#420F0C#420F0C

#420F0C is a dark, moderate red. Relative luminance 0.015; OKLCH L 25.7% C 0.079 H 27.5°. Best body text is #FFFFFF at 16.09:1 contrast (WCAG AA passes).

Color values

HEX	#420F0C
RGB	rgb(66, 15, 12)
HSL	hsl(3, 69%, 15%)
HSV	hsv(3, 82%, 26%)
CMYK	cmyk(0%, 77.3%, 81.8%, 74.1%)
CIE-LAB	lab(12.78, 24.34, 14.71)
CIE-LCH	lch(12.78, 28.44, 31.15°)
OKLab	oklab(25.74% 0.0704 0.0366)
OKLCH	oklch(25.74% 0.079 27.5)
XYZ	xyz(2.4842, 1.5268, 0.5116)
Luminance	0.0153 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#420F0C #0C3F42

analogous

#420C24 #420F0C #422A0C

triadic

#420F0C #0C420F #0F0C42

tetradic

#420F0C #24420C #0C3F42 #2A0C42

square

#420F0C #24420C #0C3F42 #2A0C42

split-complementary

#420F0C #0C422A #0C2442

monochromatic

#1A0605 #1A0605 #420F0C #761B15 #AA271F

Accessibility & contrast

On white

16.09

#420F0C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#420F0C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #420F0C

16.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##420F0C	#FFFFFF	#000000	##FFFFFF
##420F0C	1.00	16.09	1.31	16.09
#FFFFFF	16.09	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	16.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D1A0B

Deuteranopia (green-blind)

#2A250A

Tritanopia (blue-blind)

#49020F

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #420f0c;
/* rgb */ color: rgb(66, 15, 12);
/* oklch */ color: oklch(25.7% 0.079 27.5);

Tailwind

colors: {
  custom: {
    50: '#7b514c',
    500: '#420f0c',
    950: '#000000',
  },
}

SCSS

$custom: #420f0c;
$custom-light: #7b514c;
$custom-dark: #000000;

JSON

{
  "hex": "#420f0c",
  "rgb": {
    "r": 66,
    "g": 15,
    "b": 12
  },
  "hsl": {
    "h": 3.333,
    "s": 69.231,
    "l": 15.294
  },
  "oklch": {
    "l": 0.25743,
    "c": 0.07931,
    "h": 27.5
  },
  "luminance": 0.01526
}

Semantic roles & 50–950 ramp

primary

#420F0C

secondary

#2C797E

accent

#E2EC3C

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0201

muted

#7C7877

Preview Lab

Preview with #420F0C

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

Preview Lab → · Contrast checker → · Palette generator →