#421A0D#421A0D

#421A0D is a dark, moderate red. Relative luminance 0.019; OKLCH L 27.5% C 0.066 H 38.4°. Best body text is #FFFFFF at 15.16:1 contrast (WCAG AA passes).

Color values

HEX	#421A0D
RGB	rgb(66, 26, 13)
HSL	hsl(15, 67%, 15%)
HSV	hsv(15, 80%, 26%)
CMYK	cmyk(0%, 60.6%, 80.3%, 74.1%)
CIE-LAB	lab(15.10, 18.32, 17.29)
CIE-LCH	lch(15.10, 25.19, 43.34°)
OKLab	oklab(27.5% 0.0519 0.0411)
OKLCH	oklch(27.5% 0.066 38.4)
XYZ	xyz(2.6891, 1.9264, 0.6109)
Luminance	0.0193 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#421A0D #0D3542

analogous

#420D1A #421A0D #42340D

triadic

#421A0D #0D421A #1A0D42

tetradic

#421A0D #1A420D #0D3542 #340D42

square

#421A0D #1A420D #0D3542 #340D42

split-complementary

#421A0D #0D4234 #0D1A42

monochromatic

#1A0A05 #1A0A05 #421A0D #752E17 #A84221

Accessibility & contrast

On white

15.16

#421A0D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#421A0D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421A0D

15.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##421A0D	#FFFFFF	#000000	##FFFFFF
##421A0D	1.00	15.16	1.39	15.16
#FFFFFF	15.16	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#25200C

Deuteranopia (green-blind)

#2F290C

Tritanopia (blue-blind)

#491217

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #421a0d;
/* rgb */ color: rgb(66, 26, 13);
/* oklch */ color: oklch(27.5% 0.066 38.4);

Tailwind

colors: {
  custom: {
    50: '#7a584c',
    500: '#421a0d',
    950: '#000000',
  },
}

SCSS

$custom: #421a0d;
$custom-light: #7a584c;
$custom-dark: #000000;

JSON

{
  "hex": "#421a0d",
  "rgb": {
    "r": 66,
    "g": 26,
    "b": 13
  },
  "hsl": {
    "h": 14.717,
    "s": 67.089,
    "l": 15.49
  },
  "oklch": {
    "l": 0.27498,
    "c": 0.06617,
    "h": 38.4
  },
  "luminance": 0.01926
}

Semantic roles & 50–950 ramp

primary

#421A0D

secondary

#2D6A7E

accent

#C0EA3E

background

#F7F5F4

surface

#EEE9E7

border

#C9C5C3

text

#0A0301

muted

#7C7877

Preview Lab

Preview with #421A0D

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

Preview Lab → · Contrast checker → · Palette generator →