#420E0E#420E0E

#420E0E is a dark, moderate red. Relative luminance 0.015; OKLCH L 25.6% C 0.080 H 24.8°. Best body text is #FFFFFF at 16.14:1 contrast (WCAG AA passes).

Color values

HEX	#420E0E
RGB	rgb(66, 14, 14)
HSL	hsl(0, 65%, 16%)
HSV	hsv(0, 79%, 26%)
CMYK	cmyk(0%, 78.8%, 78.8%, 74.1%)
CIE-LAB	lab(12.64, 24.93, 13.56)
CIE-LCH	lch(12.64, 28.38, 28.54°)
OKLab	oklab(25.65% 0.0727 0.0336)
OKLCH	oklch(25.65% 0.08 24.8)
XYZ	xyz(2.4833, 1.5044, 0.5750)
Luminance	0.0150 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#420E0E #0E4242

analogous

#420E28 #420E0E #42280E

triadic

#420E0E #0E420E #0E0E42

tetradic

#420E0E #28420E #0E4242 #280E42

square

#420E0E #28420E #0E4242 #280E42

split-complementary

#420E0E #0E4228 #0E2842

monochromatic

#190505 #190505 #420E0E #741919 #A72323

Accessibility & contrast

On white

16.14

#420E0E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#420E0E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #420E0E

16.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##420E0E	#FFFFFF	#000000	##FFFFFF
##420E0E	1.00	16.14	1.30	16.14
#FFFFFF	16.14	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D1A0D

Deuteranopia (green-blind)

#2A250C

Tritanopia (blue-blind)

#49020F

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #420e0e;
/* rgb */ color: rgb(66, 14, 14);
/* oklch */ color: oklch(25.6% 0.080 24.8);

Tailwind

colors: {
  custom: {
    50: '#7b504d',
    500: '#420e0e',
    950: '#000000',
  },
}

SCSS

$custom: #420e0e;
$custom-light: #7b504d;
$custom-dark: #000000;

JSON

{
  "hex": "#420e0e",
  "rgb": {
    "r": 66,
    "g": 14,
    "b": 14
  },
  "hsl": {
    "h": 0,
    "s": 65,
    "l": 15.686
  },
  "oklch": {
    "l": 0.25647,
    "c": 0.08013,
    "h": 24.8
  },
  "luminance": 0.01504
}

Semantic roles & 50–950 ramp

primary

#420E0E

secondary

#2F7D7D

accent

#E8E840

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0201

muted

#7C7877

Preview Lab

Preview with #420E0E

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

Preview Lab → · Contrast checker → · Palette generator →