#331777#331777

#331777 is a dark, vivid violet. Relative luminance 0.026; OKLCH L 31.5% C 0.150 H 287.8°. Best body text is #FFFFFF at 13.73:1 contrast (WCAG AA passes).

Color values

HEX	#331777
RGB	rgb(51, 23, 119)
HSL	hsl(258, 68%, 28%)
HSV	hsv(258, 81%, 47%)
CMYK	cmyk(57.1%, 80.7%, 0%, 53.3%)
CIE-LAB	lab(18.58, 38.32, -49.53)
CIE-LCH	lch(18.58, 62.62, 307.73°)
OKLab	oklab(31.54% 0.0456 -0.1425)
OKLCH	oklch(31.54% 0.15 287.8)
XYZ	xyz(5.0004, 2.6482, 17.6969)
Luminance	0.0265 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331777 #5B7717

analogous

#172B77 #331777 #631777

triadic

#331777 #773317 #177733

tetradic

#331777 #77172B #5B7717 #177763

square

#331777 #77172B #5B7717 #177763

split-complementary

#331777 #776317 #2B7717

monochromatic

#0B051A #1D0D44 #331777 #4921AA #6231D7

Accessibility & contrast

On white

13.73

#331777 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#331777 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331777

13.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331777	#FFFFFF	#000000	##FFFFFF
##331777	1.00	13.73	1.53	13.73
#FFFFFF	13.73	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F7A

Deuteranopia (green-blind)

#002B75

Tritanopia (blue-blind)

#163347

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #331777;
/* rgb */ color: rgb(51, 23, 119);
/* oklch */ color: oklch(31.5% 0.150 287.8);

Tailwind

colors: {
  custom: {
    50: '#74589f',
    500: '#331777',
    950: '#000000',
  },
}

SCSS

$custom: #331777;
$custom-light: #74589f;
$custom-dark: #000000;

JSON

{
  "hex": "#331777",
  "rgb": {
    "r": 51,
    "g": 23,
    "b": 119
  },
  "hsl": {
    "h": 257.5,
    "s": 67.606,
    "l": 27.843
  },
  "oklch": {
    "l": 0.31536,
    "c": 0.14967,
    "h": 287.8
  },
  "luminance": 0.02649
}

Semantic roles & 50–950 ramp

primary

#331777

secondary

#8CAC3E

accent

#EA3DB8

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#09030F

muted

#7B787E

Preview Lab

Preview with #331777

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

Preview Lab → · Contrast checker → · Palette generator →