#3B0C09#3B0C09

#3B0C09 is a very dark, moderate red. Relative luminance 0.012; OKLCH L 23.9% C 0.074 H 27.8°. Best body text is #FFFFFF at 16.90:1 contrast (WCAG AA passes).

Color values

HEX	#3B0C09
RGB	rgb(59, 12, 9)
HSL	hsl(4, 74%, 13%)
HSV	hsv(4, 85%, 23%)
CMYK	cmyk(0%, 79.7%, 84.7%, 76.9%)
CIE-LAB	lab(10.65, 22.81, 12.81)
CIE-LCH	lch(10.65, 26.16, 29.33°)
OKLab	oklab(23.85% 0.0658 0.0347)
OKLCH	oklch(23.85% 0.074 27.8)
XYZ	xyz(1.9846, 1.2128, 0.3880)
Luminance	0.0121 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B0C09 #09383B

analogous

#3B091F #3B0C09 #3B2509

triadic

#3B0C09 #093B0C #0C093B

tetradic

#3B0C09 #1F3B09 #09383B #25093B

square

#3B0C09 #1F3B09 #09383B #25093B

split-complementary

#3B0C09 #093B25 #091F3B

monochromatic

#1B0504 #1B0504 #3B0C09 #701711 #A52219

Accessibility & contrast

On white

16.90

#3B0C09 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#3B0C09 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B0C09

16.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B0C09	#FFFFFF	#000000	##FFFFFF
##3B0C09	1.00	16.90	1.24	16.90
#FFFFFF	16.90	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#191608

Deuteranopia (green-blind)

#252108

Tritanopia (blue-blind)

#42010C

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #3b0c09;
/* rgb */ color: rgb(59, 12, 9);
/* oklch */ color: oklch(23.9% 0.074 27.8);

Tailwind

colors: {
  custom: {
    50: '#754e4a',
    500: '#3b0c09',
    950: '#000000',
  },
}

SCSS

$custom: #3b0c09;
$custom-light: #754e4a;
$custom-dark: #000000;

JSON

{
  "hex": "#3b0c09",
  "rgb": {
    "r": 59,
    "g": 12,
    "b": 9
  },
  "hsl": {
    "h": 3.6,
    "s": 73.529,
    "l": 13.333
  },
  "oklch": {
    "l": 0.23851,
    "c": 0.07439,
    "h": 27.8
  },
  "luminance": 0.01212
}

Semantic roles & 50–950 ramp

primary

#3B0C09

secondary

#277479

accent

#E5F038

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#090201

muted

#7B7877

Preview Lab

Preview with #3B0C09

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

Preview Lab → · Contrast checker → · Palette generator →