#3B1B8A#3B1B8A

#3B1B8A is a dark, vivid violet. Relative luminance 0.035; OKLCH L 34.8% C 0.168 H 287.2°. Best body text is #FFFFFF at 12.28:1 contrast (WCAG AA passes).

Color values

HEX	#3B1B8A
RGB	rgb(59, 27, 138)
HSL	hsl(257, 67%, 32%)
HSV	hsv(257, 80%, 54%)
CMYK	cmyk(57.2%, 80.4%, 0%, 45.9%)
CIE-LAB	lab(22.12, 43.08, -55.71)
CIE-LCH	lch(22.12, 70.42, 307.72°)
OKLab	oklab(34.81% 0.0496 -0.1604)
OKLCH	oklch(34.81% 0.168 287.2)
XYZ	xyz(6.7816, 3.5483, 24.3674)
Luminance	0.0355 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B1B8A #6A8A1B

analogous

#1B338A #3B1B8A #721B8A

triadic

#3B1B8A #8A3B1B #1B8A3B

tetradic

#3B1B8A #8A1B33 #6A8A1B #1B8A72

square

#3B1B8A #8A1B33 #6A8A1B #1B8A72

split-complementary

#3B1B8A #8A721B #338A1B

monochromatic

#0F0724 #251157 #3B1B8A #5125BD #7045DB

Accessibility & contrast

On white

12.28

#3B1B8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#3B1B8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B1B8A

12.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B1B8A	#FFFFFF	#000000	##FFFFFF
##3B1B8A	1.00	12.28	1.71	12.28
#FFFFFF	12.28	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00378D

Deuteranopia (green-blind)

#003288

Tritanopia (blue-blind)

#173B52

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #3b1b8a;
/* rgb */ color: rgb(59, 27, 138);
/* oklch */ color: oklch(34.8% 0.168 287.2);

Tailwind

colors: {
  custom: {
    50: '#7b5cad',
    500: '#3b1b8a',
    950: '#000000',
  },
}

SCSS

$custom: #3b1b8a;
$custom-light: #7b5cad;
$custom-dark: #000000;

JSON

{
  "hex": "#3b1b8a",
  "rgb": {
    "r": 59,
    "g": 27,
    "b": 138
  },
  "hsl": {
    "h": 257.297,
    "s": 67.273,
    "l": 32.353
  },
  "oklch": {
    "l": 0.3481,
    "c": 0.16787,
    "h": 287.2
  },
  "luminance": 0.03549
}

Semantic roles & 50–950 ramp

primary

#3B1B8A

secondary

#9ABC45

accent

#EA3EB8

background

#F8F5FA

surface

#EFE9F4

border

#CAC5CE

text

#0A0410

muted

#7C797F

Preview Lab

Preview with #3B1B8A

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

Preview Lab → · Contrast checker → · Palette generator →