#3B090B#3B090B

#3B090B is a very dark, moderate red. Relative luminance 0.011; OKLCH L 23.5% C 0.077 H 23.5°. Best body text is #FFFFFF at 17.08:1 contrast (WCAG AA passes).

Color values

HEX	#3B090B
RGB	rgb(59, 9, 11)
HSL	hsl(358, 74%, 13%)
HSV	hsv(358, 85%, 23%)
CMYK	cmyk(0%, 84.7%, 81.4%, 76.9%)
CIE-LAB	lab(10.18, 24.31, 11.33)
CIE-LCH	lch(10.18, 26.82, 24.99°)
OKLab	oklab(23.51% 0.0711 0.0309)
OKLCH	oklch(23.51% 0.077 23.5)
XYZ	xyz(1.9619, 1.1496, 0.4351)
Luminance	0.0115 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B090B #093B39

analogous

#3B0924 #3B090B #3B2009

triadic

#3B090B #0B3B09 #090B3B

tetradic

#3B090B #243B09 #093B39 #20093B

square

#3B090B #243B09 #093B39 #20093B

split-complementary

#3B090B #093B20 #09243B

monochromatic

#1B0405 #1B0405 #3B090B #701115 #A5191F

Accessibility & contrast

On white

17.08

#3B090B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#3B090B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B090B

17.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B090B	#FFFFFF	#000000	##FFFFFF
##3B090B	1.00	17.08	1.23	17.08
#FFFFFF	17.08	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#18150B

Deuteranopia (green-blind)

#242009

Tritanopia (blue-blind)

#42000A

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #3b090b;
/* rgb */ color: rgb(59, 9, 11);
/* oklch */ color: oklch(23.5% 0.077 23.5);

Tailwind

colors: {
  custom: {
    50: '#754d4b',
    500: '#3b090b',
    950: '#000000',
  },
}

SCSS

$custom: #3b090b;
$custom-light: #754d4b;
$custom-dark: #000000;

JSON

{
  "hex": "#3b090b",
  "rgb": {
    "r": 59,
    "g": 9,
    "b": 11
  },
  "hsl": {
    "h": 357.6,
    "s": 73.529,
    "l": 13.333
  },
  "oklch": {
    "l": 0.2351,
    "c": 0.07747,
    "h": 23.5
  },
  "luminance": 0.01149
}

Semantic roles & 50–950 ramp

primary

#3B090B

secondary

#277976

accent

#F0E938

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#090101

muted

#7B7777

Preview Lab

Preview with #3B090B

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

Preview Lab → · Contrast checker → · Palette generator →