#420B08#420B08

#420B08 is a dark, moderate red. Relative luminance 0.014; OKLCH L 25.2% C 0.084 H 28.1°. Best body text is #FFFFFF at 16.37:1 contrast (WCAG AA passes).

Color values

HEX	#420B08
RGB	rgb(66, 11, 8)
HSL	hsl(3, 78%, 15%)
HSV	hsv(3, 88%, 26%)
CMYK	cmyk(0%, 83.3%, 87.9%, 74.1%)
CIE-LAB	lab(12.06, 25.95, 15.42)
CIE-LCH	lch(12.06, 30.19, 30.71°)
OKLab	oklab(25.19% 0.0744 0.0398)
OKLCH	oklch(25.19% 0.084 28.1)
XYZ	xyz(2.4106, 1.4155, 0.3760)
Luminance	0.0141 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#420B08 #083F42

analogous

#420822 #420B08 #422808

triadic

#420B08 #08420B #0B0842

tetradic

#420B08 #224208 #083F42 #280842

square

#420B08 #224208 #083F42 #280842

split-complementary

#420B08 #084228 #082242

monochromatic

#1B0503 #1B0503 #420B08 #79140F #AF1D15

Accessibility & contrast

On white

16.37

#420B08 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#420B08 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #420B08

16.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##420B08	#FFFFFF	#000000	##FFFFFF
##420B08	1.00	16.37	1.28	16.37
#FFFFFF	16.37	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C1807

Deuteranopia (green-blind)

#292406

Tritanopia (blue-blind)

#4A000B

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #420b08;
/* rgb */ color: rgb(66, 11, 8);
/* oklch */ color: oklch(25.2% 0.084 28.1);

Tailwind

colors: {
  custom: {
    50: '#7c4f4a',
    500: '#420b08',
    950: '#000000',
  },
}

SCSS

$custom: #420b08;
$custom-light: #7c4f4a;
$custom-dark: #000000;

JSON

{
  "hex": "#420b08",
  "rgb": {
    "r": 66,
    "g": 11,
    "b": 8
  },
  "hsl": {
    "h": 3.103,
    "s": 78.378,
    "l": 14.51
  },
  "oklch": {
    "l": 0.25188,
    "c": 0.08436,
    "h": 28.1
  },
  "luminance": 0.01415
}

Semantic roles & 50–950 ramp

primary

#420B08

secondary

#257C80

accent

#EBF533

background

#F8F4F4

surface

#EFE7E7

border

#CAC3C3

text

#0A0201

muted

#7C7877

Preview Lab

Preview with #420B08

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

Preview Lab → · Contrast checker → · Palette generator →