#420B09#420B09

#420B09 is a dark, moderate red. Relative luminance 0.014; OKLCH L 25.2% C 0.084 H 27.3°. Best body text is #FFFFFF at 16.36:1 contrast (WCAG AA passes).

Color values

HEX	#420B09
RGB	rgb(66, 11, 9)
HSL	hsl(2, 76%, 15%)
HSV	hsv(2, 86%, 26%)
CMYK	cmyk(0%, 83.3%, 86.4%, 74.1%)
CIE-LAB	lab(12.07, 26.00, 15.03)
CIE-LCH	lch(12.07, 30.03, 30.03°)
OKLab	oklab(25.2% 0.0748 0.0386)
OKLCH	oklch(25.2% 0.084 27.3)
XYZ	xyz(2.4160, 1.4177, 0.4048)
Luminance	0.0142 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#420B09 #094042

analogous

#420924 #420B09 #422809

triadic

#420B09 #09420B #0B0942

tetradic

#420B09 #244209 #094042 #280942

square

#420B09 #244209 #094042 #280942

split-complementary

#420B09 #094228 #092442

monochromatic

#1B0404 #1B0404 #420B09 #781410 #AE1D18

Accessibility & contrast

On white

16.36

#420B09 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#420B09 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #420B09

16.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##420B09	#FFFFFF	#000000	##FFFFFF
##420B09	1.00	16.36	1.28	16.36
#FFFFFF	16.36	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B1808

Deuteranopia (green-blind)

#292407

Tritanopia (blue-blind)

#4A000B

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #420b09;
/* rgb */ color: rgb(66, 11, 9);
/* oklch */ color: oklch(25.2% 0.084 27.3);

Tailwind

colors: {
  custom: {
    50: '#7c4f4a',
    500: '#420b09',
    950: '#000000',
  },
}

SCSS

$custom: #420b09;
$custom-light: #7c4f4a;
$custom-dark: #000000;

JSON

{
  "hex": "#420b09",
  "rgb": {
    "r": 66,
    "g": 11,
    "b": 9
  },
  "hsl": {
    "h": 2.105,
    "s": 76,
    "l": 14.706
  },
  "oklch": {
    "l": 0.25204,
    "c": 0.08418,
    "h": 27.3
  },
  "luminance": 0.01417
}

Semantic roles & 50–950 ramp

primary

#420B09

secondary

#277D80

accent

#ECF335

background

#F8F4F4

surface

#EFE7E7

border

#CAC3C3

text

#0A0201

muted

#7C7877

Preview Lab

Preview with #420B09

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

Preview Lab → · Contrast checker → · Palette generator →