#331C67#331C67

#331C67 is a dark, vivid violet. Relative luminance 0.025; OKLCH L 30.6% C 0.124 H 291.4°. Best body text is #FFFFFF at 13.97:1 contrast (WCAG AA passes).

Color values

HEX	#331C67
RGB	rgb(51, 28, 103)
HSL	hsl(258, 57%, 26%)
HSV	hsv(258, 73%, 40%)
CMYK	cmyk(50.5%, 72.8%, 0%, 59.6%)
CIE-LAB	lab(17.98, 30.70, -40.13)
CIE-LCH	lch(17.98, 50.52, 307.42°)
OKLab	oklab(30.64% 0.0452 -0.115)
OKLCH	oklch(30.64% 0.124 291.4)
XYZ	xyz(4.2280, 2.5134, 13.0917)
Luminance	0.0251 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331C67 #50671C

analogous

#1C2A67 #331C67 #581C67

triadic

#331C67 #67331C #1C6733

tetradic

#331C67 #671C2A #50671C #1C6758

square

#331C67 #671C2A #50671C #1C6758

split-complementary

#331C67 #67581C #2A671C

monochromatic

#0C0718 #1B0F37 #331C67 #4B2997 #6336C7

Accessibility & contrast

On white

13.97

#331C67 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#331C67 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331C67

13.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331C67	#FFFFFF	#000000	##FFFFFF
##331C67	1.00	13.97	1.50	13.97
#FFFFFF	13.97	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	13.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D69

Deuteranopia (green-blind)

#002A66

Tritanopia (blue-blind)

#232F3F

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #331c67;
/* rgb */ color: rgb(51, 28, 103);
/* oklch */ color: oklch(30.6% 0.124 291.4);

Tailwind

colors: {
  custom: {
    50: '#705a93',
    500: '#331c67',
    950: '#000000',
  },
}

SCSS

$custom: #331c67;
$custom-light: #705a93;
$custom-dark: #000000;

JSON

{
  "hex": "#331c67",
  "rgb": {
    "r": 51,
    "g": 28,
    "b": 103
  },
  "hsl": {
    "h": 258.4,
    "s": 57.252,
    "l": 25.686
  },
  "oklch": {
    "l": 0.30636,
    "c": 0.12356,
    "h": 291.4
  },
  "luminance": 0.02514
}

Semantic roles & 50–950 ramp

primary

#331C67

secondary

#819C43

accent

#E147B2

background

#F7F5F9

surface

#EDE9F1

border

#C8C5CB

text

#08040D

muted

#7B797E

Preview Lab

Preview with #331C67

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

Preview Lab → · Contrast checker → · Palette generator →