#331657#331657

#331657 is a dark, moderate violet. Relative luminance 0.020; OKLCH L 28.3% C 0.111 H 299.7°. Best body text is #FFFFFF at 15.07:1 contrast (WCAG AA passes).

Color values

HEX	#331657
RGB	rgb(51, 22, 87)
HSL	hsl(267, 60%, 21%)
HSV	hsv(267, 75%, 34%)
CMYK	cmyk(41.4%, 74.7%, 0%, 65.9%)
CIE-LAB	lab(15.31, 29.35, -33.84)
CIE-LCH	lch(15.31, 44.80, 310.94°)
OKLab	oklab(28.28% 0.0549 -0.0965)
OKLCH	oklch(28.28% 0.111 299.7)
XYZ	xyz(3.3720, 1.9657, 9.2167)
Luminance	0.0197 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331657 #3A5716

analogous

#161A57 #331657 #541657

triadic

#331657 #573316 #165733

tetradic

#331657 #57161A #3A5716 #165754

square

#331657 #57161A #3A5716 #165754

split-complementary

#331657 #575416 #1A5716

monochromatic

#0E0618 #160A26 #331657 #502288 #6C2FB9

Accessibility & contrast

On white

15.07

#331657 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#331657 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331657

15.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331657	#FFFFFF	#000000	##FFFFFF
##331657	1.00	15.07	1.39	15.07
#FFFFFF	15.07	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002659

Deuteranopia (green-blind)

#002656

Tritanopia (blue-blind)

#2B2634

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #331657;
/* rgb */ color: rgb(51, 22, 87);
/* oklch */ color: oklch(28.3% 0.111 299.7);

Tailwind

colors: {
  custom: {
    50: '#6e5687',
    500: '#331657',
    950: '#000000',
  },
}

SCSS

$custom: #331657;
$custom-light: #6e5687;
$custom-dark: #000000;

JSON

{
  "hex": "#331657",
  "rgb": {
    "r": 51,
    "g": 22,
    "b": 87
  },
  "hsl": {
    "h": 266.769,
    "s": 59.633,
    "l": 21.373
  },
  "oklch": {
    "l": 0.28283,
    "c": 0.11103,
    "h": 299.7
  },
  "luminance": 0.01966
}

Semantic roles & 50–950 ramp

primary

#331657

secondary

#698E3A

accent

#E3459C

background

#F6F5F8

surface

#ECE9EF

border

#C7C5CA

text

#07030B

muted

#7A787C

Preview Lab

Preview with #331657

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

Preview Lab → · Contrast checker → · Palette generator →