#3B0604#3B0604

#3B0604 is a very dark, moderate red. Relative luminance 0.011; OKLCH L 23.0% C 0.082 H 28.7°. Best body text is #FFFFFF at 17.30:1 contrast (WCAG AA passes).

Color values

HEX	#3B0604
RGB	rgb(59, 6, 4)
HSL	hsl(2, 87%, 12%)
HSV	hsv(2, 93%, 23%)
CMYK	cmyk(0%, 89.8%, 93.2%, 76.9%)
CIE-LAB	lab(9.55, 25.33, 13.30)
CIE-LCH	lch(9.55, 28.61, 27.71°)
OKLab	oklab(23.01% 0.0721 0.0395)
OKLCH	oklch(23.01% 0.082 28.7)
XYZ	xyz(1.8909, 1.0691, 0.2216)
Luminance	0.0107 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B0604 #04393B

analogous

#3B041D #3B0604 #3B2204

triadic

#3B0604 #043B06 #06043B

tetradic

#3B0604 #1D3B04 #04393B #22043B

square

#3B0604 #1D3B04 #04393B #22043B

split-complementary

#3B0604 #043B22 #041D3B

monochromatic

#1D0302 #1D0302 #3B0604 #740C08 #AE120C

Accessibility & contrast

On white

17.30

#3B0604 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#3B0604 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B0604

17.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B0604	#FFFFFF	#000000	##FFFFFF
##3B0604	1.00	17.30	1.21	17.30
#FFFFFF	17.30	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#171303

Deuteranopia (green-blind)

#241F02

Tritanopia (blue-blind)

#420006

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #3b0604;
/* rgb */ color: rgb(59, 6, 4);
/* oklch */ color: oklch(23.0% 0.082 28.7);

Tailwind

colors: {
  custom: {
    50: '#764b48',
    500: '#3b0604',
    950: '#000000',
  },
}

SCSS

$custom: #3b0604;
$custom-light: #764b48;
$custom-dark: #000000;

JSON

{
  "hex": "#3b0604",
  "rgb": {
    "r": 59,
    "g": 6,
    "b": 4
  },
  "hsl": {
    "h": 2.182,
    "s": 87.302,
    "l": 12.353
  },
  "oklch": {
    "l": 0.23006,
    "c": 0.0822,
    "h": 28.7
  },
  "luminance": 0.01069
}

Semantic roles & 50–950 ramp

primary

#3B0604

secondary

#1E797D

accent

#F6FD2A

background

#F7F4F4

surface

#EEE7E6

border

#C9C3C2

text

#090100

muted

#7B7777

Preview Lab

Preview with #3B0604

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

Preview Lab → · Contrast checker → · Palette generator →