#3D130B#3D130B

#3D130B is a dark, moderate red. Relative luminance 0.015; OKLCH L 25.3% C 0.068 H 32.7°. Best body text is #FFFFFF at 16.20:1 contrast (WCAG AA passes).

Color values

HEX	#3D130B
RGB	rgb(61, 19, 11)
HSL	hsl(10, 69%, 14%)
HSV	hsv(10, 82%, 24%)
CMYK	cmyk(0%, 68.9%, 82%, 76.1%)
CIE-LAB	lab(12.50, 20.06, 14.59)
CIE-LCH	lch(12.50, 24.81, 36.04°)
OKLab	oklab(25.33% 0.0574 0.0369)
OKLCH	oklch(25.33% 0.068 32.7)
XYZ	xyz(2.2180, 1.4823, 0.4859)
Luminance	0.0148 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D130B #0B353D

analogous

#3D0B1C #3D130B #3D2C0B

triadic

#3D130B #0B3D13 #130B3D

tetradic

#3D130B #1C3D0B #0B353D #2C0B3D

square

#3D130B #1C3D0B #0B353D #2C0B3D

split-complementary

#3D130B #0B3D2C #0B1C3D

monochromatic

#1A0805 #1A0805 #3D130B #712314 #A5331E

Accessibility & contrast

On white

16.20

#3D130B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#3D130B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D130B

16.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D130B	#FFFFFF	#000000	##FFFFFF
##3D130B	1.00	16.20	1.30	16.20
#FFFFFF	16.20	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E1B0A

Deuteranopia (green-blind)

#29240A

Tritanopia (blue-blind)

#440A11

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #3d130b;
/* rgb */ color: rgb(61, 19, 11);
/* oklch */ color: oklch(25.3% 0.068 32.7);

Tailwind

colors: {
  custom: {
    50: '#77524b',
    500: '#3d130b',
    950: '#000000',
  },
}

SCSS

$custom: #3d130b;
$custom-light: #77524b;
$custom-dark: #000000;

JSON

{
  "hex": "#3d130b",
  "rgb": {
    "r": 61,
    "g": 19,
    "b": 11
  },
  "hsl": {
    "h": 9.6,
    "s": 69.444,
    "l": 14.118
  },
  "oklch": {
    "l": 0.25327,
    "c": 0.06822,
    "h": 32.7
  },
  "luminance": 0.01482
}

Semantic roles & 50–950 ramp

primary

#3D130B

secondary

#2A6D7A

accent

#D0EC3C

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#090201

muted

#7B7877

Preview Lab

Preview with #3D130B

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

Preview Lab → · Contrast checker → · Palette generator →