#3B110B#3B110B

#3B110B is a very dark, moderate red. Relative luminance 0.014; OKLCH L 24.6% C 0.068 H 30.7°. Best body text is #FFFFFF at 16.52:1 contrast (WCAG AA passes).

Color values

HEX	#3B110B
RGB	rgb(59, 17, 11)
HSL	hsl(8, 69%, 14%)
HSV	hsv(8, 81%, 23%)
CMYK	cmyk(0%, 71.2%, 81.4%, 76.9%)
CIE-LAB	lab(11.66, 20.31, 13.38)
CIE-LCH	lch(11.66, 24.32, 33.38°)
OKLab	oklab(24.62% 0.0584 0.0347)
OKLCH	oklch(24.62% 0.068 30.7)
XYZ	xyz(2.0647, 1.3551, 0.4694)
Luminance	0.0135 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B110B #0B353B

analogous

#3B0B1D #3B110B #3B290B

triadic

#3B110B #0B3B11 #110B3B

tetradic

#3B110B #1D3B0B #0B353B #290B3B

square

#3B110B #1D3B0B #0B353B #290B3B

split-complementary

#3B110B #0B3B29 #0B1D3B

monochromatic

#1A0705 #1A0705 #3B110B #6F2015 #A22F1E

Accessibility & contrast

On white

16.52

#3B110B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#3B110B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B110B

16.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B110B	#FFFFFF	#000000	##FFFFFF
##3B110B	1.00	16.52	1.27	16.52
#FFFFFF	16.52	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C190A

Deuteranopia (green-blind)

#27220A

Tritanopia (blue-blind)

#420810

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #3b110b;
/* rgb */ color: rgb(59, 17, 11);
/* oklch */ color: oklch(24.6% 0.068 30.7);

Tailwind

colors: {
  custom: {
    50: '#75514b',
    500: '#3b110b',
    950: '#000000',
  },
}

SCSS

$custom: #3b110b;
$custom-light: #75514b;
$custom-dark: #000000;

JSON

{
  "hex": "#3b110b",
  "rgb": {
    "r": 59,
    "g": 17,
    "b": 11
  },
  "hsl": {
    "h": 7.5,
    "s": 68.571,
    "l": 13.725
  },
  "oklch": {
    "l": 0.24615,
    "c": 0.06794,
    "h": 30.7
  },
  "luminance": 0.01355
}

Semantic roles & 50–950 ramp

primary

#3B110B

secondary

#2A6E78

accent

#D6EB3C

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#090201

muted

#7B7877

Preview Lab

Preview with #3B110B

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

Preview Lab → · Contrast checker → · Palette generator →