#331F70#331F70

#331F70 is a dark, vivid violet. Relative luminance 0.029; OKLCH L 31.9% C 0.132 H 287.9°. Best body text is #FFFFFF at 13.37:1 contrast (WCAG AA passes).

Color values

HEX	#331F70
RGB	rgb(51, 31, 112)
HSL	hsl(255, 57%, 28%)
HSV	hsv(255, 72%, 44%)
CMYK	cmyk(54.5%, 72.3%, 0%, 56.1%)
CIE-LAB	lab(19.45, 31.76, -43.59)
CIE-LCH	lch(19.45, 53.93, 306.07°)
OKLab	oklab(31.94% 0.0404 -0.1252)
OKLCH	oklch(31.94% 0.132 287.9)
XYZ	xyz(4.7790, 2.8534, 15.6250)
Luminance	0.0285 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331F70 #5C701F

analogous

#1F3370 #331F70 #5B1F70

triadic

#331F70 #70331F #1F7033

tetradic

#331F70 #701F33 #5C701F #1F705B

square

#331F70 #701F33 #5C701F #1F705B

split-complementary

#331F70 #705B1F #33701F

monochromatic

#0B0718 #1D1240 #331F70 #492CA0 #623FCA

Accessibility & contrast

On white

13.37

#331F70 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#331F70 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331F70

13.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331F70	#FFFFFF	#000000	##FFFFFF
##331F70	1.00	13.37	1.57	13.37
#FFFFFF	13.37	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003172

Deuteranopia (green-blind)

#002D6E

Tritanopia (blue-blind)

#1C3445

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #331f70;
/* rgb */ color: rgb(51, 31, 112);
/* oklch */ color: oklch(31.9% 0.132 287.9);

Tailwind

colors: {
  custom: {
    50: '#725c9a',
    500: '#331f70',
    950: '#000000',
  },
}

SCSS

$custom: #331f70;
$custom-light: #725c9a;
$custom-dark: #000000;

JSON

{
  "hex": "#331f70",
  "rgb": {
    "r": 51,
    "g": 31,
    "b": 112
  },
  "hsl": {
    "h": 254.815,
    "s": 56.643,
    "l": 28.039
  },
  "oklch": {
    "l": 0.31941,
    "c": 0.13154,
    "h": 287.9
  },
  "luminance": 0.02854
}

Semantic roles & 50–950 ramp

primary

#331F70

secondary

#8DA447

accent

#E048BA

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#08040E

muted

#7B797E

Preview Lab

Preview with #331F70

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

Preview Lab → · Contrast checker → · Palette generator →