#42131D#42131D

#42131D is a dark, moderate red. Relative luminance 0.017; OKLCH L 26.7% C 0.073 H 10.6°. Best body text is #FFFFFF at 15.64:1 contrast (WCAG AA passes).

Color values

HEX	#42131D
RGB	rgb(66, 19, 29)
HSL	hsl(347, 55%, 17%)
HSV	hsv(347, 71%, 26%)
CMYK	cmyk(0%, 71.2%, 56.1%, 74.1%)
CIE-LAB	lab(13.90, 23.70, 5.26)
CIE-LCH	lch(13.90, 24.28, 12.51°)
OKLab	oklab(26.71% 0.0718 0.0135)
OKLCH	oklch(26.71% 0.073 10.6)
XYZ	xyz(2.7016, 1.7130, 1.3505)
Luminance	0.0171 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42131D #134238

analogous

#421335 #42131D #422113

triadic

#42131D #1D4213 #131D42

tetradic

#42131D #354213 #134238 #211342

square

#42131D #354213 #134238 #211342

split-complementary

#42131D #134221 #133542

monochromatic

#18070A #18070A #42131D #722132 #A12E47

Accessibility & contrast

On white

15.64

#42131D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.34

#42131D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42131D

15.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42131D	#FFFFFF	#000000	##FFFFFF
##42131D	1.00	15.64	1.34	15.64
#FFFFFF	15.64	1.00	21.00	1.00
#000000	1.34	21.00	1.00	21.00
##FFFFFF	15.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E1D1D

Deuteranopia (green-blind)

#2A271C

Tritanopia (blue-blind)

#480C17

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #42131d;
/* rgb */ color: rgb(66, 19, 29);
/* oklch */ color: oklch(26.7% 0.073 10.6);

Tailwind

colors: {
  custom: {
    50: '#7a5458',
    500: '#42131d',
    950: '#000000',
  },
}

SCSS

$custom: #42131d;
$custom-light: #7a5458;
$custom-dark: #000000;

JSON

{
  "hex": "#42131d",
  "rgb": {
    "r": 66,
    "g": 19,
    "b": 29
  },
  "hsl": {
    "h": 347.234,
    "s": 55.294,
    "l": 16.667
  },
  "oklch": {
    "l": 0.26706,
    "c": 0.0731,
    "h": 10.6
  },
  "luminance": 0.01713
}

Semantic roles & 50–950 ramp

primary

#42131D

secondary

#367B6C

accent

#DFBF49

background

#F7F4F5

surface

#EEE7E9

border

#C9C3C5

text

#090303

muted

#7B7878

Preview Lab

Preview with #42131D

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

Preview Lab → · Contrast checker → · Palette generator →