#421A0F#421A0F

#421A0F is a dark, moderate red. Relative luminance 0.019; OKLCH L 27.5% C 0.065 H 36.3°. Best body text is #FFFFFF at 15.15:1 contrast (WCAG AA passes).

Color values

HEX	#421A0F
RGB	rgb(66, 26, 15)
HSL	hsl(13, 63%, 16%)
HSV	hsv(13, 77%, 26%)
CMYK	cmyk(0%, 60.6%, 77.3%, 74.1%)
CIE-LAB	lab(15.13, 18.45, 16.32)
CIE-LCH	lch(15.13, 24.63, 41.49°)
OKLab	oklab(27.53% 0.0527 0.0387)
OKLCH	oklch(27.53% 0.065 36.3)
XYZ	xyz(2.7026, 1.9319, 0.6824)
Luminance	0.0193 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#421A0F #0F3742

analogous

#420F1D #421A0F #42330F

triadic

#421A0F #0F421A #1A0F42

tetradic

#421A0F #1D420F #0F3742 #330F42

square

#421A0F #1D420F #0F3742 #330F42

split-complementary

#421A0F #0F4233 #0F1D42

monochromatic

#190A06 #190A06 #421A0F #742E1A #A64126

Accessibility & contrast

On white

15.15

#421A0F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#421A0F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421A0F

15.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##421A0F	#FFFFFF	#000000	##FFFFFF
##421A0F	1.00	15.15	1.39	15.15
#FFFFFF	15.15	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#25210E

Deuteranopia (green-blind)

#2E290E

Tritanopia (blue-blind)

#491218

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #421a0f;
/* rgb */ color: rgb(66, 26, 15);
/* oklch */ color: oklch(27.5% 0.065 36.3);

Tailwind

colors: {
  custom: {
    50: '#7a584e',
    500: '#421a0f',
    950: '#000000',
  },
}

SCSS

$custom: #421a0f;
$custom-light: #7a584e;
$custom-dark: #000000;

JSON

{
  "hex": "#421a0f",
  "rgb": {
    "r": 66,
    "g": 26,
    "b": 15
  },
  "hsl": {
    "h": 12.941,
    "s": 62.963,
    "l": 15.882
  },
  "oklch": {
    "l": 0.27529,
    "c": 0.0654,
    "h": 36.3
  },
  "luminance": 0.01932
}

Semantic roles & 50–950 ramp

primary

#421A0F

secondary

#306C7C

accent

#C3E642

background

#F7F5F4

surface

#EEE9E7

border

#C9C5C3

text

#0A0301

muted

#7C7877

Preview Lab

Preview with #421A0F

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

Preview Lab → · Contrast checker → · Palette generator →