#331DA0#331DA0

#331DA0 is a dark, vivid violet. Relative luminance 0.041; OKLCH L 36.7% C 0.193 H 278.7°. Best body text is #FFFFFF at 11.51:1 contrast (WCAG AA passes).

Color values

HEX	#331DA0
RGB	rgb(51, 29, 160)
HSL	hsl(250, 69%, 37%)
HSV	hsv(250, 82%, 63%)
CMYK	cmyk(68.1%, 81.9%, 0%, 37.3%)
CIE-LAB	lab(24.06, 47.77, -66.10)
CIE-LCH	lch(24.06, 81.56, 305.86°)
OKLab	oklab(36.68% 0.0291 -0.1909)
OKLCH	oklch(36.68% 0.193 278.7)
XYZ	xyz(8.1477, 4.1199, 33.6167)
Luminance	0.0412 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331DA0 #8AA01D

analogous

#1D49A0 #331DA0 #741DA0

triadic

#331DA0 #A0331D #1DA033

tetradic

#331DA0 #A01D49 #8AA01D #1DA074

square

#331DA0 #A01D49 #8AA01D #1DA074

split-complementary

#331DA0 #A0741D #49A01D

monochromatic

#120A38 #22146C #331DA0 #4426D4 #6E57E1

Accessibility & contrast

On white

11.51

#331DA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#331DA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331DA0

11.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331DA0	#FFFFFF	#000000	##FFFFFF
##331DA0	1.00	11.51	1.82	11.51
#FFFFFF	11.51	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003EA4

Deuteranopia (green-blind)

#00349E

Tritanopia (blue-blind)

#00465F

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #331da0;
/* rgb */ color: rgb(51, 29, 160);
/* oklch */ color: oklch(36.7% 0.193 278.7);

Tailwind

colors: {
  custom: {
    50: '#7b5ebd',
    500: '#331da0',
    950: '#000000',
  },
}

SCSS

$custom: #331da0;
$custom-light: #7b5ebd;
$custom-dark: #000000;

JSON

{
  "hex": "#331da0",
  "rgb": {
    "r": 51,
    "g": 29,
    "b": 160
  },
  "hsl": {
    "h": 250.076,
    "s": 69.312,
    "l": 37.059
  },
  "oklch": {
    "l": 0.36682,
    "c": 0.19311,
    "h": 278.7
  },
  "luminance": 0.04121
}

Semantic roles & 50–950 ramp

primary

#331DA0

secondary

#B1C455

accent

#EC3CCE

background

#F8F5FB

surface

#EFE9F7

border

#CAC5D0

text

#0B0512

muted

#7C7981

Preview Lab

Preview with #331DA0

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

Preview Lab → · Contrast checker → · Palette generator →