#331C77#331C77

#331C77 is a dark, vivid violet. Relative luminance 0.029; OKLCH L 32.2% C 0.144 H 286.8°. Best body text is #FFFFFF at 13.35:1 contrast (WCAG AA passes).

Color values

HEX	#331C77
RGB	rgb(51, 28, 119)
HSL	hsl(255, 62%, 29%)
HSV	hsv(255, 76%, 47%)
CMYK	cmyk(57.1%, 76.5%, 0%, 53.3%)
CIE-LAB	lab(19.50, 35.69, -48.02)
CIE-LCH	lch(19.50, 59.83, 306.62°)
OKLab	oklab(32.18% 0.0416 -0.1381)
OKLCH	oklch(32.18% 0.144 286.8)
XYZ	xyz(5.1093, 2.8659, 17.7331)
Luminance	0.0287 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331C77 #60771C

analogous

#1C3377 #331C77 #611C77

triadic

#331C77 #77331C #1C7733

tetradic

#331C77 #771C33 #60771C #1C7761

square

#331C77 #771C33 #60771C #1C7761

split-complementary

#331C77 #77611C #33771C

monochromatic

#0B0619 #1E1045 #331C77 #4828A9 #623CD1

Accessibility & contrast

On white

13.35

#331C77 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#331C77 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331C77

13.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331C77	#FFFFFF	#000000	##FFFFFF
##331C77	1.00	13.35	1.57	13.35
#FFFFFF	13.35	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00317A

Deuteranopia (green-blind)

#002D75

Tritanopia (blue-blind)

#153548

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #331c77;
/* rgb */ color: rgb(51, 28, 119);
/* oklch */ color: oklch(32.2% 0.144 286.8);

Tailwind

colors: {
  custom: {
    50: '#735b9f',
    500: '#331c77',
    950: '#000000',
  },
}

SCSS

$custom: #331c77;
$custom-light: #735b9f;
$custom-dark: #000000;

JSON

{
  "hex": "#331c77",
  "rgb": {
    "r": 51,
    "g": 28,
    "b": 119
  },
  "hsl": {
    "h": 255.165,
    "s": 61.905,
    "l": 28.824
  },
  "oklch": {
    "l": 0.32184,
    "c": 0.14427,
    "h": 286.8
  },
  "luminance": 0.02866
}

Semantic roles & 50–950 ramp

primary

#331C77

secondary

#91AB44

accent

#E543BC

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#09040F

muted

#7B797E

Preview Lab

Preview with #331C77

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

Preview Lab → · Contrast checker → · Palette generator →