#3B0302#3B0302

#3B0302 is a very dark, moderate red. Relative luminance 0.010; OKLCH L 22.6% C 0.086 H 28.9°. Best body text is #FFFFFF at 17.50:1 contrast (WCAG AA passes).

Color values

HEX	#3B0302
RGB	rgb(59, 3, 2)
HSL	hsl(1, 93%, 12%)
HSV	hsv(1, 97%, 23%)
CMYK	cmyk(0%, 94.9%, 96.6%, 76.9%)
CIE-LAB	lab(8.99, 26.73, 13.31)
CIE-LCH	lch(8.99, 29.86, 26.47°)
OKLab	oklab(22.58% 0.0756 0.0417)
OKLCH	oklch(22.58% 0.086 28.9)
XYZ	xyz(1.8474, 0.9996, 0.1531)
Luminance	0.0100 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B0302 #023A3B

analogous

#3B021E #3B0302 #3B2002

triadic

#3B0302 #023B03 #03023B

tetradic

#3B0302 #1E3B02 #023A3B #20023B

square

#3B0302 #1E3B02 #023A3B #20023B

split-complementary

#3B0302 #023B20 #021E3B

monochromatic

#1E0201 #1E0201 #3B0302 #760604 #B10906

Accessibility & contrast

On white

17.50

#3B0302 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#3B0302 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B0302

17.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B0302	#FFFFFF	#000000	##FFFFFF
##3B0302	1.00	17.50	1.20	17.50
#FFFFFF	17.50	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#151101

Deuteranopia (green-blind)

#231E00

Tritanopia (blue-blind)

#420003

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #3b0302;
/* rgb */ color: rgb(59, 3, 2);
/* oklch */ color: oklch(22.6% 0.086 28.9);

Tailwind

colors: {
  custom: {
    50: '#764a47',
    500: '#3b0302',
    950: '#000000',
  },
}

SCSS

$custom: #3b0302;
$custom-light: #764a47;
$custom-dark: #000000;

JSON

{
  "hex": "#3b0302",
  "rgb": {
    "r": 59,
    "g": 3,
    "b": 2
  },
  "hsl": {
    "h": 1.053,
    "s": 93.443,
    "l": 11.961
  },
  "oklch": {
    "l": 0.22575,
    "c": 0.08634,
    "h": 28.9
  },
  "luminance": 0.00999
}

Semantic roles & 50–950 ramp

primary

#3B0302

secondary

#1A7D7E

accent

#FBFF29

background

#F7F4F4

surface

#EEE7E6

border

#C9C3C2

text

#090100

muted

#7B7777

Preview Lab

Preview with #3B0302

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

Preview Lab → · Contrast checker → · Palette generator →