#321B74#321B74

#321B74 is a dark, vivid violet. Relative luminance 0.027; OKLCH L 31.6% C 0.142 H 287.1°. Best body text is #FFFFFF at 13.60:1 contrast (WCAG AA passes).

Color values

HEX	#321B74
RGB	rgb(50, 27, 116)
HSL	hsl(256, 62%, 28%)
HSV	hsv(256, 77%, 45%)
CMYK	cmyk(56.9%, 76.7%, 0%, 54.5%)
CIE-LAB	lab(18.90, 35.15, -47.08)
CIE-LCH	lch(18.90, 58.75, 306.74°)
OKLab	oklab(31.64% 0.0416 -0.1354)
OKLCH	oklch(31.64% 0.142 287.1)
XYZ	xyz(4.8588, 2.7227, 16.7891)
Luminance	0.0272 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#321B74 #5D741B

analogous

#1B3074 #321B74 #5E1B74

triadic

#321B74 #74321B #1B7432

tetradic

#321B74 #741B30 #5D741B #1B745E

square

#321B74 #741B30 #5D741B #1B745E

split-complementary

#321B74 #745E1B #30741B

monochromatic

#0B0619 #1D0F42 #321B74 #4727A6 #6039D1

Accessibility & contrast

On white

13.60

#321B74 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#321B74 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #321B74

13.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##321B74	#FFFFFF	#000000	##FFFFFF
##321B74	1.00	13.60	1.54	13.60
#FFFFFF	13.60	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003077

Deuteranopia (green-blind)

#002B72

Tritanopia (blue-blind)

#163346

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #321b74;
/* rgb */ color: rgb(50, 27, 116);
/* oklch */ color: oklch(31.6% 0.142 287.1);

Tailwind

colors: {
  custom: {
    50: '#725a9d',
    500: '#321b74',
    950: '#000000',
  },
}

SCSS

$custom: #321b74;
$custom-light: #725a9d;
$custom-dark: #000000;

JSON

{
  "hex": "#321b74",
  "rgb": {
    "r": 50,
    "g": 27,
    "b": 116
  },
  "hsl": {
    "h": 255.506,
    "s": 62.238,
    "l": 28.039
  },
  "oklch": {
    "l": 0.31642,
    "c": 0.14169,
    "h": 287.1
  },
  "luminance": 0.02723
}

Semantic roles & 50–950 ramp

primary

#321B74

secondary

#8EA942

accent

#E542BB

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#09040E

muted

#7B797E

Preview Lab

Preview with #321B74

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

Preview Lab → · Contrast checker → · Palette generator →