#3B151A#3B151A

#3B151A is a dark, moderate red. Relative luminance 0.015; OKLCH L 25.6% C 0.060 H 14.3°. Best body text is #FFFFFF at 16.05:1 contrast (WCAG AA passes).

Color values

HEX	#3B151A
RGB	rgb(59, 21, 26)
HSL	hsl(352, 48%, 16%)
HSV	hsv(352, 64%, 23%)
CMYK	cmyk(0%, 64.4%, 55.9%, 76.9%)
CIE-LAB	lab(12.87, 19.32, 5.82)
CIE-LCH	lch(12.87, 20.18, 16.76°)
OKLab	oklab(25.63% 0.0583 0.0148)
OKLCH	oklch(25.63% 0.06 14.3)
XYZ	xyz(2.2584, 1.5410, 1.1556)
Luminance	0.0154 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B151A #153B36

analogous

#3B152D #3B151A #3B2315

triadic

#3B151A #1A3B15 #151A3B

tetradic

#3B151A #2D3B15 #153B36 #23153B

square

#3B151A #2D3B15 #153B36 #23153B

split-complementary

#3B151A #153B23 #152D3B

monochromatic

#17080A #17080A #3B151A #68252E #953542

Accessibility & contrast

On white

16.05

#3B151A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#3B151A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B151A

16.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B151A	#FFFFFF	#000000	##FFFFFF
##3B151A	1.00	16.05	1.31	16.05
#FFFFFF	16.05	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	16.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D1C1A

Deuteranopia (green-blind)

#272419

Tritanopia (blue-blind)

#411017

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #3b151a;
/* rgb */ color: rgb(59, 21, 26);
/* oklch */ color: oklch(25.6% 0.060 14.3);

Tailwind

colors: {
  custom: {
    50: '#745456',
    500: '#3b151a',
    950: '#000000',
  },
}

SCSS

$custom: #3b151a;
$custom-light: #745456;
$custom-dark: #000000;

JSON

{
  "hex": "#3b151a",
  "rgb": {
    "r": 59,
    "g": 21,
    "b": 26
  },
  "hsl": {
    "h": 352.105,
    "s": 47.5,
    "l": 15.686
  },
  "oklch": {
    "l": 0.25634,
    "c": 0.06019,
    "h": 14.3
  },
  "luminance": 0.01541
}

Semantic roles & 50–950 ramp

primary

#3B151A

secondary

#39726B

accent

#D7C551

background

#F7F4F5

surface

#EDE7E9

border

#C8C3C5

text

#080303

muted

#7B7878

Preview Lab

Preview with #3B151A

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

Preview Lab → · Contrast checker → · Palette generator →