#42131B#42131B

#42131B is a dark, moderate red. Relative luminance 0.017; OKLCH L 26.6% C 0.073 H 13.3°. Best body text is #FFFFFF at 15.66:1 contrast (WCAG AA passes).

Color values

HEX	#42131B
RGB	rgb(66, 19, 27)
HSL	hsl(350, 55%, 17%)
HSV	hsv(350, 71%, 26%)
CMYK	cmyk(0%, 71.2%, 59.1%, 74.1%)
CIE-LAB	lab(13.85, 23.49, 6.65)
CIE-LCH	lch(13.85, 24.41, 15.81°)
OKLab	oklab(26.65% 0.0709 0.0168)
OKLCH	oklch(26.65% 0.073 13.3)
XYZ	xyz(2.6777, 1.7035, 1.2245)
Luminance	0.0170 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42131B #13423A

analogous

#421333 #42131B #422313

triadic

#42131B #1B4213 #131B42

tetradic

#42131B #334213 #13423A #231342

square

#42131B #334213 #13423A #231342

split-complementary

#42131B #134223 #133342

monochromatic

#18070A #18070A #42131B #72212E #A12E42

Accessibility & contrast

On white

15.66

#42131B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.34

#42131B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42131B

15.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42131B	#FFFFFF	#000000	##FFFFFF
##42131B	1.00	15.66	1.34	15.66
#FFFFFF	15.66	1.00	21.00	1.00
#000000	1.34	21.00	1.00	21.00
##FFFFFF	15.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E1D1B

Deuteranopia (green-blind)

#2A271A

Tritanopia (blue-blind)

#490B16

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #42131b;
/* rgb */ color: rgb(66, 19, 27);
/* oklch */ color: oklch(26.6% 0.073 13.3);

Tailwind

colors: {
  custom: {
    50: '#7a5357',
    500: '#42131b',
    950: '#000000',
  },
}

SCSS

$custom: #42131b;
$custom-light: #7a5357;
$custom-dark: #000000;

JSON

{
  "hex": "#42131b",
  "rgb": {
    "r": 66,
    "g": 19,
    "b": 27
  },
  "hsl": {
    "h": 349.787,
    "s": 55.294,
    "l": 16.667
  },
  "oklch": {
    "l": 0.26646,
    "c": 0.07287,
    "h": 13.3
  },
  "luminance": 0.01703
}

Semantic roles & 50–950 ramp

primary

#42131B

secondary

#367B6F

accent

#DFC549

background

#F7F4F5

surface

#EEE7E9

border

#C9C3C5

text

#0A0303

muted

#7C7878

Preview Lab

Preview with #42131B

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

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