#420C0D#420C0D

#420C0D is a dark, moderate red. Relative luminance 0.015; OKLCH L 25.4% C 0.083 H 24.4°. Best body text is #FFFFFF at 16.28:1 contrast (WCAG AA passes).

Color values

HEX	#420C0D
RGB	rgb(66, 12, 13)
HSL	hsl(359, 69%, 15%)
HSV	hsv(359, 82%, 26%)
CMYK	cmyk(0%, 81.8%, 80.3%, 74.1%)
CIE-LAB	lab(12.29, 25.78, 13.59)
CIE-LCH	lch(12.29, 29.14, 27.79°)
OKLab	oklab(25.38% 0.0752 0.0341)
OKLCH	oklch(25.38% 0.083 24.4)
XYZ	xyz(2.4512, 1.4506, 0.5316)
Luminance	0.0145 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#420C0D #0C4241

analogous

#420C28 #420C0D #42260C

triadic

#420C0D #0D420C #0C0D42

tetradic

#420C0D #28420C #0C4241 #260C42

square

#420C0D #28420C #0C4241 #260C42

split-complementary

#420C0D #0C4226 #0C2842

monochromatic

#1A0505 #1A0505 #420C0D #761517 #AA1F21

Accessibility & contrast

On white

16.28

#420C0D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#420C0D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #420C0D

16.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##420C0D	#FFFFFF	#000000	##FFFFFF
##420C0D	1.00	16.28	1.29	16.28
#FFFFFF	16.28	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C190C

Deuteranopia (green-blind)

#29240B

Tritanopia (blue-blind)

#49000D

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #420c0d;
/* rgb */ color: rgb(66, 12, 13);
/* oklch */ color: oklch(25.4% 0.083 24.4);

Tailwind

colors: {
  custom: {
    50: '#7b4f4c',
    500: '#420c0d',
    950: '#000000',
  },
}

SCSS

$custom: #420c0d;
$custom-light: #7b4f4c;
$custom-dark: #000000;

JSON

{
  "hex": "#420c0d",
  "rgb": {
    "r": 66,
    "g": 12,
    "b": 13
  },
  "hsl": {
    "h": 358.889,
    "s": 69.231,
    "l": 15.294
  },
  "oklch": {
    "l": 0.25384,
    "c": 0.08252,
    "h": 24.4
  },
  "luminance": 0.0145
}

Semantic roles & 50–950 ramp

primary

#420C0D

secondary

#2C7E7D

accent

#ECE93C

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0201

muted

#7C7877

Preview Lab

Preview with #420C0D

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

Preview Lab → · Contrast checker → · Palette generator →