#321B76#321B76

#321B76 is a dark, vivid violet. Relative luminance 0.028; OKLCH L 31.8% C 0.144 H 286.6°. Best body text is #FFFFFF at 13.51:1 contrast (WCAG AA passes).

Color values

HEX	#321B76
RGB	rgb(50, 27, 118)
HSL	hsl(255, 63%, 28%)
HSV	hsv(255, 77%, 46%)
CMYK	cmyk(57.6%, 77.1%, 0%, 53.7%)
CIE-LAB	lab(19.10, 35.77, -48.04)
CIE-LCH	lch(19.10, 59.89, 306.67°)
OKLab	oklab(31.84% 0.0411 -0.1382)
OKLCH	oklch(31.84% 0.144 286.6)
XYZ	xyz(4.9764, 2.7697, 17.4084)
Luminance	0.0277 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#321B76 #5F761B

analogous

#1B3176 #321B76 #5F1B76

triadic

#321B76 #76321B #1B7632

tetradic

#321B76 #761B31 #5F761B #1B765F

square

#321B76 #761B31 #5F761B #1B765F

split-complementary

#321B76 #765F1B #31761B

monochromatic

#0B0619 #1D1044 #321B76 #4726A8 #603AD2

Accessibility & contrast

On white

13.51

#321B76 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#321B76 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #321B76

13.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##321B76	#FFFFFF	#000000	##FFFFFF
##321B76	1.00	13.51	1.55	13.51
#FFFFFF	13.51	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003179

Deuteranopia (green-blind)

#002C74

Tritanopia (blue-blind)

#143447

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #321b76;
/* rgb */ color: rgb(50, 27, 118);
/* oklch */ color: oklch(31.8% 0.144 286.6);

Tailwind

colors: {
  custom: {
    50: '#725a9e',
    500: '#321b76',
    950: '#000000',
  },
}

SCSS

$custom: #321b76;
$custom-light: #725a9e;
$custom-dark: #000000;

JSON

{
  "hex": "#321b76",
  "rgb": {
    "r": 50,
    "g": 27,
    "b": 118
  },
  "hsl": {
    "h": 255.165,
    "s": 62.759,
    "l": 28.431
  },
  "oklch": {
    "l": 0.31844,
    "c": 0.14422,
    "h": 286.6
  },
  "luminance": 0.0277
}

Semantic roles & 50–950 ramp

primary

#321B76

secondary

#90AA42

accent

#E642BC

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#09040E

muted

#7B797E

Preview Lab

Preview with #321B76

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

Preview Lab → · Contrast checker → · Palette generator →