#420B16#420B16

#420B16 is a dark, moderate red. Relative luminance 0.015; OKLCH L 25.5% C 0.083 H 14.2°. Best body text is #FFFFFF at 16.26:1 contrast (WCAG AA passes).

Color values

HEX	#420B16
RGB	rgb(66, 11, 22)
HSL	hsl(348, 71%, 15%)
HSV	hsv(348, 83%, 26%)
CMYK	cmyk(0%, 83.3%, 66.7%, 74.1%)
CIE-LAB	lab(12.32, 26.84, 8.27)
CIE-LCH	lch(12.32, 28.08, 17.12°)
OKLab	oklab(25.47% 0.0807 0.0204)
OKLCH	oklch(25.47% 0.083 14.2)
XYZ	xyz(2.5115, 1.4559, 0.9077)
Luminance	0.0146 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#420B16 #0B4237

analogous

#420B31 #420B16 #421B0B

triadic

#420B16 #16420B #0B1642

tetradic

#420B16 #31420B #0B4237 #1B0B42

square

#420B16 #31420B #0B4237 #1B0B42

split-complementary

#420B16 #0B421B #0B3142

monochromatic

#1A0409 #1A0409 #420B16 #761427 #AB1C39

Accessibility & contrast

On white

16.26

#420B16 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#420B16 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #420B16

16.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##420B16	#FFFFFF	#000000	##FFFFFF
##420B16	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)

#1A1916

Deuteranopia (green-blind)

#282415

Tritanopia (blue-blind)

#490010

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #420b16;
/* rgb */ color: rgb(66, 11, 22);
/* oklch */ color: oklch(25.5% 0.083 14.2);

Tailwind

colors: {
  custom: {
    50: '#7b4f52',
    500: '#420b16',
    950: '#000000',
  },
}

SCSS

$custom: #420b16;
$custom-light: #7b4f52;
$custom-dark: #000000;

JSON

{
  "hex": "#420b16",
  "rgb": {
    "r": 66,
    "g": 11,
    "b": 22
  },
  "hsl": {
    "h": 348,
    "s": 71.429,
    "l": 15.098
  },
  "oklch": {
    "l": 0.2547,
    "c": 0.08324,
    "h": 14.2
  },
  "luminance": 0.01456
}

Semantic roles & 50–950 ramp

primary

#420B16

secondary

#2A7F6E

accent

#EECA3A

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0202

muted

#7C7878

Preview Lab

Preview with #420B16

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

Preview Lab → · Contrast checker → · Palette generator →