#331757#331757

#331757 is a dark, moderate violet. Relative luminance 0.020; OKLCH L 28.4% C 0.110 H 299.4°. Best body text is #FFFFFF at 14.99:1 contrast (WCAG AA passes).

Color values

HEX	#331757
RGB	rgb(51, 23, 87)
HSL	hsl(266, 58%, 22%)
HSV	hsv(266, 74%, 34%)
CMYK	cmyk(41.4%, 73.6%, 0%, 65.9%)
CIE-LAB	lab(15.51, 28.78, -33.50)
CIE-LCH	lch(15.51, 44.17, 310.66°)
OKLab	oklab(28.43% 0.0537 -0.0955)
OKLCH	oklch(28.43% 0.11 299.4)
XYZ	xyz(3.3915, 2.0047, 9.2232)
Luminance	0.0200 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331757 #3B5717

analogous

#171B57 #331757 #531757

triadic

#331757 #573317 #175733

tetradic

#331757 #57171B #3B5717 #175753

square

#331757 #57171B #3B5717 #175753

split-complementary

#331757 #575317 #1B5717

monochromatic

#0E0618 #170A27 #331757 #4F2487 #6C31B8

Accessibility & contrast

On white

14.99

#331757 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#331757 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331757

14.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331757	#FFFFFF	#000000	##FFFFFF
##331757	1.00	14.99	1.40	14.99
#FFFFFF	14.99	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	14.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002759

Deuteranopia (green-blind)

#002656

Tritanopia (blue-blind)

#2B2635

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #331757;
/* rgb */ color: rgb(51, 23, 87);
/* oklch */ color: oklch(28.4% 0.110 299.4);

Tailwind

colors: {
  custom: {
    50: '#6e5687',
    500: '#331757',
    950: '#000000',
  },
}

SCSS

$custom: #331757;
$custom-light: #6e5687;
$custom-dark: #000000;

JSON

{
  "hex": "#331757",
  "rgb": {
    "r": 51,
    "g": 23,
    "b": 87
  },
  "hsl": {
    "h": 266.25,
    "s": 58.182,
    "l": 21.569
  },
  "oklch": {
    "l": 0.2843,
    "c": 0.10959,
    "h": 299.4
  },
  "luminance": 0.02005
}

Semantic roles & 50–950 ramp

primary

#331757

secondary

#6A8E3C

accent

#E1469E

background

#F6F5F8

surface

#ECE9EF

border

#C7C5CA

text

#07030B

muted

#7A787C

Preview Lab

Preview with #331757

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

Preview Lab → · Contrast checker → · Palette generator →