#51186D#51186D

#51186D is a dark, vivid purple. Relative luminance 0.035; OKLCH L 34.5% C 0.142 H 311.8°. Best body text is #FFFFFF at 12.34:1 contrast (WCAG AA passes).

Color values

HEX	#51186D
RGB	rgb(81, 24, 109)
HSL	hsl(280, 64%, 26%)
HSV	hsv(280, 78%, 43%)
CMYK	cmyk(25.7%, 78%, 0%, 57.3%)
CIE-LAB	lab(21.97, 40.60, -37.37)
CIE-LCH	lch(21.97, 55.18, 317.37°)
OKLab	oklab(34.54% 0.0945 -0.1057)
OKLCH	oklch(34.54% 0.142 311.8)
XYZ	xyz(6.4798, 3.5069, 14.8006)
Luminance	0.0351 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51186D #346D18

analogous

#26186D #51186D #6D185E

triadic

#51186D #6D5118 #186D51

tetradic

#51186D #6D2618 #346D18 #185E6D

square

#51186D #6D2618 #346D18 #185E6D

split-complementary

#51186D #5E6D18 #186D26

monochromatic

#130619 #2C0D3B #51186D #76239F #9B2ED1

Accessibility & contrast

On white

12.34

#51186D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#51186D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51186D

12.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51186D	#FFFFFF	#000000	##FFFFFF
##51186D	1.00	12.34	1.70	12.34
#FFFFFF	12.34	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00326F

Deuteranopia (green-blind)

#0B366B

Tritanopia (blue-blind)

#4E2B41

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #51186d;
/* rgb */ color: rgb(81, 24, 109);
/* oklch */ color: oklch(34.5% 0.142 311.8);

Tailwind

colors: {
  custom: {
    50: '#855b97',
    500: '#51186d',
    950: '#000000',
  },
}

SCSS

$custom: #51186d;
$custom-light: #855b97;
$custom-dark: #000000;

JSON

{
  "hex": "#51186d",
  "rgb": {
    "r": 81,
    "g": 24,
    "b": 109
  },
  "hsl": {
    "h": 280.235,
    "s": 63.91,
    "l": 26.078
  },
  "oklch": {
    "l": 0.34544,
    "c": 0.1418,
    "h": 311.8
  },
  "luminance": 0.03507
}

Semantic roles & 50–950 ramp

primary

#51186D

secondary

#5FA33E

accent

#E74178

background

#F8F5F9

surface

#F0E9F2

border

#CBC5CC

text

#0B040D

muted

#7C797E

Preview Lab

Preview with #51186D

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

Preview Lab → · Contrast checker → · Palette generator →