#420C0F#420C0F

#420C0F is a dark, moderate red. Relative luminance 0.015; OKLCH L 25.4% C 0.082 H 22.4°. Best body text is #FFFFFF at 16.26:1 contrast (WCAG AA passes).

Color values

HEX	#420C0F
RGB	rgb(66, 12, 15)
HSL	hsl(357, 69%, 15%)
HSV	hsv(357, 82%, 26%)
CMYK	cmyk(0%, 81.8%, 77.3%, 74.1%)
CIE-LAB	lab(12.33, 25.90, 12.63)
CIE-LCH	lch(12.33, 28.81, 25.99°)
OKLab	oklab(25.42% 0.0761 0.0314)
OKLCH	oklch(25.42% 0.082 22.4)
XYZ	xyz(2.4647, 1.4561, 0.6031)
Luminance	0.0146 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#420C0F #0C423F

analogous

#420C2A #420C0F #42240C

triadic

#420C0F #0F420C #0C0F42

tetradic

#420C0F #2A420C #0C423F #240C42

square

#420C0F #2A420C #0C423F #240C42

split-complementary

#420C0F #0C4224 #0C2A42

monochromatic

#1A0506 #1A0506 #420C0F #76151B #AA1F27

Accessibility & contrast

On white

16.26

#420C0F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#420C0F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #420C0F

16.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##420C0F	#FFFFFF	#000000	##FFFFFF
##420C0F	1.00	16.26	1.29	16.26
#FFFFFF	16.26	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B190F

Deuteranopia (green-blind)

#29240D

Tritanopia (blue-blind)

#49000E

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #420c0f;
/* rgb */ color: rgb(66, 12, 15);
/* oklch */ color: oklch(25.4% 0.082 22.4);

Tailwind

colors: {
  custom: {
    50: '#7b504d',
    500: '#420c0f',
    950: '#000000',
  },
}

SCSS

$custom: #420c0f;
$custom-light: #7b504d;
$custom-dark: #000000;

JSON

{
  "hex": "#420c0f",
  "rgb": {
    "r": 66,
    "g": 12,
    "b": 15
  },
  "hsl": {
    "h": 356.667,
    "s": 69.231,
    "l": 15.294
  },
  "oklch": {
    "l": 0.25422,
    "c": 0.08227,
    "h": 22.4
  },
  "luminance": 0.01456
}

Semantic roles & 50–950 ramp

primary

#420C0F

secondary

#2C7E79

accent

#ECE23C

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0201

muted

#7C7877

Preview Lab

Preview with #420C0F

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

Preview Lab → · Contrast checker → · Palette generator →