#331DA1#331DA1

#331DA1 is a dark, vivid violet. Relative luminance 0.042; OKLCH L 36.8% C 0.194 H 278.5°. Best body text is #FFFFFF at 11.47:1 contrast (WCAG AA passes).

Color values

HEX	#331DA1
RGB	rgb(51, 29, 161)
HSL	hsl(250, 69%, 37%)
HSV	hsv(250, 82%, 63%)
CMYK	cmyk(68.3%, 82%, 0%, 36.9%)
CIE-LAB	lab(24.18, 48.07, -66.52)
CIE-LCH	lch(24.18, 82.07, 305.86°)
OKLab	oklab(36.79% 0.0288 -0.1921)
OKLCH	oklch(36.79% 0.194 278.5)
XYZ	xyz(8.2356, 4.1550, 34.0793)
Luminance	0.0416 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331DA1 #8BA11D

analogous

#1D49A1 #331DA1 #751DA1

triadic

#331DA1 #A1331D #1DA133

tetradic

#331DA1 #A11D49 #8BA11D #1DA175

square

#331DA1 #A11D49 #8BA11D #1DA175

split-complementary

#331DA1 #A1751D #49A11D

monochromatic

#120A39 #23146D #331DA1 #4326D5 #6E58E1

Accessibility & contrast

On white

11.47

#331DA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#331DA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331DA1

11.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331DA1	#FFFFFF	#000000	##FFFFFF
##331DA1	1.00	11.47	1.83	11.47
#FFFFFF	11.47	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003EA5

Deuteranopia (green-blind)

#00349F

Tritanopia (blue-blind)

#004660

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #331da1;
/* rgb */ color: rgb(51, 29, 161);
/* oklch */ color: oklch(36.8% 0.194 278.5);

Tailwind

colors: {
  custom: {
    50: '#7c5ebe',
    500: '#331da1',
    950: '#000000',
  },
}

SCSS

$custom: #331da1;
$custom-light: #7c5ebe;
$custom-dark: #000000;

JSON

{
  "hex": "#331da1",
  "rgb": {
    "r": 51,
    "g": 29,
    "b": 161
  },
  "hsl": {
    "h": 250,
    "s": 69.474,
    "l": 37.255
  },
  "oklch": {
    "l": 0.36794,
    "c": 0.19427,
    "h": 278.5
  },
  "luminance": 0.04156
}

Semantic roles & 50–950 ramp

primary

#331DA1

secondary

#B2C455

accent

#EC3CCF

background

#F8F5FB

surface

#EFE9F7

border

#CAC5D0

text

#0B0512

muted

#7C7981

Preview Lab

Preview with #331DA1

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

Preview Lab → · Contrast checker → · Palette generator →