#421E1F#421E1F

#421E1F is a dark, muted red. Relative luminance 0.022; OKLCH L 28.6% C 0.056 H 19.5°. Best body text is #FFFFFF at 14.61:1 contrast (WCAG AA passes).

Color values

HEX	#421E1F
RGB	rgb(66, 30, 31)
HSL	hsl(358, 38%, 19%)
HSV	hsv(358, 55%, 26%)
CMYK	cmyk(0%, 54.5%, 53%, 74.1%)
CIE-LAB	lab(16.43, 17.48, 7.32)
CIE-LCH	lch(16.43, 18.95, 22.73°)
OKLab	oklab(28.63% 0.0526 0.0186)
OKLCH	oklch(28.63% 0.056 19.5)
XYZ	xyz(2.9586, 2.1860, 1.5622)
Luminance	0.0219 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#421E1F #1E4241

analogous

#421E31 #421E1F #422F1E

triadic

#421E1F #1F421E #1E1F42

tetradic

#421E1F #31421E #1E4241 #2F1E42

square

#421E1F #31421E #1E4241 #2F1E42

split-complementary

#421E1F #1E422F #1E3142

monochromatic

#150A0A #180B0B #421E1F #6C3133 #964447

Accessibility & contrast

On white

14.61

#421E1F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#421E1F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421E1F

14.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##421E1F	#FFFFFF	#000000	##FFFFFF
##421E1F	1.00	14.61	1.44	14.61
#FFFFFF	14.61	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#26241F

Deuteranopia (green-blind)

#2F2B1E

Tritanopia (blue-blind)

#48191F

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #421e1f;
/* rgb */ color: rgb(66, 30, 31);
/* oklch */ color: oklch(28.6% 0.056 19.5);

Tailwind

colors: {
  custom: {
    50: '#795b5a',
    500: '#421e1f',
    950: '#000000',
  },
}

SCSS

$custom: #421e1f;
$custom-light: #795b5a;
$custom-dark: #000000;

JSON

{
  "hex": "#421e1f",
  "rgb": {
    "r": 66,
    "g": 30,
    "b": 31
  },
  "hsl": {
    "h": 358.333,
    "s": 37.5,
    "l": 18.824
  },
  "oklch": {
    "l": 0.28632,
    "c": 0.05575,
    "h": 19.5
  },
  "luminance": 0.02186
}

Semantic roles & 50–950 ramp

primary

#421E1F

secondary

#457775

accent

#CDCA5A

background

#F7F5F5

surface

#EDE9E9

border

#C8C5C5

text

#090403

muted

#7B7978

Preview Lab

Preview with #421E1F

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

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