#331C7F#331C7F

#331C7F is a dark, vivid violet. Relative luminance 0.031; OKLCH L 33.0% C 0.154 H 284.8°. Best body text is #FFFFFF at 13.02:1 contrast (WCAG AA passes).

Color values

HEX	#331C7F
RGB	rgb(51, 28, 127)
HSL	hsl(254, 64%, 30%)
HSV	hsv(254, 78%, 50%)
CMYK	cmyk(59.8%, 78%, 0%, 50.2%)
CIE-LAB	lab(20.31, 38.18, -51.79)
CIE-LCH	lch(20.31, 64.34, 306.40°)
OKLab	oklab(33% 0.0395 -0.1492)
OKLCH	oklch(33% 0.154 284.8)
XYZ	xyz(5.6101, 3.0663, 20.3708)
Luminance	0.0307 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331C7F #687F1C

analogous

#1C377F #331C7F #641C7F

triadic

#331C7F #7F331C #1C7F33

tetradic

#331C7F #7F1C37 #687F1C #1C7F64

square

#331C7F #7F1C37 #687F1C #1C7F64

split-complementary

#331C7F #7F641C #377F1C

monochromatic

#0B061B #1F114D #331C7F #4727B1 #6340D5

Accessibility & contrast

On white

13.02

#331C7F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#331C7F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331C7F

13.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331C7F	#FFFFFF	#000000	##FFFFFF
##331C7F	1.00	13.02	1.61	13.02
#FFFFFF	13.02	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003482

Deuteranopia (green-blind)

#002E7D

Tritanopia (blue-blind)

#09384C

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #331c7f;
/* rgb */ color: rgb(51, 28, 127);
/* oklch */ color: oklch(33.0% 0.154 284.8);

Tailwind

colors: {
  custom: {
    50: '#755ba5',
    500: '#331c7f',
    950: '#000000',
  },
}

SCSS

$custom: #331c7f;
$custom-light: #755ba5;
$custom-dark: #000000;

JSON

{
  "hex": "#331c7f",
  "rgb": {
    "r": 51,
    "g": 28,
    "b": 127
  },
  "hsl": {
    "h": 253.939,
    "s": 63.871,
    "l": 30.392
  },
  "oklch": {
    "l": 0.32999,
    "c": 0.15431,
    "h": 284.8
  },
  "luminance": 0.03067
}

Semantic roles & 50–950 ramp

primary

#331C7F

secondary

#99B344

accent

#E741C0

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#09040F

muted

#7B797F

Preview Lab

Preview with #331C7F

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

Preview Lab → · Contrast checker → · Palette generator →