#3B151D#3B151D

#3B151D is a dark, moderate red. Relative luminance 0.016; OKLCH L 25.7% C 0.061 H 9.2°. Best body text is #FFFFFF at 16.02:1 contrast (WCAG AA passes).

Color values

HEX	#3B151D
RGB	rgb(59, 21, 29)
HSL	hsl(347, 48%, 16%)
HSV	hsv(347, 64%, 23%)
CMYK	cmyk(0%, 64.4%, 50.8%, 76.9%)
CIE-LAB	lab(12.95, 19.69, 3.73)
CIE-LCH	lch(12.95, 20.04, 10.72°)
OKLab	oklab(25.73% 0.0598 0.0097)
OKLCH	oklch(25.73% 0.061 9.2)
XYZ	xyz(2.2937, 1.5551, 1.3415)
Luminance	0.0155 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B151D #153B33

analogous

#3B1530 #3B151D #3B2015

triadic

#3B151D #1D3B15 #151D3B

tetradic

#3B151D #303B15 #153B33 #20153B

square

#3B151D #303B15 #153B33 #20153B

split-complementary

#3B151D #153B20 #15303B

monochromatic

#17080B #17080B #3B151D #682533 #953549

Accessibility & contrast

On white

16.02

#3B151D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#3B151D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B151D

16.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B151D	#FFFFFF	#000000	##FFFFFF
##3B151D	1.00	16.02	1.31	16.02
#FFFFFF	16.02	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	16.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D1D1D

Deuteranopia (green-blind)

#26241C

Tritanopia (blue-blind)

#411018

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #3b151d;
/* rgb */ color: rgb(59, 21, 29);
/* oklch */ color: oklch(25.7% 0.061 9.2);

Tailwind

colors: {
  custom: {
    50: '#735458',
    500: '#3b151d',
    950: '#000000',
  },
}

SCSS

$custom: #3b151d;
$custom-light: #735458;
$custom-dark: #000000;

JSON

{
  "hex": "#3b151d",
  "rgb": {
    "r": 59,
    "g": 21,
    "b": 29
  },
  "hsl": {
    "h": 347.368,
    "s": 47.5,
    "l": 15.686
  },
  "oklch": {
    "l": 0.25729,
    "c": 0.06055,
    "h": 9.2
  },
  "luminance": 0.01555
}

Semantic roles & 50–950 ramp

primary

#3B151D

secondary

#397266

accent

#D7BB51

background

#F7F4F5

surface

#EDE7E9

border

#C8C3C5

text

#080303

muted

#7B7878

Preview Lab

Preview with #3B151D

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

Preview Lab → · Contrast checker → · Palette generator →