#321B71#321B71

#321B71 is a dark, vivid violet. Relative luminance 0.027; OKLCH L 31.3% C 0.138 H 287.9°. Best body text is #FFFFFF at 13.72:1 contrast (WCAG AA passes).

Color values

HEX	#321B71
RGB	rgb(50, 27, 113)
HSL	hsl(256, 61%, 27%)
HSV	hsv(256, 76%, 44%)
CMYK	cmyk(55.8%, 76.1%, 0%, 55.7%)
CIE-LAB	lab(18.60, 34.21, -45.63)
CIE-LCH	lch(18.60, 57.03, 306.86°)
OKLab	oklab(31.34% 0.0424 -0.1312)
OKLCH	oklch(31.34% 0.138 287.9)
XYZ	xyz(4.6871, 2.6540, 15.8849)
Luminance	0.0265 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#321B71 #5A711B

analogous

#1B2F71 #321B71 #5D1B71

triadic

#321B71 #71321B #1B7132

tetradic

#321B71 #711B2F #5A711B #1B715D

square

#321B71 #711B2F #5A711B #1B715D

split-complementary

#321B71 #715D1B #2F711B

monochromatic

#0B0619 #1C0F40 #321B71 #4827A2 #6037CF

Accessibility & contrast

On white

13.72

#321B71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#321B71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #321B71

13.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##321B71	#FFFFFF	#000000	##FFFFFF
##321B71	1.00	13.72	1.53	13.72
#FFFFFF	13.72	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F74

Deuteranopia (green-blind)

#002B6F

Tritanopia (blue-blind)

#193244

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #321b71;
/* rgb */ color: rgb(50, 27, 113);
/* oklch */ color: oklch(31.3% 0.138 287.9);

Tailwind

colors: {
  custom: {
    50: '#725a9b',
    500: '#321b71',
    950: '#000000',
  },
}

SCSS

$custom: #321b71;
$custom-light: #725a9b;
$custom-dark: #000000;

JSON

{
  "hex": "#321b71",
  "rgb": {
    "r": 50,
    "g": 27,
    "b": 113
  },
  "hsl": {
    "h": 256.047,
    "s": 61.429,
    "l": 27.451
  },
  "oklch": {
    "l": 0.31343,
    "c": 0.13786,
    "h": 287.9
  },
  "luminance": 0.02654
}

Semantic roles & 50–950 ramp

primary

#321B71

secondary

#8BA642

accent

#E543B9

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#08040E

muted

#7B797E

Preview Lab

Preview with #321B71

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

Preview Lab → · Contrast checker → · Palette generator →