#321B72#321B72

#321B72 is a dark, vivid violet. Relative luminance 0.027; OKLCH L 31.4% C 0.139 H 287.6°. Best body text is #FFFFFF at 13.68:1 contrast (WCAG AA passes).

Color values

HEX	#321B72
RGB	rgb(50, 27, 114)
HSL	hsl(256, 62%, 28%)
HSV	hsv(256, 76%, 45%)
CMYK	cmyk(56.1%, 76.3%, 0%, 55.3%)
CIE-LAB	lab(18.70, 34.52, -46.11)
CIE-LCH	lch(18.70, 57.61, 306.82°)
OKLab	oklab(31.44% 0.0421 -0.1326)
OKLCH	oklch(31.44% 0.139 287.6)
XYZ	xyz(4.7437, 2.6766, 16.1830)
Luminance	0.0268 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#321B72 #5B721B

analogous

#1B3072 #321B72 #5D1B72

triadic

#321B72 #72321B #1B7232

tetradic

#321B72 #721B30 #5B721B #1B725D

square

#321B72 #721B30 #5B721B #1B725D

split-complementary

#321B72 #725D1B #30721B

monochromatic

#0B0619 #1C0F41 #321B72 #4827A3 #6038D0

Accessibility & contrast

On white

13.68

#321B72 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#321B72 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #321B72

13.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##321B72	#FFFFFF	#000000	##FFFFFF
##321B72	1.00	13.68	1.54	13.68
#FFFFFF	13.68	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F75

Deuteranopia (green-blind)

#002B70

Tritanopia (blue-blind)

#183345

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #321b72;
/* rgb */ color: rgb(50, 27, 114);
/* oklch */ color: oklch(31.4% 0.139 287.6);

Tailwind

colors: {
  custom: {
    50: '#725a9b',
    500: '#321b72',
    950: '#000000',
  },
}

SCSS

$custom: #321b72;
$custom-light: #725a9b;
$custom-dark: #000000;

JSON

{
  "hex": "#321b72",
  "rgb": {
    "r": 50,
    "g": 27,
    "b": 114
  },
  "hsl": {
    "h": 255.862,
    "s": 61.702,
    "l": 27.647
  },
  "oklch": {
    "l": 0.31442,
    "c": 0.13913,
    "h": 287.6
  },
  "luminance": 0.02677
}

Semantic roles & 50–950 ramp

primary

#321B72

secondary

#8CA742

accent

#E543BA

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#08040E

muted

#7B797E

Preview Lab

Preview with #321B72

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

Preview Lab → · Contrast checker → · Palette generator →