#331659#331659

#331659 is a dark, moderate violet. Relative luminance 0.020; OKLCH L 28.5% C 0.114 H 298.7°. Best body text is #FFFFFF at 15.00:1 contrast (WCAG AA passes).

Color values

HEX	#331659
RGB	rgb(51, 22, 89)
HSL	hsl(266, 60%, 22%)
HSV	hsv(266, 75%, 35%)
CMYK	cmyk(42.7%, 75.3%, 0%, 65.1%)
CIE-LAB	lab(15.48, 29.93, -34.90)
CIE-LCH	lch(15.48, 45.98, 310.62°)
OKLab	oklab(28.46% 0.0546 -0.0996)
OKLCH	oklch(28.46% 0.114 298.7)
XYZ	xyz(3.4549, 1.9988, 9.6531)
Luminance	0.0200 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Dark Indigo

#1F0954

ΔE00 4.29

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331659 #3C5916

analogous

#161B59 #331659 #551659

triadic

#331659 #593316 #165933

tetradic

#331659 #59161B #3C5916 #165955

square

#331659 #59161B #3C5916 #165955

split-complementary

#331659 #595516 #1B5916

monochromatic

#0E0619 #170A28 #331659 #4F228A #6B2EBB

Accessibility & contrast

On white

15.00

#331659 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#331659 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331659

15.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331659	#FFFFFF	#000000	##FFFFFF
##331659	1.00	15.00	1.40	15.00
#FFFFFF	15.00	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	15.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00275B

Deuteranopia (green-blind)

#002658

Tritanopia (blue-blind)

#2A2635

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #331659;
/* rgb */ color: rgb(51, 22, 89);
/* oklch */ color: oklch(28.5% 0.114 298.7);

Tailwind

colors: {
  custom: {
    50: '#6f5688',
    500: '#331659',
    950: '#000000',
  },
}

SCSS

$custom: #331659;
$custom-light: #6f5688;
$custom-dark: #000000;

JSON

{
  "hex": "#331659",
  "rgb": {
    "r": 51,
    "g": 22,
    "b": 89
  },
  "hsl": {
    "h": 265.97,
    "s": 60.36,
    "l": 21.765
  },
  "oklch": {
    "l": 0.28463,
    "c": 0.11358,
    "h": 298.7
  },
  "luminance": 0.01999
}

Semantic roles & 50–950 ramp

primary

#331659

secondary

#6B903B

accent

#E4449F

background

#F6F5F8

surface

#ECE9F0

border

#C7C5CB

text

#08030B

muted

#7B787C

Preview Lab

Preview with #331659

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

Preview Lab → · Contrast checker → · Palette generator →