#420B0E#420B0E

#420B0E is a dark, moderate red. Relative luminance 0.014; OKLCH L 25.3% C 0.083 H 22.8°. Best body text is #FFFFFF at 16.33:1 contrast (WCAG AA passes).

Color values

HEX	#420B0E
RGB	rgb(66, 11, 14)
HSL	hsl(357, 71%, 15%)
HSV	hsv(357, 83%, 26%)
CMYK	cmyk(0%, 83.3%, 78.8%, 74.1%)
CIE-LAB	lab(12.15, 26.27, 12.91)
CIE-LCH	lch(12.15, 29.27, 26.17°)
OKLab	oklab(25.29% 0.077 0.0323)
OKLCH	oklch(25.29% 0.083 22.8)
XYZ	xyz(2.4460, 1.4297, 0.5625)
Luminance	0.0143 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#420B0E #0B423F

analogous

#420B2A #420B0E #42230B

triadic

#420B0E #0E420B #0B0E42

tetradic

#420B0E #2A420B #0B423F #230B42

square

#420B0E #2A420B #0B423F #230B42

split-complementary

#420B0E #0B4223 #0B2A42

monochromatic

#1A0406 #1A0406 #420B0E #761419 #AB1C24

Accessibility & contrast

On white

16.33

#420B0E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#420B0E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #420B0E

16.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##420B0E	#FFFFFF	#000000	##FFFFFF
##420B0E	1.00	16.33	1.29	16.33
#FFFFFF	16.33	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B180E

Deuteranopia (green-blind)

#29240C

Tritanopia (blue-blind)

#49000D

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #420b0e;
/* rgb */ color: rgb(66, 11, 14);
/* oklch */ color: oklch(25.3% 0.083 22.8);

Tailwind

colors: {
  custom: {
    50: '#7b4f4d',
    500: '#420b0e',
    950: '#000000',
  },
}

SCSS

$custom: #420b0e;
$custom-light: #7b4f4d;
$custom-dark: #000000;

JSON

{
  "hex": "#420b0e",
  "rgb": {
    "r": 66,
    "g": 11,
    "b": 14
  },
  "hsl": {
    "h": 356.727,
    "s": 71.429,
    "l": 15.098
  },
  "oklch": {
    "l": 0.25288,
    "c": 0.08347,
    "h": 22.8
  },
  "luminance": 0.01429
}

Semantic roles & 50–950 ramp

primary

#420B0E

secondary

#2A7F7A

accent

#EEE43A

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0201

muted

#7C7877

Preview Lab

Preview with #420B0E

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

Preview Lab → · Contrast checker → · Palette generator →