#331A7B#331A7B

#331A7B is a dark, vivid violet. Relative luminance 0.029; OKLCH L 32.3% C 0.151 H 286.2°. Best body text is #FFFFFF at 13.34:1 contrast (WCAG AA passes).

Color values

HEX	#331A7B
RGB	rgb(51, 26, 123)
HSL	hsl(255, 65%, 29%)
HSV	hsv(255, 79%, 48%)
CMYK	cmyk(58.5%, 78.9%, 0%, 51.8%)
CIE-LAB	lab(19.53, 38.00, -50.53)
CIE-LCH	lch(19.53, 63.22, 306.94°)
OKLab	oklab(32.32% 0.0421 -0.1455)
OKLCH	oklch(32.32% 0.151 286.2)
XYZ	xyz(5.3087, 2.8724, 19.0097)
Luminance	0.0287 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331A7B #627B1A

analogous

#1A327B #331A7B #641A7B

triadic

#331A7B #7B331A #1A7B33

tetradic

#331A7B #7B1A32 #627B1A #1A7B64

square

#331A7B #7B1A32 #627B1A #1A7B64

split-complementary

#331A7B #7B641A #327B1A

monochromatic

#0A0519 #1E0F48 #331A7B #4825AE #623AD5

Accessibility & contrast

On white

13.34

#331A7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#331A7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331A7B

13.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331A7B	#FFFFFF	#000000	##FFFFFF
##331A7B	1.00	13.34	1.57	13.34
#FFFFFF	13.34	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00327E

Deuteranopia (green-blind)

#002C79

Tritanopia (blue-blind)

#103649

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #331a7b;
/* rgb */ color: rgb(51, 26, 123);
/* oklch */ color: oklch(32.3% 0.151 286.2);

Tailwind

colors: {
  custom: {
    50: '#745aa2',
    500: '#331a7b',
    950: '#000000',
  },
}

SCSS

$custom: #331a7b;
$custom-light: #745aa2;
$custom-dark: #000000;

JSON

{
  "hex": "#331a7b",
  "rgb": {
    "r": 51,
    "g": 26,
    "b": 123
  },
  "hsl": {
    "h": 255.464,
    "s": 65.101,
    "l": 29.216
  },
  "oklch": {
    "l": 0.32325,
    "c": 0.15146,
    "h": 286.2
  },
  "luminance": 0.02873
}

Semantic roles & 50–950 ramp

primary

#331A7B

secondary

#93AF42

accent

#E840BD

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#09040F

muted

#7B797F

Preview Lab

Preview with #331A7B

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

Preview Lab → · Contrast checker → · Palette generator →