#3B110A#3B110A

#3B110A is a very dark, moderate red. Relative luminance 0.014; OKLCH L 24.6% C 0.068 H 31.7°. Best body text is #FFFFFF at 16.53:1 contrast (WCAG AA passes).

Color values

HEX	#3B110A
RGB	rgb(59, 17, 10)
HSL	hsl(9, 71%, 14%)
HSV	hsv(9, 83%, 23%)
CMYK	cmyk(0%, 71.2%, 83.1%, 76.9%)
CIE-LAB	lab(11.64, 20.24, 13.78)
CIE-LCH	lch(11.64, 24.49, 34.24°)
OKLab	oklab(24.6% 0.058 0.0359)
OKLCH	oklch(24.6% 0.068 31.7)
XYZ	xyz(2.0591, 1.3529, 0.4398)
Luminance	0.0135 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B110A #0A343B

analogous

#3B0A1B #3B110A #3B290A

triadic

#3B110A #0A3B11 #110A3B

tetradic

#3B110A #1B3B0A #0A343B #290A3B

square

#3B110A #1B3B0A #0A343B #290A3B

split-complementary

#3B110A #0A3B29 #0A1B3B

monochromatic

#1A0804 #1A0804 #3B110A #6F2013 #A42F1C

Accessibility & contrast

On white

16.53

#3B110A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#3B110A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B110A

16.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B110A	#FFFFFF	#000000	##FFFFFF
##3B110A	1.00	16.53	1.27	16.53
#FFFFFF	16.53	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C1909

Deuteranopia (green-blind)

#272209

Tritanopia (blue-blind)

#420710

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #3b110a;
/* rgb */ color: rgb(59, 17, 10);
/* oklch */ color: oklch(24.6% 0.068 31.7);

Tailwind

colors: {
  custom: {
    50: '#75514b',
    500: '#3b110a',
    950: '#000000',
  },
}

SCSS

$custom: #3b110a;
$custom-light: #75514b;
$custom-dark: #000000;

JSON

{
  "hex": "#3b110a",
  "rgb": {
    "r": 59,
    "g": 17,
    "b": 10
  },
  "hsl": {
    "h": 8.571,
    "s": 71.014,
    "l": 13.529
  },
  "oklch": {
    "l": 0.24599,
    "c": 0.06821,
    "h": 31.7
  },
  "luminance": 0.01353
}

Semantic roles & 50–950 ramp

primary

#3B110A

secondary

#286D78

accent

#D4EE3A

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#090201

muted

#7B7877

Preview Lab

Preview with #3B110A

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

Preview Lab → · Contrast checker → · Palette generator →