#420B06#420B06

#420B06 is a dark, moderate red. Relative luminance 0.014; OKLCH L 25.2% C 0.085 H 29.9°. Best body text is #FFFFFF at 16.38:1 contrast (WCAG AA passes).

Color values

HEX	#420B06
RGB	rgb(66, 11, 6)
HSL	hsl(5, 83%, 14%)
HSV	hsv(5, 91%, 26%)
CMYK	cmyk(0%, 83.3%, 90.9%, 74.1%)
CIE-LAB	lab(12.03, 25.86, 16.19)
CIE-LCH	lch(12.03, 30.51, 32.06°)
OKLab	oklab(25.16% 0.0735 0.0423)
OKLCH	oklch(25.16% 0.085 29.9)
XYZ	xyz(2.3996, 1.4111, 0.3183)
Luminance	0.0141 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#420B06 #063D42

analogous

#42061F #420B06 #422906

triadic

#420B06 #06420B #0B0642

tetradic

#420B06 #1F4206 #063D42 #290642

square

#420B06 #1F4206 #063D42 #290642

split-complementary

#420B06 #064229 #061F42

monochromatic

#1C0503 #1C0503 #420B06 #7A140B #B21E10

Accessibility & contrast

On white

16.38

#420B06 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#420B06 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #420B06

16.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##420B06	#FFFFFF	#000000	##FFFFFF
##420B06	1.00	16.38	1.28	16.38
#FFFFFF	16.38	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C1805

Deuteranopia (green-blind)

#292404

Tritanopia (blue-blind)

#4A000A

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #420b06;
/* rgb */ color: rgb(66, 11, 6);
/* oklch */ color: oklch(25.2% 0.085 29.9);

Tailwind

colors: {
  custom: {
    50: '#7c4f49',
    500: '#420b06',
    950: '#000000',
  },
}

SCSS

$custom: #420b06;
$custom-light: #7c4f49;
$custom-dark: #000000;

JSON

{
  "hex": "#420b06",
  "rgb": {
    "r": 66,
    "g": 11,
    "b": 6
  },
  "hsl": {
    "h": 5,
    "s": 83.333,
    "l": 14.118
  },
  "oklch": {
    "l": 0.25158,
    "c": 0.08479,
    "h": 29.9
  },
  "luminance": 0.01411
}

Semantic roles & 50–950 ramp

primary

#420B06

secondary

#227A82

accent

#E9FA2E

background

#F8F4F4

surface

#EFE7E6

border

#CAC3C2

text

#0A0200

muted

#7C7877

Preview Lab

Preview with #420B06

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

Preview Lab → · Contrast checker → · Palette generator →