#3B0905#3B0905

#3B0905 is a very dark, moderate red. Relative luminance 0.011; OKLCH L 23.4% C 0.079 H 29.8°. Best body text is #FFFFFF at 17.11:1 contrast (WCAG AA passes).

Color values

HEX	#3B0905
RGB	rgb(59, 9, 5)
HSL	hsl(4, 84%, 13%)
HSV	hsv(4, 92%, 23%)
CMYK	cmyk(0%, 84.7%, 91.5%, 76.9%)
CIE-LAB	lab(10.08, 23.97, 13.64)
CIE-LCH	lch(10.08, 27.58, 29.64°)
OKLab	oklab(23.4% 0.0682 0.0391)
OKLCH	oklch(23.4% 0.079 29.8)
XYZ	xyz(1.9289, 1.1364, 0.2613)
Luminance	0.0114 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B0905 #05373B

analogous

#3B051C #3B0905 #3B2405

triadic

#3B0905 #053B09 #09053B

tetradic

#3B0905 #1C3B05 #05373B #24053B

square

#3B0905 #1C3B05 #05373B #24053B

split-complementary

#3B0905 #053B24 #051C3B

monochromatic

#1C0402 #1C0402 #3B0905 #73120A #AC1A0F

Accessibility & contrast

On white

17.11

#3B0905 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#3B0905 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B0905

17.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B0905	#FFFFFF	#000000	##FFFFFF
##3B0905	1.00	17.11	1.23	17.11
#FFFFFF	17.11	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#181504

Deuteranopia (green-blind)

#252004

Tritanopia (blue-blind)

#420008

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #3b0905;
/* rgb */ color: rgb(59, 9, 5);
/* oklch */ color: oklch(23.4% 0.079 29.8);

Tailwind

colors: {
  custom: {
    50: '#764d49',
    500: '#3b0905',
    950: '#000000',
  },
}

SCSS

$custom: #3b0905;
$custom-light: #764d49;
$custom-dark: #000000;

JSON

{
  "hex": "#3b0905",
  "rgb": {
    "r": 59,
    "g": 9,
    "b": 5
  },
  "hsl": {
    "h": 4.444,
    "s": 84.375,
    "l": 12.549
  },
  "oklch": {
    "l": 0.23403,
    "c": 0.0786,
    "h": 29.8
  },
  "luminance": 0.01136
}

Semantic roles & 50–950 ramp

primary

#3B0905

secondary

#20757C

accent

#EBFB2D

background

#F7F4F4

surface

#EEE7E6

border

#C9C3C2

text

#090100

muted

#7B7777

Preview Lab

Preview with #3B0905

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

Preview Lab → · Contrast checker → · Palette generator →