5);

Tailwind

colors: {
  custom: {
    50: '#7a584f',
    500: '#421b11',
    950: '#000000',
  },
}

SCSS

$custom: #421b11;
$custom-light: #7a584f;
$custom-dark: #000000;

JSON

{
  "hex": "#421b11",
  "rgb": {
    "r": 66,
    "g": 27,
    "b": 17
  },
  "hsl": {
    "h": 12.245,
    "s": 59.036,
    "l": 16.275
  },
  "oklch": {
    "l": 0.27746,
    "c": 0.06347,
    "h": 35.5
  },
  "luminance": 0.01983
}

Semantic roles & 50–950 ramp

primary

#421B11

secondary

#336D7C

accent

#C2E246

background

#F7F5F4

surface

#EEE9E7

border

#C9C5C3

text

#0A0302

muted

#7C7878

Preview Lab

Preview with #421B11

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

Preview Lab → · Contrast checker → · Palette generator →