#331554#331554

#331554 is a dark, moderate violet. Relative luminance 0.019; OKLCH L 27.9% C 0.109 H 301.4°. Best body text is #FFFFFF at 15.26:1 contrast (WCAG AA passes).

Color values

HEX	#331554
RGB	rgb(51, 21, 84)
HSL	hsl(269, 60%, 21%)
HSV	hsv(269, 75%, 33%)
CMYK	cmyk(39.3%, 75%, 0%, 67.1%)
CIE-LAB	lab(14.85, 29.05, -32.56)
CIE-LCH	lch(14.85, 43.64, 311.75°)
OKLab	oklab(27.87% 0.0567 -0.0927)
OKLCH	oklch(27.87% 0.109 301.4)
XYZ	xyz(3.2333, 1.8802, 8.5784)
Luminance	0.0188 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 6.99

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331554 #365415

analogous

#151754 #331554 #521554

triadic

#331554 #543315 #155433

tetradic

#331554 #541517 #365415 #155452

square

#331554 #541517 #365415 #155452

split-complementary

#331554 #545215 #175415

monochromatic

#0F0618 #150923 #331554 #512185 #6E2DB6

Accessibility & contrast

On white

15.26

#331554 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#331554 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331554

15.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331554	#FFFFFF	#000000	##FFFFFF
##331554	1.00	15.26	1.38	15.26
#FFFFFF	15.26	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002556

Deuteranopia (green-blind)

#002553

Tritanopia (blue-blind)

#2C2432

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #331554;
/* rgb */ color: rgb(51, 21, 84);
/* oklch */ color: oklch(27.9% 0.109 301.4);

Tailwind

colors: {
  custom: {
    50: '#6e5585',
    500: '#331554',
    950: '#000000',
  },
}

SCSS

$custom: #331554;
$custom-light: #6e5585;
$custom-dark: #000000;

JSON

{
  "hex": "#331554",
  "rgb": {
    "r": 51,
    "g": 21,
    "b": 84
  },
  "hsl": {
    "h": 268.571,
    "s": 60,
    "l": 20.588
  },
  "oklch": {
    "l": 0.27873,
    "c": 0.10866,
    "h": 301.4
  },
  "luminance": 0.0188
}

Semantic roles & 50–950 ramp

primary

#331554

secondary

#648C39

accent

#E34598

background

#F6F5F8

surface

#ECE9EF

border

#C7C5CA

text

#07030B

muted

#7A787C

Preview Lab

Preview with #331554

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

Preview Lab → · Contrast checker → · Palette generator →