#321B77#321B77

#321B77 is a dark, vivid violet. Relative luminance 0.028; OKLCH L 31.9% C 0.145 H 286.3°. Best body text is #FFFFFF at 13.47:1 contrast (WCAG AA passes).

Color values

HEX	#321B77
RGB	rgb(50, 27, 119)
HSL	hsl(255, 63%, 29%)
HSV	hsv(255, 77%, 47%)
CMYK	cmyk(58%, 77.3%, 0%, 53.3%)
CIE-LAB	lab(19.20, 36.08, -48.51)
CIE-LCH	lch(19.20, 60.46, 306.64°)
OKLab	oklab(31.95% 0.0409 -0.1396)
OKLCH	oklch(31.95% 0.145 286.3)
XYZ	xyz(5.0361, 2.7936, 17.7230)
Luminance	0.0279 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#321B77 #60771B

analogous

#1B3277 #321B77 #601B77

triadic

#321B77 #77321B #1B7732

tetradic

#321B77 #771B32 #60771B #1B7760

square

#321B77 #771B32 #60771B #1B7760

split-complementary

#321B77 #77601B #32771B

monochromatic

#0A0619 #1D1045 #321B77 #4726A9 #603AD2

Accessibility & contrast

On white

13.47

#321B77 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#321B77 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #321B77

13.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##321B77	#FFFFFF	#000000	##FFFFFF
##321B77	1.00	13.47	1.56	13.47
#FFFFFF	13.47	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00317A

Deuteranopia (green-blind)

#002C75

Tritanopia (blue-blind)

#123447

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #321b77;
/* rgb */ color: rgb(50, 27, 119);
/* oklch */ color: oklch(31.9% 0.145 286.3);

Tailwind

colors: {
  custom: {
    50: '#735a9f',
    500: '#321b77',
    950: '#000000',
  },
}

SCSS

$custom: #321b77;
$custom-light: #735a9f;
$custom-dark: #000000;

JSON

{
  "hex": "#321b77",
  "rgb": {
    "r": 50,
    "g": 27,
    "b": 119
  },
  "hsl": {
    "h": 255,
    "s": 63.014,
    "l": 28.627
  },
  "oklch": {
    "l": 0.31946,
    "c": 0.14548,
    "h": 286.3
  },
  "luminance": 0.02794
}

Semantic roles & 50–950 ramp

primary

#321B77

secondary

#91AB42

accent

#E642BD

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#09040F

muted

#7B797E

Preview Lab

Preview with #321B77

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

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