#3B130D#3B130D

#3B130D is a very dark, moderate red. Relative luminance 0.014; OKLCH L 25.0% C 0.065 H 30.8°. Best body text is #FFFFFF at 16.34:1 contrast (WCAG AA passes).

Color values

HEX	#3B130D
RGB	rgb(59, 19, 13)
HSL	hsl(8, 64%, 14%)
HSV	hsv(8, 78%, 23%)
CMYK	cmyk(0%, 67.8%, 78%, 76.9%)
CIE-LAB	lab(12.12, 19.29, 13.11)
CIE-LCH	lch(12.12, 23.33, 34.20°)
OKLab	oklab(24.98% 0.0558 0.0332)
OKLCH	oklch(24.98% 0.065 30.8)
XYZ	xyz(2.1094, 1.4249, 0.5446)
Luminance	0.0143 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B130D #0D353B

analogous

#3B0D1E #3B130D #3B2A0D

triadic

#3B130D #0D3B13 #130D3B

tetradic

#3B130D #1E3B0D #0D353B #2A0D3B

square

#3B130D #1E3B0D #0D353B #2A0D3B

split-complementary

#3B130D #0D3B2A #0D1E3B

monochromatic

#190806 #190806 #3B130D #6D2318 #9F3323

Accessibility & contrast

On white

16.34

#3B130D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#3B130D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B130D

16.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B130D	#FFFFFF	#000000	##FFFFFF
##3B130D	1.00	16.34	1.29	16.34
#FFFFFF	16.34	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E1A0C

Deuteranopia (green-blind)

#28230C

Tritanopia (blue-blind)

#420B12

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #3b130d;
/* rgb */ color: rgb(59, 19, 13);
/* oklch */ color: oklch(25.0% 0.065 30.8);

Tailwind

colors: {
  custom: {
    50: '#75524c',
    500: '#3b130d',
    950: '#000000',
  },
}

SCSS

$custom: #3b130d;
$custom-light: #75524c;
$custom-dark: #000000;

JSON

{
  "hex": "#3b130d",
  "rgb": {
    "r": 59,
    "g": 19,
    "b": 13
  },
  "hsl": {
    "h": 7.826,
    "s": 63.889,
    "l": 14.118
  },
  "oklch": {
    "l": 0.24978,
    "c": 0.0649,
    "h": 30.8
  },
  "luminance": 0.01425
}

Semantic roles & 50–950 ramp

primary

#3B130D

secondary

#2D6D77

accent

#D1E741

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#090201

muted

#7B7877

Preview Lab

Preview with #3B130D

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

Preview Lab → · Contrast checker → · Palette generator →