#331666#331666

#331666 is a dark, vivid violet. Relative luminance 0.022; OKLCH L 29.7% C 0.130 H 293.4°. Best body text is #FFFFFF at 14.51:1 contrast (WCAG AA passes).

Color values

HEX	#331666
RGB	rgb(51, 22, 102)
HSL	hsl(262, 65%, 24%)
HSV	hsv(262, 78%, 40%)
CMYK	cmyk(50%, 78.4%, 0%, 60%)
CIE-LAB	lab(16.68, 33.76, -41.59)
CIE-LCH	lch(16.68, 53.56, 309.07°)
OKLab	oklab(29.69% 0.0515 -0.1193)
OKLCH	oklch(29.69% 0.13 293.4)
XYZ	xyz(4.0498, 2.2368, 12.7862)
Luminance	0.0224 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331666 #496616

analogous

#162166 #331666 #5B1666

triadic

#331666 #663316 #166633

tetradic

#331666 #661621 #496616 #16665B

square

#331666 #661621 #496616 #16665B

split-complementary

#331666 #665B16 #216616

monochromatic

#0D0519 #1A0B34 #331666 #4C2198 #652CCB

Accessibility & contrast

On white

14.51

#331666 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#331666 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331666

14.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331666	#FFFFFF	#000000	##FFFFFF
##331666	1.00	14.51	1.45	14.51
#FFFFFF	14.51	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A68

Deuteranopia (green-blind)

#002864

Tritanopia (blue-blind)

#232B3D

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #331666;
/* rgb */ color: rgb(51, 22, 102);
/* oklch */ color: oklch(29.7% 0.130 293.4);

Tailwind

colors: {
  custom: {
    50: '#715692',
    500: '#331666',
    950: '#000000',
  },
}

SCSS

$custom: #331666;
$custom-light: #715692;
$custom-dark: #000000;

JSON

{
  "hex": "#331666",
  "rgb": {
    "r": 51,
    "g": 22,
    "b": 102
  },
  "hsl": {
    "h": 261.75,
    "s": 64.516,
    "l": 24.314
  },
  "oklch": {
    "l": 0.29688,
    "c": 0.12991,
    "h": 293.4
  },
  "luminance": 0.02237
}

Semantic roles & 50–950 ramp

primary

#331666

secondary

#799D3B

accent

#E840AB

background

#F7F5F9

surface

#EDE9F1

border

#C8C5CB

text

#08030D

muted

#7B787E

Preview Lab

Preview with #331666

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

Preview Lab → · Contrast checker → · Palette generator →