#42131A#42131A

#42131A is a dark, moderate red. Relative luminance 0.017; OKLCH L 26.6% C 0.073 H 14.7°. Best body text is #FFFFFF at 15.67:1 contrast (WCAG AA passes).

Color values

HEX	#42131A
RGB	rgb(66, 19, 26)
HSL	hsl(351, 55%, 17%)
HSV	hsv(351, 71%, 26%)
CMYK	cmyk(0%, 71.2%, 60.6%, 74.1%)
CIE-LAB	lab(13.82, 23.39, 7.35)
CIE-LCH	lch(13.82, 24.52, 17.44°)
OKLab	oklab(26.62% 0.0704 0.0185)
OKLCH	oklch(26.62% 0.073 14.7)
XYZ	xyz(2.6663, 1.6989, 1.1646)
Luminance	0.0170 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42131A #13423B

analogous

#421332 #42131A #422413

triadic

#42131A #1A4213 #131A42

tetradic

#42131A #324213 #13423B #241342

square

#42131A #324213 #13423B #241342

split-complementary

#42131A #134224 #133242

monochromatic

#180709 #180709 #42131A #72212D #A12E3F

Accessibility & contrast

On white

15.67

#42131A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.34

#42131A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42131A

15.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42131A	#FFFFFF	#000000	##FFFFFF
##42131A	1.00	15.67	1.34	15.67
#FFFFFF	15.67	1.00	21.00	1.00
#000000	1.34	21.00	1.00	21.00
##FFFFFF	15.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E1D1A

Deuteranopia (green-blind)

#2A2719

Tritanopia (blue-blind)

#490B16

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #42131a;
/* rgb */ color: rgb(66, 19, 26);
/* oklch */ color: oklch(26.6% 0.073 14.7);

Tailwind

colors: {
  custom: {
    50: '#7a5356',
    500: '#42131a',
    950: '#000000',
  },
}

SCSS

$custom: #42131a;
$custom-light: #7a5356;
$custom-dark: #000000;

JSON

{
  "hex": "#42131a",
  "rgb": {
    "r": 66,
    "g": 19,
    "b": 26
  },
  "hsl": {
    "h": 351.064,
    "s": 55.294,
    "l": 16.667
  },
  "oklch": {
    "l": 0.26618,
    "c": 0.0728,
    "h": 14.7
  },
  "luminance": 0.01699
}

Semantic roles & 50–950 ramp

primary

#42131A

secondary

#367B70

accent

#DFC849

background

#F7F4F5

surface

#EEE7E8

border

#C9C3C4

text

#0A0303

muted

#7C7878

Preview Lab

Preview with #42131A

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

Preview Lab → · Contrast checker → · Palette generator →