#420F10#420F10

#420F10 is a dark, moderate red. Relative luminance 0.015; OKLCH L 25.8% C 0.079 H 23.5°. Best body text is #FFFFFF at 16.06:1 contrast (WCAG AA passes).

Color values

HEX	#420F10
RGB	rgb(66, 15, 16)
HSL	hsl(359, 63%, 16%)
HSV	hsv(359, 77%, 26%)
CMYK	cmyk(0%, 77.3%, 75.8%, 74.1%)
CIE-LAB	lab(12.85, 24.59, 12.78)
CIE-LCH	lch(12.85, 27.71, 27.47°)
OKLab	oklab(25.82% 0.0721 0.0314)
OKLCH	oklch(25.82% 0.079 23.5)
XYZ	xyz(2.5114, 1.5377, 0.6547)
Luminance	0.0154 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#420F10 #0F4241

analogous

#420F29 #420F10 #42270F

triadic

#420F10 #10420F #0F1042

tetradic

#420F10 #29420F #0F4241 #270F42

square

#420F10 #29420F #0F4241 #270F42

split-complementary

#420F10 #0F4227 #0F2942

monochromatic

#190606 #190606 #420F10 #741A1C #A62628

Accessibility & contrast

On white

16.06

#420F10 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#420F10 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #420F10

16.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##420F10	#FFFFFF	#000000	##FFFFFF
##420F10	1.00	16.06	1.31	16.06
#FFFFFF	16.06	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	16.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D1A10

Deuteranopia (green-blind)

#2A250E

Tritanopia (blue-blind)

#490310

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #420f10;
/* rgb */ color: rgb(66, 15, 16);
/* oklch */ color: oklch(25.8% 0.079 23.5);

Tailwind

colors: {
  custom: {
    50: '#7b514e',
    500: '#420f10',
    950: '#000000',
  },
}

SCSS

$custom: #420f10;
$custom-light: #7b514e;
$custom-dark: #000000;

JSON

{
  "hex": "#420f10",
  "rgb": {
    "r": 66,
    "g": 15,
    "b": 16
  },
  "hsl": {
    "h": 358.824,
    "s": 62.963,
    "l": 15.882
  },
  "oklch": {
    "l": 0.25816,
    "c": 0.07866,
    "h": 23.5
  },
  "luminance": 0.01537
}

Semantic roles & 50–950 ramp

primary

#420F10

secondary

#307C7B

accent

#E6E342

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0201

muted

#7C7877

Preview Lab

Preview with #420F10

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

Preview Lab → · Contrast checker → · Palette generator →