#3B0B09#3B0B09

#3B0B09 is a very dark, moderate red. Relative luminance 0.012; OKLCH L 23.7% C 0.076 H 27.0°. Best body text is #FFFFFF at 16.97:1 contrast (WCAG AA passes).

Color values

HEX	#3B0B09
RGB	rgb(59, 11, 9)
HSL	hsl(2, 74%, 13%)
HSV	hsv(2, 85%, 23%)
CMYK	cmyk(0%, 81.4%, 84.7%, 76.9%)
CIE-LAB	lab(10.48, 23.28, 12.57)
CIE-LCH	lch(10.48, 26.46, 28.37°)
OKLab	oklab(23.72% 0.0673 0.0343)
OKLCH	oklch(23.72% 0.076 27)
XYZ	xyz(1.9728, 1.1892, 0.3840)
Luminance	0.0119 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B0B09 #09393B

analogous

#3B0920 #3B0B09 #3B2409

triadic

#3B0B09 #093B0B #0B093B

tetradic

#3B0B09 #203B09 #09393B #24093B

square

#3B0B09 #203B09 #09393B #24093B

split-complementary

#3B0B09 #093B24 #09203B

monochromatic

#1B0504 #1B0504 #3B0B09 #701511 #A51F19

Accessibility & contrast

On white

16.97

#3B0B09 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#3B0B09 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B0B09

16.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B0B09	#FFFFFF	#000000	##FFFFFF
##3B0B09	1.00	16.97	1.24	16.97
#FFFFFF	16.97	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#191608

Deuteranopia (green-blind)

#252007

Tritanopia (blue-blind)

#42000B

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #3b0b09;
/* rgb */ color: rgb(59, 11, 9);
/* oklch */ color: oklch(23.7% 0.076 27.0);

Tailwind

colors: {
  custom: {
    50: '#754e4a',
    500: '#3b0b09',
    950: '#000000',
  },
}

SCSS

$custom: #3b0b09;
$custom-light: #754e4a;
$custom-dark: #000000;

JSON

{
  "hex": "#3b0b09",
  "rgb": {
    "r": 59,
    "g": 11,
    "b": 9
  },
  "hsl": {
    "h": 2.4,
    "s": 73.529,
    "l": 13.333
  },
  "oklch": {
    "l": 0.23721,
    "c": 0.07552,
    "h": 27
  },
  "luminance": 0.01189
}

Semantic roles & 50–950 ramp

primary

#3B0B09

secondary

#277679

accent

#E9F038

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#090201

muted

#7B7877

Preview Lab

Preview with #3B0B09

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

Preview Lab → · Contrast checker → · Palette generator →