#331F8E#331F8E

#331F8E is a dark, vivid violet. Relative luminance 0.036; OKLCH L 35.0% C 0.170 H 281.3°. Best body text is #FFFFFF at 12.16:1 contrast (WCAG AA passes).

Color values

HEX	#331F8E
RGB	rgb(51, 31, 142)
HSL	hsl(251, 64%, 34%)
HSV	hsv(251, 78%, 56%)
CMYK	cmyk(64.1%, 78.2%, 0%, 44.3%)
CIE-LAB	lab(22.43, 41.27, -57.71)
CIE-LCH	lch(22.43, 70.95, 305.57°)
OKLab	oklab(34.96% 0.0332 -0.1665)
OKLCH	oklch(34.96% 0.17 281.3)
XYZ	xyz(6.7362, 3.6363, 25.9328)
Luminance	0.0364 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331F8E #7A8E1F

analogous

#1F438E #331F8E #6B1F8E

triadic

#331F8E #8E331F #1F8E33

tetradic

#331F8E #8E1F43 #7A8E1F #1F8E6B

square

#331F8E #8E1F43 #7A8E1F #1F8E6B

split-complementary

#331F8E #8E6B1F #438E1F

monochromatic

#0F092A #21145C #331F8E #452AC0 #684FD9

Accessibility & contrast

On white

12.16

#331F8E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#331F8E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331F8E

12.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331F8E	#FFFFFF	#000000	##FFFFFF
##331F8E	1.00	12.16	1.73	12.16
#FFFFFF	12.16	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003991

Deuteranopia (green-blind)

#00328C

Tritanopia (blue-blind)

#003F55

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #331f8e;
/* rgb */ color: rgb(51, 31, 142);
/* oklch */ color: oklch(35.0% 0.170 281.3);

Tailwind

colors: {
  custom: {
    50: '#775eb0',
    500: '#331f8e',
    950: '#000000',
  },
}

SCSS

$custom: #331f8e;
$custom-light: #775eb0;
$custom-dark: #000000;

JSON

{
  "hex": "#331f8e",
  "rgb": {
    "r": 51,
    "g": 31,
    "b": 142
  },
  "hsl": {
    "h": 250.811,
    "s": 64.162,
    "l": 33.922
  },
  "oklch": {
    "l": 0.3496,
    "c": 0.16979,
    "h": 281.3
  },
  "luminance": 0.03637
}

Semantic roles & 50–950 ramp

primary

#331F8E

secondary

#A8BB4D

accent

#E741C9

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #331F8E

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

Preview Lab → · Contrast checker → · Palette generator →