#420810#420810

#420810 is a dark, moderate red. Relative luminance 0.014; OKLCH L 25.0% C 0.087 H 19.1°. Best body text is #FFFFFF at 16.49:1 contrast (WCAG AA passes).

Color values

HEX	#420810
RGB	rgb(66, 8, 16)
HSL	hsl(352, 78%, 15%)
HSV	hsv(352, 88%, 26%)
CMYK	cmyk(0%, 87.9%, 75.8%, 74.1%)
CIE-LAB	lab(11.75, 27.61, 11.30)
CIE-LCH	lch(11.75, 29.84, 22.26°)
OKLab	oklab(25% 0.0818 0.0283)
OKLCH	oklch(25% 0.087 19.1)
XYZ	xyz(2.4274, 1.3697, 0.6267)
Luminance	0.0137 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#420810 #08423A

analogous

#42082D #420810 #421D08

triadic

#420810 #104208 #081042

tetradic

#420810 #2D4208 #08423A #1D0842

square

#420810 #2D4208 #08423A #1D0842

split-complementary

#420810 #08421D #082D42

monochromatic

#1B0307 #1B0307 #420810 #790F1D #AF152A

Accessibility & contrast

On white

16.49

#420810 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#420810 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #420810

16.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##420810	#FFFFFF	#000000	##FFFFFF
##420810	1.00	16.49	1.27	16.49
#FFFFFF	16.49	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#191710

Deuteranopia (green-blind)

#28230E

Tritanopia (blue-blind)

#49000C

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #420810;
/* rgb */ color: rgb(66, 8, 16);
/* oklch */ color: oklch(25.0% 0.087 19.1);

Tailwind

colors: {
  custom: {
    50: '#7b4e4e',
    500: '#420810',
    950: '#000000',
  },
}

SCSS

$custom: #420810;
$custom-light: #7b4e4e;
$custom-dark: #000000;

JSON

{
  "hex": "#420810",
  "rgb": {
    "r": 66,
    "g": 8,
    "b": 16
  },
  "hsl": {
    "h": 351.724,
    "s": 78.378,
    "l": 14.51
  },
  "oklch": {
    "l": 0.25003,
    "c": 0.08654,
    "h": 19.1
  },
  "luminance": 0.01369
}

Semantic roles & 50–950 ramp

primary

#420810

secondary

#258074

accent

#F5DA33

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0201

muted

#7C7877

Preview Lab

Preview with #420810

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

Preview Lab → · Contrast checker → · Palette generator →