#420A18#420A18

#420A18 is a dark, moderate red. Relative luminance 0.014; OKLCH L 25.4% C 0.085 H 11.4°. Best body text is #FFFFFF at 16.30:1 contrast (WCAG AA passes).

Color values

HEX	#420A18
RGB	rgb(66, 10, 24)
HSL	hsl(345, 74%, 15%)
HSV	hsv(345, 85%, 26%)
CMYK	cmyk(0%, 84.8%, 63.6%, 74.1%)
CIE-LAB	lab(12.23, 27.41, 6.66)
CIE-LCH	lch(12.23, 28.21, 13.66°)
OKLab	oklab(25.42% 0.0829 0.0167)
OKLCH	oklch(25.42% 0.085 11.4)
XYZ	xyz(2.5204, 1.4416, 1.0095)
Luminance	0.0144 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#420A18 #0A4234

analogous

#420A34 #420A18 #42180A

triadic

#420A18 #18420A #0A1842

tetradic

#420A18 #34420A #0A4234 #180A42

square

#420A18 #34420A #0A4234 #180A42

split-complementary

#420A18 #0A4218 #0A3442

monochromatic

#1B040A #1B040A #420A18 #77122B #AC1A3F

Accessibility & contrast

On white

16.30

#420A18 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#420A18 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #420A18

16.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##420A18	#FFFFFF	#000000	##FFFFFF
##420A18	1.00	16.30	1.29	16.30
#FFFFFF	16.30	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#191918

Deuteranopia (green-blind)

#272417

Tritanopia (blue-blind)

#490010

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #420a18;
/* rgb */ color: rgb(66, 10, 24);
/* oklch */ color: oklch(25.4% 0.085 11.4);

Tailwind

colors: {
  custom: {
    50: '#7b4f54',
    500: '#420a18',
    950: '#000000',
  },
}

SCSS

$custom: #420a18;
$custom-light: #7b4f54;
$custom-dark: #000000;

JSON

{
  "hex": "#420a18",
  "rgb": {
    "r": 66,
    "g": 10,
    "b": 24
  },
  "hsl": {
    "h": 345,
    "s": 73.684,
    "l": 14.902
  },
  "oklch": {
    "l": 0.25418,
    "c": 0.0846,
    "h": 11.4
  },
  "luminance": 0.01441
}

Semantic roles & 50–950 ramp

primary

#420A18

secondary

#297F6A

accent

#F0C237

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0202

muted

#7C7878

Preview Lab

Preview with #420A18

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

Preview Lab → · Contrast checker → · Palette generator →