#420C11#420C11

#420C11 is a dark, moderate red. Relative luminance 0.015; OKLCH L 25.5% C 0.082 H 20.3°. Best body text is #FFFFFF at 16.25:1 contrast (WCAG AA passes).

Color values

HEX	#420C11
RGB	rgb(66, 12, 17)
HSL	hsl(354, 69%, 15%)
HSV	hsv(354, 82%, 26%)
CMYK	cmyk(0%, 81.8%, 74.2%, 74.1%)
CIE-LAB	lab(12.36, 26.03, 11.57)
CIE-LCH	lch(12.36, 28.49, 23.95°)
OKLab	oklab(25.46% 0.077 0.0285)
OKLCH	oklch(25.46% 0.082 20.3)
XYZ	xyz(2.4797, 1.4620, 0.6818)
Luminance	0.0146 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#420C11 #0C423D

analogous

#420C2C #420C11 #42220C

triadic

#420C11 #11420C #0C1142

tetradic

#420C11 #2C420C #0C423D #220C42

square

#420C11 #2C420C #0C423D #220C42

split-complementary

#420C11 #0C4222 #0C2C42

monochromatic

#1A0507 #1A0507 #420C11 #76151E #AA1F2C

Accessibility & contrast

On white

16.25

#420C11 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#420C11 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #420C11

16.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##420C11	#FFFFFF	#000000	##FFFFFF
##420C11	1.00	16.25	1.29	16.25
#FFFFFF	16.25	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B1911

Deuteranopia (green-blind)

#29240F

Tritanopia (blue-blind)

#49000E

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #420c11;
/* rgb */ color: rgb(66, 12, 17);
/* oklch */ color: oklch(25.5% 0.082 20.3);

Tailwind

colors: {
  custom: {
    50: '#7b504f',
    500: '#420c11',
    950: '#000000',
  },
}

SCSS

$custom: #420c11;
$custom-light: #7b504f;
$custom-dark: #000000;

JSON

{
  "hex": "#420c11",
  "rgb": {
    "r": 66,
    "g": 12,
    "b": 17
  },
  "hsl": {
    "h": 354.444,
    "s": 69.231,
    "l": 15.294
  },
  "oklch": {
    "l": 0.25463,
    "c": 0.08209,
    "h": 20.3
  },
  "luminance": 0.01462
}

Semantic roles & 50–950 ramp

primary

#420C11

secondary

#2C7E76

accent

#ECDC3C

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0201

muted

#7C7877

Preview Lab

Preview with #420C11

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

Preview Lab → · Contrast checker → · Palette generator →