#3B150A#3B150A

#3B150A is a dark, moderate red. Relative luminance 0.015; OKLCH L 25.3% C 0.063 H 36.9°. Best body text is #FFFFFF at 16.18:1 contrast (WCAG AA passes).

Color values

HEX	#3B150A
RGB	rgb(59, 21, 10)
HSL	hsl(13, 71%, 14%)
HSV	hsv(13, 83%, 23%)
CMYK	cmyk(0%, 64.4%, 83.1%, 76.9%)
CIE-LAB	lab(12.53, 17.91, 15.00)
CIE-LCH	lch(12.53, 23.36, 39.94°)
OKLab	oklab(25.27% 0.0508 0.0381)
OKLCH	oklch(25.27% 0.063 36.9)
XYZ	xyz(2.1268, 1.4883, 0.4624)
Luminance	0.0149 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B150A #0A303B

analogous

#3B0A17 #3B150A #3B2D0A

triadic

#3B150A #0A3B15 #150A3B

tetradic

#3B150A #173B0A #0A303B #2D0A3B

square

#3B150A #173B0A #0A303B #2D0A3B

split-complementary

#3B150A #0A3B2D #0A173B

monochromatic

#1A0904 #1A0904 #3B150A #6F2813 #A43A1C

Accessibility & contrast

On white

16.18

#3B150A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#3B150A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B150A

16.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B150A	#FFFFFF	#000000	##FFFFFF
##3B150A	1.00	16.18	1.30	16.18
#FFFFFF	16.18	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F1B09

Deuteranopia (green-blind)

#292409

Tritanopia (blue-blind)

#420D13

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #3b150a;
/* rgb */ color: rgb(59, 21, 10);
/* oklch */ color: oklch(25.3% 0.063 36.9);

Tailwind

colors: {
  custom: {
    50: '#75544b',
    500: '#3b150a',
    950: '#000000',
  },
}

SCSS

$custom: #3b150a;
$custom-light: #75544b;
$custom-dark: #000000;

JSON

{
  "hex": "#3b150a",
  "rgb": {
    "r": 59,
    "g": 21,
    "b": 10
  },
  "hsl": {
    "h": 13.469,
    "s": 71.014,
    "l": 13.529
  },
  "oklch": {
    "l": 0.25274,
    "c": 0.06345,
    "h": 36.9
  },
  "luminance": 0.01488
}

Semantic roles & 50–950 ramp

primary

#3B150A

secondary

#286678

accent

#C5EE3A

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#090201

muted

#7B7877

Preview Lab

Preview with #3B150A

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

Preview Lab → · Contrast checker → · Palette generator →