#331557#331557

#331557 is a dark, moderate violet. Relative luminance 0.019; OKLCH L 28.1% C 0.112 H 299.9°. Best body text is #FFFFFF at 15.16:1 contrast (WCAG AA passes).

Color values

HEX	#331557
RGB	rgb(51, 21, 87)
HSL	hsl(267, 61%, 21%)
HSV	hsv(267, 76%, 34%)
CMYK	cmyk(41.4%, 75.9%, 0%, 65.9%)
CIE-LAB	lab(15.11, 29.91, -34.16)
CIE-LCH	lch(15.11, 45.41, 311.20°)
OKLab	oklab(28.14% 0.0561 -0.0974)
OKLCH	oklch(28.14% 0.112 299.9)
XYZ	xyz(3.3533, 1.9282, 9.2105)
Luminance	0.0193 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331557 #395715

analogous

#151857 #331557 #541557

triadic

#331557 #573315 #155733

tetradic

#331557 #571518 #395715 #155754

square

#331557 #571518 #395715 #155754

split-complementary

#331557 #575415 #185715

monochromatic

#0E0619 #160926 #331557 #502188 #6D2DBA

Accessibility & contrast

On white

15.16

#331557 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#331557 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331557

15.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331557	#FFFFFF	#000000	##FFFFFF
##331557	1.00	15.16	1.39	15.16
#FFFFFF	15.16	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002659

Deuteranopia (green-blind)

#002556

Tritanopia (blue-blind)

#2B2534

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #331557;
/* rgb */ color: rgb(51, 21, 87);
/* oklch */ color: oklch(28.1% 0.112 299.9);

Tailwind

colors: {
  custom: {
    50: '#6f5587',
    500: '#331557',
    950: '#000000',
  },
}

SCSS

$custom: #331557;
$custom-light: #6f5587;
$custom-dark: #000000;

JSON

{
  "hex": "#331557",
  "rgb": {
    "r": 51,
    "g": 21,
    "b": 87
  },
  "hsl": {
    "h": 267.273,
    "s": 61.111,
    "l": 21.176
  },
  "oklch": {
    "l": 0.2814,
    "c": 0.11244,
    "h": 299.9
  },
  "luminance": 0.01928
}

Semantic roles & 50–950 ramp

primary

#331557

secondary

#688F39

accent

#E4449B

background

#F6F5F8

surface

#ECE9EF

border

#C7C5CA

text

#08030B

muted

#7B787C

Preview Lab

Preview with #331557

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

Preview Lab → · Contrast checker → · Palette generator →