#42090C#42090C

#42090C is a dark, moderate red. Relative luminance 0.014; OKLCH L 25.0% C 0.086 H 23.5°. Best body text is #FFFFFF at 16.46:1 contrast (WCAG AA passes).

Color values

HEX	#42090C
RGB	rgb(66, 9, 12)
HSL	hsl(357, 76%, 15%)
HSV	hsv(357, 86%, 26%)
CMYK	cmyk(0%, 86.4%, 81.8%, 74.1%)
CIE-LAB	lab(11.83, 26.97, 13.42)
CIE-LCH	lch(11.83, 30.12, 26.46°)
OKLab	oklab(25.03% 0.0787 0.0342)
OKLCH	oklch(25.03% 0.086 23.5)
XYZ	xyz(2.4111, 1.3805, 0.4873)
Luminance	0.0138 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42090C #09423F

analogous

#420929 #42090C #422309

triadic

#42090C #0C4209 #090C42

tetradic

#42090C #294209 #09423F #230942

square

#42090C #294209 #09423F #230942

split-complementary

#42090C #094223 #092942

monochromatic

#1B0405 #1B0405 #42090C #781016 #AE1820

Accessibility & contrast

On white

16.46

#42090C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#42090C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42090C

16.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42090C	#FFFFFF	#000000	##FFFFFF
##42090C	1.00	16.46	1.28	16.46
#FFFFFF	16.46	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A170C

Deuteranopia (green-blind)

#28240A

Tritanopia (blue-blind)

#49000B

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #42090c;
/* rgb */ color: rgb(66, 9, 12);
/* oklch */ color: oklch(25.0% 0.086 23.5);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#42090c",
  "rgb": {
    "r": 66,
    "g": 9,
    "b": 12
  },
  "hsl": {
    "h": 356.842,
    "s": 76,
    "l": 14.706
  },
  "oklch": {
    "l": 0.25034,
    "c": 0.08577,
    "h": 23.5
  },
  "luminance": 0.0138
}

Semantic roles & 50–950 ramp

primary

#42090C

secondary

#27807B

accent

#F3E935

background

#F8F4F4

surface

#EFE7E7

border

#CAC3C3

text

#0A0201

muted

#7C7877

Preview Lab

Preview with #42090C

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

Preview Lab → · Contrast checker → · Palette generator →