#331F8C#331F8C

#331F8C is a dark, vivid violet. Relative luminance 0.036; OKLCH L 34.7% C 0.167 H 281.6°. Best body text is #FFFFFF at 12.24:1 contrast (WCAG AA passes).

Color values

HEX	#331F8C
RGB	rgb(51, 31, 140)
HSL	hsl(251, 64%, 34%)
HSV	hsv(251, 78%, 55%)
CMYK	cmyk(63.6%, 77.9%, 0%, 45.1%)
CIE-LAB	lab(22.22, 40.64, -56.81)
CIE-LCH	lch(22.22, 69.85, 305.58°)
OKLab	oklab(34.75% 0.0338 -0.1639)
OKLCH	oklch(34.75% 0.167 281.6)
XYZ	xyz(6.5874, 3.5768, 25.1491)
Luminance	0.0358 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331F8C #788C1F

analogous

#1F418C #331F8C #691F8C

triadic

#331F8C #8C331F #1F8C33

tetradic

#331F8C #8C1F41 #788C1F #1F8C69

square

#331F8C #8C1F41 #788C1F #1F8C69

split-complementary

#331F8C #8C691F #418C1F

monochromatic

#0E0928 #21145A #331F8C #452ABE #674ED8

Accessibility & contrast

On white

12.24

#331F8C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#331F8C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331F8C

12.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331F8C	#FFFFFF	#000000	##FFFFFF
##331F8C	1.00	12.24	1.72	12.24
#FFFFFF	12.24	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00398F

Deuteranopia (green-blind)

#00318A

Tritanopia (blue-blind)

#003E54

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #331f8c;
/* rgb */ color: rgb(51, 31, 140);
/* oklch */ color: oklch(34.7% 0.167 281.6);

Tailwind

colors: {
  custom: {
    50: '#775eaf',
    500: '#331f8c',
    950: '#000000',
  },
}

SCSS

$custom: #331f8c;
$custom-light: #775eaf;
$custom-dark: #000000;

JSON

{
  "hex": "#331f8c",
  "rgb": {
    "r": 51,
    "g": 31,
    "b": 140
  },
  "hsl": {
    "h": 251.009,
    "s": 63.743,
    "l": 33.529
  },
  "oklch": {
    "l": 0.34749,
    "c": 0.16733,
    "h": 281.6
  },
  "luminance": 0.03577
}

Semantic roles & 50–950 ramp

primary

#331F8C

secondary

#A6BB4C

accent

#E741C8

background

#F7F5FA

surface

#EEE9F5

border

#C9C5CF

text

#0A0410

muted

#7C797F

Preview Lab

Preview with #331F8C

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

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