#3B0337#3B0337

#3B0337 is a very dark, moderate purple. Relative luminance 0.013; OKLCH L 24.8% C 0.106 H 331.6°. Best body text is #FFFFFF at 16.74:1 contrast (WCAG AA passes).

Color values

HEX	#3B0337
RGB	rgb(59, 3, 55)
HSL	hsl(304, 90%, 12%)
HSV	hsv(304, 95%, 23%)
CMYK	cmyk(0%, 94.9%, 6.8%, 76.9%)
CIE-LAB	lab(11.07, 32.52, -18.26)
CIE-LCH	lch(11.07, 37.30, 330.69°)
OKLab	oklab(24.76% 0.0931 -0.0504)
OKLCH	oklch(24.76% 0.106 331.6)
XYZ	xyz(2.5258, 1.2710, 3.7260)
Luminance	0.0127 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B0337 #033B07

analogous

#23033B #3B0337 #3B031B

triadic

#3B0337 #373B03 #03373B

tetradic

#3B0337 #3B2303 #033B07 #031B3B

square

#3B0337 #3B2303 #033B07 #031B3B

split-complementary

#3B0337 #1B3B03 #033B23

monochromatic

#1D011B #1D011B #3B0337 #75066D #AF09A4

Accessibility & contrast

On white

16.74

#3B0337 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#3B0337 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B0337

16.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B0337	#FFFFFF	#000000	##FFFFFF
##3B0337	1.00	16.74	1.25	16.74
#FFFFFF	16.74	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001938

Deuteranopia (green-blind)

#162036

Tritanopia (blue-blind)

#3E0A1D

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #3b0337;
/* rgb */ color: rgb(59, 3, 55);
/* oklch */ color: oklch(24.8% 0.106 331.6);

Tailwind

colors: {
  custom: {
    50: '#744c6e',
    500: '#3b0337',
    950: '#000000',
  },
}

SCSS

$custom: #3b0337;
$custom-light: #744c6e;
$custom-dark: #000000;

JSON

{
  "hex": "#3b0337",
  "rgb": {
    "r": 59,
    "g": 3,
    "b": 55
  },
  "hsl": {
    "h": 304.286,
    "s": 90.323,
    "l": 12.157
  },
  "oklch": {
    "l": 0.24757,
    "c": 0.10589,
    "h": 331.6
  },
  "luminance": 0.01271
}

Semantic roles & 50–950 ramp

primary

#3B0337

secondary

#1C7E23

accent

#FF3829

background

#F7F4F6

surface

#EDE7EB

border

#C8C3C6

text

#080107

muted

#7B777A

Preview Lab

Preview with #3B0337

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

Preview Lab → · Contrast checker → · Palette generator →