#51185B#51185B

#51185B is a dark, vivid purple. Relative luminance 0.032; OKLCH L 33.2% C 0.124 H 321.3°. Best body text is #FFFFFF at 12.87:1 contrast (WCAG AA passes).

Color values

HEX	#51185B
RGB	rgb(81, 24, 91)
HSL	hsl(291, 58%, 23%)
HSV	hsv(291, 74%, 36%)
CMYK	cmyk(11%, 73.6%, 0%, 64.3%)
CIE-LAB	lab(20.67, 36.61, -27.64)
CIE-LCH	lch(20.67, 45.87, 322.94°)
OKLab	oklab(33.2% 0.0964 -0.0772)
OKLCH	oklch(33.2% 0.124 321.3)
XYZ	xyz(5.6081, 3.1582, 10.2097)
Luminance	0.0316 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51185B #225B18

analogous

#30185B #51185B #5B1843

triadic

#51185B #5B5118 #185B51

tetradic

#51185B #5B3018 #225B18 #18435B

square

#51185B #5B3018 #225B18 #18435B

split-complementary

#51185B #435B18 #185B30

monochromatic

#160618 #260B2B #51185B #7C258B #A732BC

Accessibility & contrast

On white

12.87

#51185B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#51185B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51185B

12.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51185B	#FFFFFF	#000000	##FFFFFF
##51185B	1.00	12.87	1.63	12.87
#FFFFFF	12.87	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#022E5D

Deuteranopia (green-blind)

#203459

Tritanopia (blue-blind)

#522437

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #51185b;
/* rgb */ color: rgb(81, 24, 91);
/* oklch */ color: oklch(33.2% 0.124 321.3);

Tailwind

colors: {
  custom: {
    50: '#845b8a',
    500: '#51185b',
    950: '#000000',
  },
}

SCSS

$custom: #51185b;
$custom-light: #845b8a;
$custom-dark: #000000;

JSON

{
  "hex": "#51185b",
  "rgb": {
    "r": 81,
    "g": 24,
    "b": 91
  },
  "hsl": {
    "h": 291.045,
    "s": 58.261,
    "l": 22.549
  },
  "oklch": {
    "l": 0.33201,
    "c": 0.12355,
    "h": 321.3
  },
  "luminance": 0.03158
}

Semantic roles & 50–950 ramp

primary

#51185B

secondary

#4A923D

accent

#E1465D

background

#F8F5F8

surface

#EFE9F0

border

#CAC5CB

text

#0B040B

muted

#7C797C

Preview Lab

Preview with #51185B

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

Preview Lab → · Contrast checker → · Palette generator →