#3B130C#3B130C

#3B130C is a very dark, moderate red. Relative luminance 0.014; OKLCH L 25.0% C 0.065 H 31.9°. Best body text is #FFFFFF at 16.35:1 contrast (WCAG AA passes).

Color values

HEX	#3B130C
RGB	rgb(59, 19, 12)
HSL	hsl(9, 66%, 14%)
HSV	hsv(9, 80%, 23%)
CMYK	cmyk(0%, 67.8%, 79.7%, 76.9%)
CIE-LAB	lab(12.11, 19.22, 13.55)
CIE-LCH	lch(12.11, 23.52, 35.19°)
OKLab	oklab(24.96% 0.0553 0.0345)
OKLCH	oklch(24.96% 0.065 31.9)
XYZ	xyz(2.1031, 1.4224, 0.5116)
Luminance	0.0142 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B130C #0C343B

analogous

#3B0C1D #3B130C #3B2B0C

triadic

#3B130C #0C3B13 #130C3B

tetradic

#3B130C #1D3B0C #0C343B #2B0C3B

square

#3B130C #1D3B0C #0C343B #2B0C3B

split-complementary

#3B130C #0C3B2B #0C1D3B

monochromatic

#190805 #190805 #3B130C #6E2316 #A13421

Accessibility & contrast

On white

16.35

#3B130C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#3B130C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B130C

16.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B130C	#FFFFFF	#000000	##FFFFFF
##3B130C	1.00	16.35	1.28	16.35
#FFFFFF	16.35	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E1A0B

Deuteranopia (green-blind)

#28230B

Tritanopia (blue-blind)

#420A12

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #3b130c;
/* rgb */ color: rgb(59, 19, 12);
/* oklch */ color: oklch(25.0% 0.065 31.9);

Tailwind

colors: {
  custom: {
    50: '#75524c',
    500: '#3b130c',
    950: '#000000',
  },
}

SCSS

$custom: #3b130c;
$custom-light: #75524c;
$custom-dark: #000000;

JSON

{
  "hex": "#3b130c",
  "rgb": {
    "r": 59,
    "g": 19,
    "b": 12
  },
  "hsl": {
    "h": 8.936,
    "s": 66.197,
    "l": 13.922
  },
  "oklch": {
    "l": 0.2496,
    "c": 0.06519,
    "h": 31.9
  },
  "luminance": 0.01422
}

Semantic roles & 50–950 ramp

primary

#3B130C

secondary

#2C6C77

accent

#D0E93F

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#090201

muted

#7B7877

Preview Lab

Preview with #3B130C

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

Preview Lab → · Contrast checker → · Palette generator →