#331F65#331F65

#331F65 is a dark, moderate violet. Relative luminance 0.026; OKLCH L 30.9% C 0.117 H 291.2°. Best body text is #FFFFFF at 13.77:1 contrast (WCAG AA passes).

Color values

HEX	#331F65
RGB	rgb(51, 31, 101)
HSL	hsl(257, 53%, 26%)
HSV	hsv(257, 69%, 40%)
CMYK	cmyk(49.5%, 69.3%, 0%, 60.4%)
CIE-LAB	lab(18.47, 28.25, -38.02)
CIE-LCH	lch(18.47, 47.37, 306.62°)
OKLab	oklab(30.93% 0.0421 -0.1088)
OKLCH	oklch(30.93% 0.117 291.2)
XYZ	xyz(4.2035, 2.6232, 12.5942)
Luminance	0.0262 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331F65 #51651F

analogous

#1F2E65 #331F65 #561F65

triadic

#331F65 #65331F #1F6533

tetradic

#331F65 #651F2E #51651F #1F6556

square

#331F65 #651F2E #51651F #1F6556

split-complementary

#331F65 #65561F #2E651F

monochromatic

#0C0717 #1B1136 #331F65 #4B2D94 #623CC3

Accessibility & contrast

On white

13.77

#331F65 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#331F65 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331F65

13.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331F65	#FFFFFF	#000000	##FFFFFF
##331F65	1.00	13.77	1.52	13.77
#FFFFFF	13.77	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E67

Deuteranopia (green-blind)

#002B64

Tritanopia (blue-blind)

#24303F

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #331f65;
/* rgb */ color: rgb(51, 31, 101);
/* oklch */ color: oklch(30.9% 0.117 291.2);

Tailwind

colors: {
  custom: {
    50: '#705c91',
    500: '#331f65',
    950: '#000000',
  },
}

SCSS

$custom: #331f65;
$custom-light: #705c91;
$custom-dark: #000000;

JSON

{
  "hex": "#331f65",
  "rgb": {
    "r": 51,
    "g": 31,
    "b": 101
  },
  "hsl": {
    "h": 257.143,
    "s": 53.03,
    "l": 25.882
  },
  "oklch": {
    "l": 0.30932,
    "c": 0.11669,
    "h": 291.2
  },
  "luminance": 0.02623
}

Semantic roles & 50–950 ramp

primary

#331F65

secondary

#829946

accent

#DC4BB3

background

#F7F5F9

surface

#EDE9F1

border

#C8C5CB

text

#08040D

muted

#7B797E

Preview Lab

Preview with #331F65

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

Preview Lab → · Contrast checker → · Palette generator →