#3B0509#3B0509

#3B0509 is a very dark, moderate red. Relative luminance 0.011; OKLCH L 23.0% C 0.083 H 22.7°. Best body text is #FFFFFF at 17.33:1 contrast (WCAG AA passes).

Color values

HEX	#3B0509
RGB	rgb(59, 5, 9)
HSL	hsl(356, 84%, 13%)
HSV	hsv(356, 92%, 23%)
CMYK	cmyk(0%, 91.5%, 84.7%, 76.9%)
CIE-LAB	lab(9.47, 26.10, 11.14)
CIE-LCH	lch(9.47, 28.38, 23.13°)
OKLab	oklab(22.97% 0.0762 0.0318)
OKLCH	oklch(22.97% 0.083 22.7)
XYZ	xyz(1.9074, 1.0584, 0.3622)
Luminance	0.0106 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B0509 #053B37

analogous

#3B0524 #3B0509 #3B1C05

triadic

#3B0509 #093B05 #05093B

tetradic

#3B0509 #243B05 #053B37 #1C053B

square

#3B0509 #243B05 #053B37 #1C053B

split-complementary

#3B0509 #053B1C #05243B

monochromatic

#1C0204 #1C0204 #3B0509 #730A12 #AC0F1A

Accessibility & contrast

On white

17.33

#3B0509 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#3B0509 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B0509

17.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B0509	#FFFFFF	#000000	##FFFFFF
##3B0509	1.00	17.33	1.21	17.33
#FFFFFF	17.33	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#151309

Deuteranopia (green-blind)

#231F07

Tritanopia (blue-blind)

#420007

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #3b0509;
/* rgb */ color: rgb(59, 5, 9);
/* oklch */ color: oklch(23.0% 0.083 22.7);

Tailwind

colors: {
  custom: {
    50: '#764b4a',
    500: '#3b0509',
    950: '#000000',
  },
}

SCSS

$custom: #3b0509;
$custom-light: #764b4a;
$custom-dark: #000000;

JSON

{
  "hex": "#3b0509",
  "rgb": {
    "r": 59,
    "g": 5,
    "b": 9
  },
  "hsl": {
    "h": 355.556,
    "s": 84.375,
    "l": 12.549
  },
  "oklch": {
    "l": 0.2297,
    "c": 0.08256,
    "h": 22.7
  },
  "luminance": 0.01058
}

Semantic roles & 50–950 ramp

primary

#3B0509

secondary

#207C75

accent

#FBEB2D

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#090101

muted

#7B7777

Preview Lab

Preview with #3B0509

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

Preview Lab → · Contrast checker → · Palette generator →