#420D10#420D10

#420D10 is a dark, moderate red. Relative luminance 0.015; OKLCH L 25.6% C 0.081 H 22.1°. Best body text is #FFFFFF at 16.19:1 contrast (WCAG AA passes).

Color values

HEX	#420D10
RGB	rgb(66, 13, 16)
HSL	hsl(357, 67%, 15%)
HSV	hsv(357, 80%, 26%)
CMYK	cmyk(0%, 80.3%, 75.8%, 74.1%)
CIE-LAB	lab(12.51, 25.52, 12.33)
CIE-LCH	lch(12.51, 28.34, 25.78°)
OKLab	oklab(25.56% 0.0751 0.0304)
OKLCH	oklch(25.56% 0.081 22.1)
XYZ	xyz(2.4845, 1.4839, 0.6457)
Luminance	0.0148 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#420D10 #0D423F

analogous

#420D2A #420D10 #42240D

triadic

#420D10 #10420D #0D1042

tetradic

#420D10 #2A420D #0D423F #240D42

square

#420D10 #2A420D #0D423F #240D42

split-complementary

#420D10 #0D4224 #0D2A42

monochromatic

#1A0506 #1A0506 #420D10 #75171C #A82129

Accessibility & contrast

On white

16.19

#420D10 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#420D10 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #420D10

16.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##420D10	#FFFFFF	#000000	##FFFFFF
##420D10	1.00	16.19	1.30	16.19
#FFFFFF	16.19	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C1910

Deuteranopia (green-blind)

#29250E

Tritanopia (blue-blind)

#49010F

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #420d10;
/* rgb */ color: rgb(66, 13, 16);
/* oklch */ color: oklch(25.6% 0.081 22.1);

Tailwind

colors: {
  custom: {
    50: '#7b504e',
    500: '#420d10',
    950: '#000000',
  },
}

SCSS

$custom: #420d10;
$custom-light: #7b504e;
$custom-dark: #000000;

JSON

{
  "hex": "#420d10",
  "rgb": {
    "r": 66,
    "g": 13,
    "b": 16
  },
  "hsl": {
    "h": 356.604,
    "s": 67.089,
    "l": 15.49
  },
  "oklch": {
    "l": 0.25562,
    "c": 0.08103,
    "h": 22.1
  },
  "luminance": 0.01484
}

Semantic roles & 50–950 ramp

primary

#420D10

secondary

#2D7E79

accent

#EAE03E

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0201

muted

#7C7877

Preview Lab

Preview with #420D10

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

Preview Lab → · Contrast checker → · Palette generator →