#420C09#420C09

#420C09 is a dark, moderate red. Relative luminance 0.014; OKLCH L 25.3% C 0.083 H 27.9°. Best body text is #FFFFFF at 16.30:1 contrast (WCAG AA passes).

Color values

HEX	#420C09
RGB	rgb(66, 12, 9)
HSL	hsl(3, 76%, 15%)
HSV	hsv(3, 86%, 26%)
CMYK	cmyk(0%, 81.8%, 86.4%, 74.1%)
CIE-LAB	lab(12.23, 25.57, 15.24)
CIE-LCH	lch(12.23, 29.77, 30.79°)
OKLab	oklab(25.32% 0.0735 0.0389)
OKLCH	oklch(25.32% 0.083 27.9)
XYZ	xyz(2.4278, 1.4413, 0.4088)
Luminance	0.0144 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#420C09 #093F42

analogous

#420923 #420C09 #422909

triadic

#420C09 #09420C #0C0942

tetradic

#420C09 #234209 #093F42 #290942

square

#420C09 #234209 #093F42 #290942

split-complementary

#420C09 #094229 #092342

monochromatic

#1B0504 #1B0504 #420C09 #781610 #AE2018

Accessibility & contrast

On white

16.30

#420C09 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#420C09 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #420C09

16.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##420C09	#FFFFFF	#000000	##FFFFFF
##420C09	1.00	16.30	1.29	16.30
#FFFFFF	16.30	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C1808

Deuteranopia (green-blind)

#292407

Tritanopia (blue-blind)

#4A000C

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #420c09;
/* rgb */ color: rgb(66, 12, 9);
/* oklch */ color: oklch(25.3% 0.083 27.9);

Tailwind

colors: {
  custom: {
    50: '#7c4f4a',
    500: '#420c09',
    950: '#000000',
  },
}

SCSS

$custom: #420c09;
$custom-light: #7c4f4a;
$custom-dark: #000000;

JSON

{
  "hex": "#420c09",
  "rgb": {
    "r": 66,
    "g": 12,
    "b": 9
  },
  "hsl": {
    "h": 3.158,
    "s": 76,
    "l": 14.706
  },
  "oklch": {
    "l": 0.25319,
    "c": 0.08315,
    "h": 27.9
  },
  "luminance": 0.01441
}

Semantic roles & 50–950 ramp

primary

#420C09

secondary

#277B80

accent

#E9F335

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0201

muted

#7C7877

Preview Lab

Preview with #420C09

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

Preview Lab → · Contrast checker → · Palette generator →