#420A0E#420A0E

#420A0E is a dark, moderate red. Relative luminance 0.014; OKLCH L 25.2% C 0.085 H 22.2°. Best body text is #FFFFFF at 16.39:1 contrast (WCAG AA passes).

Color values

HEX	#420A0E
RGB	rgb(66, 10, 14)
HSL	hsl(356, 74%, 15%)
HSV	hsv(356, 85%, 26%)
CMYK	cmyk(0%, 84.8%, 78.8%, 74.1%)
CIE-LAB	lab(12.01, 26.67, 12.71)
CIE-LCH	lch(12.01, 29.55, 25.47°)
OKLab	oklab(25.18% 0.0783 0.0319)
OKLCH	oklch(25.18% 0.085 22.2)
XYZ	xyz(2.4348, 1.4074, 0.5588)
Luminance	0.0141 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#420A0E #0A423E

analogous

#420A2A #420A0E #42220A

triadic

#420A0E #0E420A #0A0E42

tetradic

#420A0E #2A420A #0A423E #220A42

square

#420A0E #2A420A #0A423E #220A42

split-complementary

#420A0E #0A4222 #0A2A42

monochromatic

#1B0406 #1B0406 #420A0E #771219 #AC1A25

Accessibility & contrast

On white

16.39

#420A0E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#420A0E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #420A0E

16.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##420A0E	#FFFFFF	#000000	##FFFFFF
##420A0E	1.00	16.39	1.28	16.39
#FFFFFF	16.39	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A180E

Deuteranopia (green-blind)

#28240C

Tritanopia (blue-blind)

#49000C

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #420a0e;
/* rgb */ color: rgb(66, 10, 14);
/* oklch */ color: oklch(25.2% 0.085 22.2);

Tailwind

colors: {
  custom: {
    50: '#7b4f4d',
    500: '#420a0e',
    950: '#000000',
  },
}

SCSS

$custom: #420a0e;
$custom-light: #7b4f4d;
$custom-dark: #000000;

JSON

{
  "hex": "#420a0e",
  "rgb": {
    "r": 66,
    "g": 10,
    "b": 14
  },
  "hsl": {
    "h": 355.714,
    "s": 73.684,
    "l": 14.902
  },
  "oklch": {
    "l": 0.25179,
    "c": 0.08452,
    "h": 22.2
  },
  "luminance": 0.01407
}

Semantic roles & 50–950 ramp

primary

#420A0E

secondary

#297F79

accent

#F0E337

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0201

muted

#7C7877

Preview Lab

Preview with #420A0E

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

Preview Lab → · Contrast checker → · Palette generator →