#321B81#321B81

#321B81 is a dark, vivid violet. Relative luminance 0.030; OKLCH L 33.0% C 0.158 H 283.9°. Best body text is #FFFFFF at 13.05:1 contrast (WCAG AA passes).

Color values

HEX	#321B81
RGB	rgb(50, 27, 129)
HSL	hsl(254, 65%, 31%)
HSV	hsv(254, 79%, 51%)
CMYK	cmyk(61.2%, 79.1%, 0%, 49.4%)
CIE-LAB	lab(20.23, 39.19, -53.19)
CIE-LCH	lch(20.23, 66.07, 306.38°)
OKLab	oklab(32.98% 0.0381 -0.1533)
OKLCH	oklch(32.98% 0.158 283.9)
XYZ	xyz(5.6686, 3.0466, 21.0540)
Luminance	0.0305 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#321B81 #6A811B

analogous

#1B3781 #321B81 #651B81

triadic

#321B81 #81321B #1B8132

tetradic

#321B81 #811B37 #6A811B #1B8165

square

#321B81 #811B37 #6A811B #1B8165

split-complementary

#321B81 #81651B #37811B

monochromatic

#0B061C #1E104E #321B81 #4626B4 #623FD7

Accessibility & contrast

On white

13.05

#321B81 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#321B81 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #321B81

13.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##321B81	#FFFFFF	#000000	##FFFFFF
##321B81	1.00	13.05	1.61	13.05
#FFFFFF	13.05	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003484

Deuteranopia (green-blind)

#002D7F

Tritanopia (blue-blind)

#00384D

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #321b81;
/* rgb */ color: rgb(50, 27, 129);
/* oklch */ color: oklch(33.0% 0.158 283.9);

Tailwind

colors: {
  custom: {
    50: '#755ba7',
    500: '#321b81',
    950: '#000000',
  },
}

SCSS

$custom: #321b81;
$custom-light: #755ba7;
$custom-dark: #000000;

JSON

{
  "hex": "#321b81",
  "rgb": {
    "r": 50,
    "g": 27,
    "b": 129
  },
  "hsl": {
    "h": 253.529,
    "s": 65.385,
    "l": 30.588
  },
  "oklch": {
    "l": 0.32982,
    "c": 0.15794,
    "h": 283.9
  },
  "luminance": 0.03047
}

Semantic roles & 50–950 ramp

primary

#321B81

secondary

#9BB543

accent

#E83FC2

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #321B81

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

Preview Lab → · Contrast checker → · Palette generator →