#331A70#331A70

#331A70 is a dark, vivid violet. Relative luminance 0.026; OKLCH L 31.2% C 0.138 H 289.1°. Best body text is #FFFFFF at 13.79:1 contrast (WCAG AA passes).

Color values

HEX	#331A70
RGB	rgb(51, 26, 112)
HSL	hsl(257, 62%, 27%)
HSV	hsv(257, 77%, 44%)
CMYK	cmyk(54.5%, 76.8%, 0%, 56.1%)
CIE-LAB	lab(18.42, 34.62, -45.28)
CIE-LCH	lch(18.42, 57.00, 307.41°)
OKLab	oklab(31.21% 0.0452 -0.1301)
OKLCH	oklch(31.21% 0.138 289.1)
XYZ	xyz(4.6584, 2.6122, 15.5848)
Luminance	0.0261 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 6.24

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331A70 #57701A

analogous

#1A2C70 #331A70 #5E1A70

triadic

#331A70 #70331A #1A7033

tetradic

#331A70 #701A2C #57701A #1A705E

square

#331A70 #701A2C #57701A #1A705E

split-complementary

#331A70 #705E1A #2C701A

monochromatic

#0B0619 #1C0E3E #331A70 #4A26A2 #6234D0

Accessibility & contrast

On white

13.79

#331A70 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#331A70 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331A70

13.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331A70	#FFFFFF	#000000	##FFFFFF
##331A70	1.00	13.79	1.52	13.79
#FFFFFF	13.79	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F72

Deuteranopia (green-blind)

#002B6E

Tritanopia (blue-blind)

#1C3143

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #331a70;
/* rgb */ color: rgb(51, 26, 112);
/* oklch */ color: oklch(31.2% 0.138 289.1);

Tailwind

colors: {
  custom: {
    50: '#72599a',
    500: '#331a70',
    950: '#000000',
  },
}

SCSS

$custom: #331a70;
$custom-light: #72599a;
$custom-dark: #000000;

JSON

{
  "hex": "#331a70",
  "rgb": {
    "r": 51,
    "g": 26,
    "b": 112
  },
  "hsl": {
    "h": 257.442,
    "s": 62.319,
    "l": 27.059
  },
  "oklch": {
    "l": 0.3121,
    "c": 0.13771,
    "h": 289.1
  },
  "luminance": 0.02612
}

Semantic roles & 50–950 ramp

primary

#331A70

secondary

#88A541

accent

#E542B6

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#08040E

muted

#7B797E

Preview Lab

Preview with #331A70

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

Preview Lab → · Contrast checker → · Palette generator →