#42090D#42090D

#42090D is a dark, moderate red. Relative luminance 0.014; OKLCH L 25.1% C 0.086 H 22.6°. Best body text is #FFFFFF at 16.45:1 contrast (WCAG AA passes).

Color values

HEX	#42090D
RGB	rgb(66, 9, 13)
HSL	hsl(356, 76%, 15%)
HSV	hsv(356, 86%, 26%)
CMYK	cmyk(0%, 86.4%, 80.3%, 74.1%)
CIE-LAB	lab(11.84, 27.02, 12.98)
CIE-LCH	lch(11.84, 29.98, 25.66°)
OKLab	oklab(25.05% 0.0791 0.0329)
OKLCH	oklch(25.05% 0.086 22.6)
XYZ	xyz(2.4174, 1.3831, 0.5204)
Luminance	0.0138 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42090D #09423E

analogous

#42092A #42090D #422109

triadic

#42090D #0D4209 #090D42

tetradic

#42090D #2A4209 #09423E #210942

square

#42090D #2A4209 #09423E #210942

split-complementary

#42090D #094221 #092A42

monochromatic

#1B0405 #1B0405 #42090D #781018 #AE1822

Accessibility & contrast

On white

16.45

#42090D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#42090D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42090D

16.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42090D	#FFFFFF	#000000	##FFFFFF
##42090D	1.00	16.45	1.28	16.45
#FFFFFF	16.45	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A170D

Deuteranopia (green-blind)

#28240B

Tritanopia (blue-blind)

#49000B

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #42090d;
/* rgb */ color: rgb(66, 9, 13);
/* oklch */ color: oklch(25.1% 0.086 22.6);

Tailwind

colors: {
  custom: {
    50: '#7c4e4c',
    500: '#42090d',
    950: '#000000',
  },
}

SCSS

$custom: #42090d;
$custom-light: #7c4e4c;
$custom-dark: #000000;

JSON

{
  "hex": "#42090d",
  "rgb": {
    "r": 66,
    "g": 9,
    "b": 13
  },
  "hsl": {
    "h": 355.789,
    "s": 76,
    "l": 14.706
  },
  "oklch": {
    "l": 0.25052,
    "c": 0.08567,
    "h": 22.6
  },
  "luminance": 0.01383
}

Semantic roles & 50–950 ramp

primary

#42090D

secondary

#27807A

accent

#F3E535

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0201

muted

#7C7877

Preview Lab

Preview with #42090D

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

Preview Lab → · Contrast checker → · Palette generator →