#331F8D#331F8D

#331F8D is a dark, vivid violet. Relative luminance 0.036; OKLCH L 34.9% C 0.169 H 281.5°. Best body text is #FFFFFF at 12.20:1 contrast (WCAG AA passes).

Color values

HEX	#331F8D
RGB	rgb(51, 31, 141)
HSL	hsl(251, 64%, 34%)
HSV	hsv(251, 78%, 55%)
CMYK	cmyk(63.8%, 78%, 0%, 44.7%)
CIE-LAB	lab(22.32, 40.95, -57.26)
CIE-LCH	lch(22.32, 70.40, 305.57°)
OKLab	oklab(34.85% 0.0335 -0.1652)
OKLCH	oklch(34.85% 0.169 281.5)
XYZ	xyz(6.6614, 3.6064, 25.5392)
Luminance	0.0361 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331F8D #798D1F

analogous

#1F428D #331F8D #6A1F8D

triadic

#331F8D #8D331F #1F8D33

tetradic

#331F8D #8D1F42 #798D1F #1F8D6A

square

#331F8D #8D1F42 #798D1F #1F8D6A

split-complementary

#331F8D #8D6A1F #428D1F

monochromatic

#0F0929 #21145B #331F8D #452ABF #674ED8

Accessibility & contrast

On white

12.20

#331F8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#331F8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331F8D

12.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331F8D	#FFFFFF	#000000	##FFFFFF
##331F8D	1.00	12.20	1.72	12.20
#FFFFFF	12.20	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003990

Deuteranopia (green-blind)

#00318B

Tritanopia (blue-blind)

#003F55

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #331f8d;
/* rgb */ color: rgb(51, 31, 141);
/* oklch */ color: oklch(34.9% 0.169 281.5);

Tailwind

colors: {
  custom: {
    50: '#775eaf',
    500: '#331f8d',
    950: '#000000',
  },
}

SCSS

$custom: #331f8d;
$custom-light: #775eaf;
$custom-dark: #000000;

JSON

{
  "hex": "#331f8d",
  "rgb": {
    "r": 51,
    "g": 31,
    "b": 141
  },
  "hsl": {
    "h": 250.909,
    "s": 63.953,
    "l": 33.725
  },
  "oklch": {
    "l": 0.34854,
    "c": 0.16856,
    "h": 281.5
  },
  "luminance": 0.03607
}

Semantic roles & 50–950 ramp

primary

#331F8D

secondary

#A7BB4D

accent

#E741C9

background

#F7F5FA

surface

#EEE9F5

border

#C9C5CF

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #331F8D

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

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