#331658#331658

#331658 is a dark, moderate violet. Relative luminance 0.020; OKLCH L 28.4% C 0.112 H 299.2°. Best body text is #FFFFFF at 15.04:1 contrast (WCAG AA passes).

Color values

HEX	#331658
RGB	rgb(51, 22, 88)
HSL	hsl(266, 60%, 22%)
HSV	hsv(266, 75%, 35%)
CMYK	cmyk(42%, 75%, 0%, 65.5%)
CIE-LAB	lab(15.39, 29.64, -34.37)
CIE-LCH	lch(15.39, 45.39, 310.78°)
OKLab	oklab(28.37% 0.0548 -0.0981)
OKLCH	oklch(28.37% 0.112 299.2)
XYZ	xyz(3.4132, 1.9822, 9.4334)
Luminance	0.0198 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Dark Indigo

#1F0954

ΔE00 4.37

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331658 #3B5816

analogous

#161A58 #331658 #541658

triadic

#331658 #583316 #165833

tetradic

#331658 #58161A #3B5816 #165854

square

#331658 #58161A #3B5816 #165854

split-complementary

#331658 #585416 #1A5816

monochromatic

#0E0618 #170A27 #331658 #4F2289 #6C2EBA

Accessibility & contrast

On white

15.04

#331658 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#331658 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331658

15.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331658	#FFFFFF	#000000	##FFFFFF
##331658	1.00	15.04	1.40	15.04
#FFFFFF	15.04	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	15.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00265A

Deuteranopia (green-blind)

#002657

Tritanopia (blue-blind)

#2A2635

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #331658;
/* rgb */ color: rgb(51, 22, 88);
/* oklch */ color: oklch(28.4% 0.112 299.2);

Tailwind

colors: {
  custom: {
    50: '#6f5688',
    500: '#331658',
    950: '#000000',
  },
}

SCSS

$custom: #331658;
$custom-light: #6f5688;
$custom-dark: #000000;

JSON

{
  "hex": "#331658",
  "rgb": {
    "r": 51,
    "g": 22,
    "b": 88
  },
  "hsl": {
    "h": 266.364,
    "s": 60,
    "l": 21.569
  },
  "oklch": {
    "l": 0.28373,
    "c": 0.11231,
    "h": 299.2
  },
  "luminance": 0.01982
}

Semantic roles & 50–950 ramp

primary

#331658

secondary

#6A8F3B

accent

#E3459E

background

#F6F5F8

surface

#ECE9F0

border

#C7C5CB

text

#08030B

muted

#7B787C

Preview Lab

Preview with #331658

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

Preview Lab → · Contrast checker → · Palette generator →