#331D70#331D70

#331D70 is a dark, vivid violet. Relative luminance 0.028; OKLCH L 31.6% C 0.134 H 288.4°. Best body text is #FFFFFF at 13.54:1 contrast (WCAG AA passes).

Color values

HEX	#331D70
RGB	rgb(51, 29, 112)
HSL	hsl(256, 59%, 28%)
HSV	hsv(256, 74%, 44%)
CMYK	cmyk(54.5%, 74.1%, 0%, 56.1%)
CIE-LAB	lab(19.02, 32.93, -44.29)
CIE-LCH	lch(19.02, 55.19, 306.63°)
OKLab	oklab(31.64% 0.0423 -0.1272)
OKLCH	oklch(31.64% 0.134 288.4)
XYZ	xyz(4.7284, 2.7522, 15.6082)
Luminance	0.0275 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331D70 #5A701D

analogous

#1D3070 #331D70 #5D1D70

triadic

#331D70 #70331D #1D7033

tetradic

#331D70 #701D30 #5A701D #1D705D

square

#331D70 #701D30 #5A701D #1D705D

split-complementary

#331D70 #705D1D #30701D

monochromatic

#0B0618 #1D103F #331D70 #492AA1 #623BCC

Accessibility & contrast

On white

13.54

#331D70 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#331D70 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331D70

13.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331D70	#FFFFFF	#000000	##FFFFFF
##331D70	1.00	13.54	1.55	13.54
#FFFFFF	13.54	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003072

Deuteranopia (green-blind)

#002C6E

Tritanopia (blue-blind)

#1C3344

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #331d70;
/* rgb */ color: rgb(51, 29, 112);
/* oklch */ color: oklch(31.6% 0.134 288.4);

Tailwind

colors: {
  custom: {
    50: '#725b9a',
    500: '#331d70',
    950: '#000000',
  },
}

SCSS

$custom: #331d70;
$custom-light: #725b9a;
$custom-dark: #000000;

JSON

{
  "hex": "#331d70",
  "rgb": {
    "r": 51,
    "g": 29,
    "b": 112
  },
  "hsl": {
    "h": 255.904,
    "s": 58.865,
    "l": 27.647
  },
  "oklch": {
    "l": 0.31638,
    "c": 0.13408,
    "h": 288.4
  },
  "luminance": 0.02752
}

Semantic roles & 50–950 ramp

primary

#331D70

secondary

#8BA444

accent

#E246B9

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#08040E

muted

#7B797E

Preview Lab

Preview with #331D70

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

Preview Lab → · Contrast checker → · Palette generator →