#3B050B#3B050B

#3B050B is a very dark, moderate red. Relative luminance 0.011; OKLCH L 23.0% C 0.082 H 20.7°. Best body text is #FFFFFF at 17.32:1 contrast (WCAG AA passes).

Color values

HEX	#3B050B
RGB	rgb(59, 5, 11)
HSL	hsl(353, 84%, 13%)
HSV	hsv(353, 92%, 23%)
CMYK	cmyk(0%, 91.5%, 81.4%, 76.9%)
CIE-LAB	lab(9.50, 26.21, 10.37)
CIE-LCH	lch(9.50, 28.18, 21.59°)
OKLab	oklab(23.01% 0.0771 0.0291)
OKLCH	oklch(23.01% 0.082 20.7)
XYZ	xyz(1.9185, 1.0628, 0.4207)
Luminance	0.0106 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B050B #053B35

analogous

#3B0526 #3B050B #3B1A05

triadic

#3B050B #0B3B05 #050B3B

tetradic

#3B050B #263B05 #053B35 #1A053B

square

#3B050B #263B05 #053B35 #1A053B

split-complementary

#3B050B #053B1A #05263B

monochromatic

#1C0205 #1C0205 #3B050B #730A16 #AC0F20

Accessibility & contrast

On white

17.32

#3B050B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#3B050B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B050B

17.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B050B	#FFFFFF	#000000	##FFFFFF
##3B050B	1.00	17.32	1.21	17.32
#FFFFFF	17.32	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#15130B

Deuteranopia (green-blind)

#231F09

Tritanopia (blue-blind)

#420007

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #3b050b;
/* rgb */ color: rgb(59, 5, 11);
/* oklch */ color: oklch(23.0% 0.082 20.7);

Tailwind

colors: {
  custom: {
    50: '#764b4b',
    500: '#3b050b',
    950: '#000000',
  },
}

SCSS

$custom: #3b050b;
$custom-light: #764b4b;
$custom-dark: #000000;

JSON

{
  "hex": "#3b050b",
  "rgb": {
    "r": 59,
    "g": 5,
    "b": 11
  },
  "hsl": {
    "h": 353.333,
    "s": 84.375,
    "l": 12.549
  },
  "oklch": {
    "l": 0.23008,
    "c": 0.0824,
    "h": 20.7
  },
  "luminance": 0.01063
}

Semantic roles & 50–950 ramp

primary

#3B050B

secondary

#207C72

accent

#FBE42D

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#090101

muted

#7B7777

Preview Lab

Preview with #3B050B

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

Preview Lab → · Contrast checker → · Palette generator →