#3B0511#3B0511

#3B0511 is a very dark, moderate red. Relative luminance 0.011; OKLCH L 23.1% C 0.082 H 14.0°. Best body text is #FFFFFF at 17.27:1 contrast (WCAG AA passes).

Color values

HEX	#3B0511
RGB	rgb(59, 5, 17)
HSL	hsl(347, 84%, 13%)
HSV	hsv(347, 92%, 23%)
CMYK	cmyk(0%, 91.5%, 71.2%, 76.9%)
CIE-LAB	lab(9.63, 26.61, 7.52)
CIE-LCH	lch(9.63, 27.65, 15.79°)
OKLab	oklab(23.15% 0.0799 0.02)
OKLCH	oklch(23.15% 0.082 14)
XYZ	xyz(1.9593, 1.0791, 0.6353)
Luminance	0.0108 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B0511 #053B2F

analogous

#3B052C #3B0511 #3B1405

triadic

#3B0511 #113B05 #05113B

tetradic

#3B0511 #2C3B05 #053B2F #14053B

square

#3B0511 #2C3B05 #053B2F #14053B

split-complementary

#3B0511 #053B14 #052C3B

monochromatic

#1C0208 #1C0208 #3B0511 #730A21 #AC0F32

Accessibility & contrast

On white

17.27

#3B0511 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#3B0511 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B0511

17.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B0511	#FFFFFF	#000000	##FFFFFF
##3B0511	1.00	17.27	1.22	17.27
#FFFFFF	17.27	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#141411

Deuteranopia (green-blind)

#221F10

Tritanopia (blue-blind)

#42000A

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #3b0511;
/* rgb */ color: rgb(59, 5, 17);
/* oklch */ color: oklch(23.1% 0.082 14.0);

Tailwind

colors: {
  custom: {
    50: '#754b4f',
    500: '#3b0511',
    950: '#000000',
  },
}

SCSS

$custom: #3b0511;
$custom-light: #754b4f;
$custom-dark: #000000;

JSON

{
  "hex": "#3b0511",
  "rgb": {
    "r": 59,
    "g": 5,
    "b": 17
  },
  "hsl": {
    "h": 346.667,
    "s": 84.375,
    "l": 12.549
  },
  "oklch": {
    "l": 0.23145,
    "c": 0.0824,
    "h": 14
  },
  "luminance": 0.01079
}

Semantic roles & 50–950 ramp

primary

#3B0511

secondary

#207C67

accent

#FBCD2D

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#090101

muted

#7B7777

Preview Lab

Preview with #3B0511

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

Preview Lab → · Contrast checker → · Palette generator →