#421A23#421A23

#421A23 is a dark, moderate red. Relative luminance 0.020; OKLCH L 28.0% C 0.063 H 7.9°. Best body text is #FFFFFF at 14.96:1 contrast (WCAG AA passes).

Color values

HEX	#421A23
RGB	rgb(66, 26, 35)
HSL	hsl(347, 43%, 18%)
HSV	hsv(347, 61%, 26%)
CMYK	cmyk(0%, 60.6%, 47%, 74.1%)
CIE-LAB	lab(15.59, 20.45, 3.27)
CIE-LCH	lch(15.59, 20.71, 9.08°)
OKLab	oklab(28.03% 0.0621 0.0086)
OKLCH	oklch(28.03% 0.063 7.9)
XYZ	xyz(2.9197, 2.0187, 1.8257)
Luminance	0.0202 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#421A23 #1A4239

analogous

#421A37 #421A23 #42251A

triadic

#421A23 #23421A #1A2342

tetradic

#421A23 #37421A #1A4239 #251A42

square

#421A23 #37421A #1A4239 #251A42

split-complementary

#421A23 #1A4225 #1A3742

monochromatic

#16090C #16090C #421A23 #6E2B3A #9A3D52

Accessibility & contrast

On white

14.96

#421A23 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#421A23 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421A23

14.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##421A23	#FFFFFF	#000000	##FFFFFF
##421A23	1.00	14.96	1.40	14.96
#FFFFFF	14.96	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	14.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#222223

Deuteranopia (green-blind)

#2C2A22

Tritanopia (blue-blind)

#48161D

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #421a23;
/* rgb */ color: rgb(66, 26, 35);
/* oklch */ color: oklch(28.0% 0.063 7.9);

Tailwind

colors: {
  custom: {
    50: '#79585d',
    500: '#421a23',
    950: '#000000',
  },
}

SCSS

$custom: #421a23;
$custom-light: #79585d;
$custom-dark: #000000;

JSON

{
  "hex": "#421a23",
  "rgb": {
    "r": 66,
    "g": 26,
    "b": 35
  },
  "hsl": {
    "h": 346.5,
    "s": 43.478,
    "l": 18.039
  },
  "oklch": {
    "l": 0.28026,
    "c": 0.06272,
    "h": 7.9
  },
  "luminance": 0.02018
}

Semantic roles & 50–950 ramp

primary

#421A23

secondary

#40786B

accent

#D3B755

background

#F7F5F5

surface

#EDE9E9

border

#C8C5C5

text

#090304

muted

#7B7879

Preview Lab

Preview with #421A23

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

Preview Lab → · Contrast checker → · Palette generator →