#420508#420508

#420508 is a very dark, moderate red. Relative luminance 0.013; OKLCH L 24.5% C 0.091 H 24.6°. Best body text is #FFFFFF at 16.71:1 contrast (WCAG AA passes).

Color values

HEX	#420508
RGB	rgb(66, 5, 8)
HSL	hsl(357, 86%, 14%)
HSV	hsv(357, 92%, 26%)
CMYK	cmyk(0%, 92.4%, 87.9%, 74.1%)
CIE-LAB	lab(11.17, 28.46, 14.19)
CIE-LCH	lch(11.17, 31.80, 26.50°)
OKLab	oklab(24.53% 0.0823 0.0377)
OKLCH	oklch(24.53% 0.091 24.6)
XYZ	xyz(2.3452, 1.2847, 0.3542)
Luminance	0.0128 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#420508 #05423F

analogous

#420527 #420508 #422105

triadic

#420508 #084205 #050842

tetradic

#420508 #274205 #05423F #210542

square

#420508 #274205 #05423F #210542

split-complementary

#420508 #054221 #052742

monochromatic

#1C0203 #1C0203 #420508 #7B090F #B40E16

Accessibility & contrast

On white

16.71

#420508 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#420508 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #420508

16.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##420508	#FFFFFF	#000000	##FFFFFF
##420508	1.00	16.71	1.26	16.71
#FFFFFF	16.71	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#181507

Deuteranopia (green-blind)

#282206

Tritanopia (blue-blind)

#4A0007

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #420508;
/* rgb */ color: rgb(66, 5, 8);
/* oklch */ color: oklch(24.5% 0.091 24.6);

Tailwind

colors: {
  custom: {
    50: '#7c4c4a',
    500: '#420508',
    950: '#000000',
  },
}

SCSS

$custom: #420508;
$custom-light: #7c4c4a;
$custom-dark: #000000;

JSON

{
  "hex": "#420508",
  "rgb": {
    "r": 66,
    "g": 5,
    "b": 8
  },
  "hsl": {
    "h": 357.049,
    "s": 85.915,
    "l": 13.922
  },
  "oklch": {
    "l": 0.24525,
    "c": 0.09054,
    "h": 24.6
  },
  "luminance": 0.01284
}

Semantic roles & 50–950 ramp

primary

#420508

secondary

#20827E

accent

#FCF22C

background

#F8F4F4

surface

#EFE7E7

border

#CAC3C3

text

#0A0101

muted

#7C7777

Preview Lab

Preview with #420508

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

Preview Lab → · Contrast checker → · Palette generator →