#420A09#420A09

#420A09 is a dark, moderate red. Relative luminance 0.014; OKLCH L 25.1% C 0.085 H 26.7°. Best body text is #FFFFFF at 16.42:1 contrast (WCAG AA passes).

Color values

HEX	#420A09
RGB	rgb(66, 10, 9)
HSL	hsl(1, 76%, 15%)
HSV	hsv(1, 86%, 26%)
CMYK	cmyk(0%, 84.8%, 86.4%, 74.1%)
CIE-LAB	lab(11.93, 26.41, 14.83)
CIE-LCH	lch(11.93, 30.29, 29.31°)
OKLab	oklab(25.09% 0.0761 0.0382)
OKLCH	oklch(25.09% 0.085 26.7)
XYZ	xyz(2.4049, 1.3954, 0.4011)
Luminance	0.0140 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#420A09 #094142

analogous

#420924 #420A09 #422709

triadic

#420A09 #09420A #0A0942

tetradic

#420A09 #244209 #094142 #270942

square

#420A09 #244209 #094142 #270942

split-complementary

#420A09 #094227 #092442

monochromatic

#1B0404 #1B0404 #420A09 #781210 #AE1A18

Accessibility & contrast

On white

16.42

#420A09 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#420A09 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #420A09

16.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##420A09	#FFFFFF	#000000	##FFFFFF
##420A09	1.00	16.42	1.28	16.42
#FFFFFF	16.42	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B1808

Deuteranopia (green-blind)

#292407

Tritanopia (blue-blind)

#4A000A

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #420a09;
/* rgb */ color: rgb(66, 10, 9);
/* oklch */ color: oklch(25.1% 0.085 26.7);

Tailwind

colors: {
  custom: {
    50: '#7c4f4a',
    500: '#420a09',
    950: '#000000',
  },
}

SCSS

$custom: #420a09;
$custom-light: #7c4f4a;
$custom-dark: #000000;

JSON

{
  "hex": "#420a09",
  "rgb": {
    "r": 66,
    "g": 10,
    "b": 9
  },
  "hsl": {
    "h": 1.053,
    "s": 76,
    "l": 14.706
  },
  "oklch": {
    "l": 0.25094,
    "c": 0.08517,
    "h": 26.7
  },
  "luminance": 0.01395
}

Semantic roles & 50–950 ramp

primary

#420A09

secondary

#277E80

accent

#EFF335

background

#F8F4F4

surface

#EFE7E7

border

#CAC3C3

text

#0A0201

muted

#7C7877

Preview Lab

Preview with #420A09

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

Preview Lab → · Contrast checker → · Palette generator →