#421E27#421E27

#421E27 is a dark, muted red. Relative luminance 0.022; OKLCH L 28.9% C 0.057 H 5.4°. Best body text is #FFFFFF at 14.52:1 contrast (WCAG AA passes).

Color values

HEX	#421E27
RGB	rgb(66, 30, 39)
HSL	hsl(345, 38%, 19%)
HSV	hsv(345, 55%, 26%)
CMYK	cmyk(0%, 54.5%, 40.9%, 74.1%)
CIE-LAB	lab(16.67, 18.55, 1.95)
CIE-LCH	lch(16.67, 18.65, 6.00°)
OKLab	oklab(28.89% 0.0563 0.0053)
OKLCH	oklch(28.89% 0.057 5.4)
XYZ	xyz(3.0774, 2.2336, 2.1881)
Luminance	0.0223 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#421E27 #1E4239

analogous

#421E39 #421E27 #42271E

triadic

#421E27 #27421E #1E2742

tetradic

#421E27 #39421E #1E4239 #271E42

square

#421E27 #39421E #1E4239 #271E42

split-complementary

#421E27 #1E4227 #1E3942

monochromatic

#150A0C #180B0E #421E27 #6C3140 #964459

Accessibility & contrast

On white

14.52

#421E27 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#421E27 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421E27

14.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##421E27	#FFFFFF	#000000	##FFFFFF
##421E27	1.00	14.52	1.45	14.52
#FFFFFF	14.52	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#242527

Deuteranopia (green-blind)

#2D2C26

Tritanopia (blue-blind)

#471B21

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #421e27;
/* rgb */ color: rgb(66, 30, 39);
/* oklch */ color: oklch(28.9% 0.057 5.4);

Tailwind

colors: {
  custom: {
    50: '#785b60',
    500: '#421e27',
    950: '#000000',
  },
}

SCSS

$custom: #421e27;
$custom-light: #785b60;
$custom-dark: #000000;

JSON

{
  "hex": "#421e27",
  "rgb": {
    "r": 66,
    "g": 30,
    "b": 39
  },
  "hsl": {
    "h": 345,
    "s": 37.5,
    "l": 18.824
  },
  "oklch": {
    "l": 0.28885,
    "c": 0.05659,
    "h": 5.4
  },
  "luminance": 0.02233
}

Semantic roles & 50–950 ramp

primary

#421E27

secondary

#45776A

accent

#CDB15A

background

#F7F5F5

surface

#EDE9E9

border

#C8C5C5

text

#090405

muted

#7B7979

Preview Lab

Preview with #421E27

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

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