#3B111B#3B111B

#3B111B is a dark, moderate red. Relative luminance 0.014; OKLCH L 25.0% C 0.067 H 8.7°. Best body text is #FFFFFF at 16.38:1 contrast (WCAG AA passes).

Color values

HEX	#3B111B
RGB	rgb(59, 17, 27)
HSL	hsl(346, 55%, 15%)
HSV	hsv(346, 71%, 23%)
CMYK	cmyk(0%, 71.2%, 54.2%, 76.9%)
CIE-LAB	lab(12.02, 21.74, 3.90)
CIE-LCH	lch(12.02, 22.09, 10.16°)
OKLab	oklab(25.01% 0.0661 0.0101)
OKLCH	oklch(25.01% 0.067 8.7)
XYZ	xyz(2.2021, 1.4101, 1.1929)
Luminance	0.0141 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B111B #113B31

analogous

#3B1130 #3B111B #3B1C11

triadic

#3B111B #1B3B11 #111B3B

tetradic

#3B111B #303B11 #113B31 #1C113B

square

#3B111B #303B11 #113B31 #1C113B

split-complementary

#3B111B #113B1C #11303B

monochromatic

#18070B #18070B #3B111B #6B1F31 #9A2C46

Accessibility & contrast

On white

16.38

#3B111B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#3B111B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B111B

16.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B111B	#FFFFFF	#000000	##FFFFFF
##3B111B	1.00	16.38	1.28	16.38
#FFFFFF	16.38	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A1A1B

Deuteranopia (green-blind)

#25231A

Tritanopia (blue-blind)

#410B15

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #3b111b;
/* rgb */ color: rgb(59, 17, 27);
/* oklch */ color: oklch(25.0% 0.067 8.7);

Tailwind

colors: {
  custom: {
    50: '#745157',
    500: '#3b111b',
    950: '#000000',
  },
}

SCSS

$custom: #3b111b;
$custom-light: #745157;
$custom-dark: #000000;

JSON

{
  "hex": "#3b111b",
  "rgb": {
    "r": 59,
    "g": 17,
    "b": 27
  },
  "hsl": {
    "h": 345.714,
    "s": 55.263,
    "l": 14.902
  },
  "oklch": {
    "l": 0.25012,
    "c": 0.06683,
    "h": 8.7
  },
  "luminance": 0.0141
}

Semantic roles & 50–950 ramp

primary

#3B111B

secondary

#337465

accent

#DFBB49

background

#F7F4F5

surface

#EDE7E9

border

#C8C3C5

text

#080203

muted

#7B7878

Preview Lab

Preview with #3B111B

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

Preview Lab → · Contrast checker → · Palette generator →