#51177B#51177B

#51177B is a dark, vivid violet. Relative luminance 0.038; OKLCH L 35.6% C 0.157 H 305.9°. Best body text is #FFFFFF at 11.94:1 contrast (WCAG AA passes).

Color values

HEX	#51177B
RGB	rgb(81, 23, 123)
HSL	hsl(275, 68%, 29%)
HSV	hsv(275, 81%, 48%)
CMYK	cmyk(34.1%, 81.3%, 0%, 51.8%)
CIE-LAB	lab(22.97, 44.30, -44.73)
CIE-LCH	lch(22.97, 62.96, 314.72°)
OKLab	oklab(35.61% 0.0923 -0.1274)
OKLCH	oklch(35.61% 0.157 305.9)
XYZ	xyz(7.2741, 3.7922, 19.0838)
Luminance	0.0379 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 3.33

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51177B #417B17

analogous

#1F177B #51177B #7B1773

triadic

#51177B #7B5117 #177B51

tetradic

#51177B #7B1F17 #417B17 #17737B

square

#51177B #7B1F17 #417B17 #17737B

split-complementary

#51177B #737B17 #177B1F

monochromatic

#11051A #2F0D47 #51177B #7321AF #9333D9

Accessibility & contrast

On white

11.94

#51177B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#51177B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51177B

11.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51177B	#FFFFFF	#000000	##FFFFFF
##51177B	1.00	11.94	1.76	11.94
#FFFFFF	11.94	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00357E

Deuteranopia (green-blind)

#003779

Tritanopia (blue-blind)

#493149

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #51177b;
/* rgb */ color: rgb(81, 23, 123);
/* oklch */ color: oklch(35.6% 0.157 305.9);

Tailwind

colors: {
  custom: {
    50: '#875ca2',
    500: '#51177b',
    950: '#000000',
  },
}

SCSS

$custom: #51177b;
$custom-light: #875ca2;
$custom-dark: #000000;

JSON

{
  "hex": "#51177b",
  "rgb": {
    "r": 81,
    "g": 23,
    "b": 123
  },
  "hsl": {
    "h": 274.8,
    "s": 68.493,
    "l": 28.627
  },
  "oklch": {
    "l": 0.35609,
    "c": 0.1573,
    "h": 305.9
  },
  "luminance": 0.03792
}

Semantic roles & 50–950 ramp

primary

#51177B

secondary

#6EB03E

accent

#EB3C86

background

#F8F5FA

surface

#F0E9F4

border

#CBC5CE

text

#0C040F

muted

#7D797F

Preview Lab

Preview with #51177B

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

Preview Lab → · Contrast checker → · Palette generator →