#51175B#51175B

#51175B is a dark, vivid purple. Relative luminance 0.031; OKLCH L 33.1% C 0.125 H 321.4°. Best body text is #FFFFFF at 12.94:1 contrast (WCAG AA passes).

Color values

HEX	#51175B
RGB	rgb(81, 23, 91)
HSL	hsl(291, 60%, 22%)
HSV	hsv(291, 75%, 36%)
CMYK	cmyk(11%, 74.7%, 0%, 64.3%)
CIE-LAB	lab(20.51, 37.05, -27.89)
CIE-LCH	lch(20.51, 46.38, 323.02°)
OKLab	oklab(33.09% 0.0976 -0.0779)
OKLCH	oklch(33.09% 0.125 321.4)
XYZ	xyz(5.5879, 3.1178, 10.2030)
Luminance	0.0312 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51175B #215B17

analogous

#2F175B #51175B #5B1743

triadic

#51175B #5B5117 #175B51

tetradic

#51175B #5B2F17 #215B17 #17435B

square

#51175B #5B2F17 #215B17 #17435B

split-complementary

#51175B #435B17 #175B2F

monochromatic

#160618 #260B2A #51175B #7C238C #A830BD

Accessibility & contrast

On white

12.94

#51175B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#51175B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51175B

12.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51175B	#FFFFFF	#000000	##FFFFFF
##51175B	1.00	12.94	1.62	12.94
#FFFFFF	12.94	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	12.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D5D

Deuteranopia (green-blind)

#1F3459

Tritanopia (blue-blind)

#522337

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #51175b;
/* rgb */ color: rgb(81, 23, 91);
/* oklch */ color: oklch(33.1% 0.125 321.4);

Tailwind

colors: {
  custom: {
    50: '#845a8a',
    500: '#51175b',
    950: '#000000',
  },
}

SCSS

$custom: #51175b;
$custom-light: #845a8a;
$custom-dark: #000000;

JSON

{
  "hex": "#51175b",
  "rgb": {
    "r": 81,
    "g": 23,
    "b": 91
  },
  "hsl": {
    "h": 291.176,
    "s": 59.649,
    "l": 22.353
  },
  "oklch": {
    "l": 0.33088,
    "c": 0.12493,
    "h": 321.4
  },
  "luminance": 0.03117
}

Semantic roles & 50–950 ramp

primary

#51175B

secondary

#49923C

accent

#E3455C

background

#F8F5F8

surface

#EFE9F0

border

#CAC5CB

text

#0B040B

muted

#7C797C

Preview Lab

Preview with #51175B

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

Preview Lab → · Contrast checker → · Palette generator →