#420D0C#420D0C

#420D0C is a dark, moderate red. Relative luminance 0.015; OKLCH L 25.5% C 0.082 H 26.0°. Best body text is #FFFFFF at 16.22:1 contrast (WCAG AA passes).

Color values

HEX	#420D0C
RGB	rgb(66, 13, 12)
HSL	hsl(1, 69%, 15%)
HSV	hsv(1, 82%, 26%)
CMYK	cmyk(0%, 80.3%, 81.8%, 74.1%)
CIE-LAB	lab(12.44, 25.28, 14.25)
CIE-LCH	lch(12.44, 29.02, 29.41°)
OKLab	oklab(25.49% 0.0733 0.0357)
OKLCH	oklch(25.49% 0.082 26)
XYZ	xyz(2.4573, 1.4730, 0.5027)
Luminance	0.0147 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#420D0C #0C4142

analogous

#420C26 #420D0C #42280C

triadic

#420D0C #0C420D #0D0C42

tetradic

#420D0C #26420C #0C4142 #280C42

square

#420D0C #26420C #0C4142 #280C42

split-complementary

#420D0C #0C4228 #0C2642

monochromatic

#1A0505 #1A0505 #420D0C #761715 #AA211F

Accessibility & contrast

On white

16.22

#420D0C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#420D0C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #420D0C

16.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##420D0C	#FFFFFF	#000000	##FFFFFF
##420D0C	1.00	16.22	1.29	16.22
#FFFFFF	16.22	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C190B

Deuteranopia (green-blind)

#29250A

Tritanopia (blue-blind)

#49000D

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #420d0c;
/* rgb */ color: rgb(66, 13, 12);
/* oklch */ color: oklch(25.5% 0.082 26.0);

Tailwind

colors: {
  custom: {
    50: '#7b504c',
    500: '#420d0c',
    950: '#000000',
  },
}

SCSS

$custom: #420d0c;
$custom-light: #7b504c;
$custom-dark: #000000;

JSON

{
  "hex": "#420d0c",
  "rgb": {
    "r": 66,
    "g": 13,
    "b": 12
  },
  "hsl": {
    "h": 1.111,
    "s": 69.231,
    "l": 15.294
  },
  "oklch": {
    "l": 0.25487,
    "c": 0.08157,
    "h": 26
  },
  "luminance": 0.01473
}

Semantic roles & 50–950 ramp

primary

#420D0C

secondary

#2C7D7E

accent

#E9EC3C

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0201

muted

#7C7877

Preview Lab

Preview with #420D0C

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

Preview Lab → · Contrast checker → · Palette generator →