#3B131D#3B131D

#3B131D is a dark, moderate red. Relative luminance 0.015; OKLCH L 25.4% C 0.064 H 7.3°. Best body text is #FFFFFF at 16.19:1 contrast (WCAG AA passes).

Color values

HEX	#3B131D
RGB	rgb(59, 19, 29)
HSL	hsl(345, 51%, 15%)
HSV	hsv(345, 68%, 23%)
CMYK	cmyk(0%, 67.8%, 50.8%, 76.9%)
CIE-LAB	lab(12.51, 20.86, 3.10)
CIE-LCH	lch(12.51, 21.09, 8.44°)
OKLab	oklab(25.4% 0.0634 0.0082)
OKLCH	oklch(25.4% 0.064 7.3)
XYZ	xyz(2.2584, 1.4845, 1.3298)
Luminance	0.0148 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B131D #133B31

analogous

#3B1331 #3B131D #3B1D13

triadic

#3B131D #1D3B13 #131D3B

tetradic

#3B131D #313B13 #133B31 #1D133B

square

#3B131D #313B13 #133B31 #1D133B

split-complementary

#3B131D #133B1D #13313B

monochromatic

#17070B #17070B #3B131D #692234 #98314B

Accessibility & contrast

On white

16.19

#3B131D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#3B131D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B131D

16.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B131D	#FFFFFF	#000000	##FFFFFF
##3B131D	1.00	16.19	1.30	16.19
#FFFFFF	16.19	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B1C1D

Deuteranopia (green-blind)

#25231C

Tritanopia (blue-blind)

#410E17

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #3b131d;
/* rgb */ color: rgb(59, 19, 29);
/* oklch */ color: oklch(25.4% 0.064 7.3);

Tailwind

colors: {
  custom: {
    50: '#735358',
    500: '#3b131d',
    950: '#000000',
  },
}

SCSS

$custom: #3b131d;
$custom-light: #735358;
$custom-dark: #000000;

JSON

{
  "hex": "#3b131d",
  "rgb": {
    "r": 59,
    "g": 19,
    "b": 29
  },
  "hsl": {
    "h": 345,
    "s": 51.282,
    "l": 15.294
  },
  "oklch": {
    "l": 0.25395,
    "c": 0.06396,
    "h": 7.3
  },
  "luminance": 0.01484
}

Semantic roles & 50–950 ramp

primary

#3B131D

secondary

#367364

accent

#DBB74D

background

#F7F4F5

surface

#EDE7E9

border

#C8C3C5

text

#080203

muted

#7B7878

Preview Lab

Preview with #3B131D

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

Preview Lab → · Contrast checker → · Palette generator →