#420C05#420C05

#420C05 is a dark, moderate red. Relative luminance 0.014; OKLCH L 25.3% C 0.084 H 31.5°. Best body text is #FFFFFF at 16.32:1 contrast (WCAG AA passes).

Color values

HEX	#420C05
RGB	rgb(66, 12, 5)
HSL	hsl(7, 86%, 14%)
HSV	hsv(7, 92%, 26%)
CMYK	cmyk(0%, 81.8%, 92.4%, 74.1%)
CIE-LAB	lab(12.17, 25.38, 16.79)
CIE-LCH	lch(12.17, 30.43, 33.49°)
OKLab	oklab(25.26% 0.0717 0.0439)
OKLCH	oklch(25.26% 0.084 31.5)
XYZ	xyz(2.4059, 1.4325, 0.2934)
Luminance	0.0143 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#420C05 #053B42

analogous

#42051D #420C05 #422B05

triadic

#420C05 #05420C #0C0542

tetradic

#420C05 #1D4205 #053B42 #2B0542

square

#420C05 #1D4205 #053B42 #2B0542

split-complementary

#420C05 #05422B #051D42

monochromatic

#1C0502 #1C0502 #420C05 #7B1609 #B4210E

Accessibility & contrast

On white

16.32

#420C05 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#420C05 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #420C05

16.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##420C05	#FFFFFF	#000000	##FFFFFF
##420C05	1.00	16.32	1.29	16.32
#FFFFFF	16.32	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C1804

Deuteranopia (green-blind)

#2A2403

Tritanopia (blue-blind)

#4A000B

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #420c05;
/* rgb */ color: rgb(66, 12, 5);
/* oklch */ color: oklch(25.3% 0.084 31.5);

Tailwind

colors: {
  custom: {
    50: '#7c4f48',
    500: '#420c05',
    950: '#000000',
  },
}

SCSS

$custom: #420c05;
$custom-light: #7c4f48;
$custom-dark: #000000;

JSON

{
  "hex": "#420c05",
  "rgb": {
    "r": 66,
    "g": 12,
    "b": 5
  },
  "hsl": {
    "h": 6.885,
    "s": 85.915,
    "l": 13.922
  },
  "oklch": {
    "l": 0.25258,
    "c": 0.08406,
    "h": 31.5
  },
  "luminance": 0.01432
}

Semantic roles & 50–950 ramp

primary

#420C05

secondary

#207782

accent

#E4FC2C

background

#F8F4F4

surface

#EFE7E6

border

#CAC3C2

text

#0A0200

muted

#7C7877

Preview Lab

Preview with #420C05

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

Preview Lab → · Contrast checker → · Palette generator →