#331E68#331E68

#331E68 is a dark, vivid violet. Relative luminance 0.026; OKLCH L 31.0% C 0.122 H 290.5°. Best body text is #FFFFFF at 13.76:1 contrast (WCAG AA passes).

Color values

HEX	#331E68
RGB	rgb(51, 30, 104)
HSL	hsl(257, 55%, 26%)
HSV	hsv(257, 71%, 41%)
CMYK	cmyk(51%, 71.2%, 0%, 59.2%)
CIE-LAB	lab(18.50, 29.82, -39.93)
CIE-LCH	lch(18.50, 49.83, 306.75°)
OKLab	oklab(31.04% 0.0428 -0.1144)
OKLCH	oklch(31.04% 0.122 290.5)
XYZ	xyz(4.3275, 2.6317, 13.3740)
Luminance	0.0263 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331E68 #53681E

analogous

#1E2E68 #331E68 #581E68

triadic

#331E68 #68331E #1E6833

tetradic

#331E68 #681E2E #53681E #1E6858

square

#331E68 #681E2E #53681E #1E6858

split-complementary

#331E68 #68581E #2E681E

monochromatic

#0C0718 #1C1039 #331E68 #4A2C98 #623AC6

Accessibility & contrast

On white

13.76

#331E68 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#331E68 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331E68

13.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331E68	#FFFFFF	#000000	##FFFFFF
##331E68	1.00	13.76	1.53	13.76
#FFFFFF	13.76	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E6A

Deuteranopia (green-blind)

#002B67

Tritanopia (blue-blind)

#223040

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #331e68;
/* rgb */ color: rgb(51, 30, 104);
/* oklch */ color: oklch(31.0% 0.122 290.5);

Tailwind

colors: {
  custom: {
    50: '#705b94',
    500: '#331e68',
    950: '#000000',
  },
}

SCSS

$custom: #331e68;
$custom-light: #705b94;
$custom-dark: #000000;

JSON

{
  "hex": "#331e68",
  "rgb": {
    "r": 51,
    "g": 30,
    "b": 104
  },
  "hsl": {
    "h": 257.027,
    "s": 55.224,
    "l": 26.275
  },
  "oklch": {
    "l": 0.3104,
    "c": 0.12217,
    "h": 290.5
  },
  "luminance": 0.02632
}

Semantic roles & 50–950 ramp

primary

#331E68

secondary

#849D45

accent

#DF49B4

background

#F7F5F9

surface

#EDE9F1

border

#C8C5CB

text

#08040D

muted

#7B797E

Preview Lab

Preview with #331E68

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

Preview Lab → · Contrast checker → · Palette generator →