#51187F#51187F

#51187F is a dark, vivid violet. Relative luminance 0.039; OKLCH L 36.1% C 0.160 H 304.3°. Best body text is #FFFFFF at 11.75:1 contrast (WCAG AA passes).

Color values

HEX	#51187F
RGB	rgb(81, 24, 127)
HSL	hsl(273, 68%, 30%)
HSV	hsv(273, 81%, 50%)
CMYK	cmyk(36.2%, 81.1%, 0%, 50.2%)
CIE-LAB	lab(23.45, 44.87, -46.48)
CIE-LCH	lch(23.45, 64.61, 313.99°)
OKLab	oklab(36.05% 0.0904 -0.1325)
OKLCH	oklch(36.05% 0.16 304.3)
XYZ	xyz(7.5499, 3.9349, 20.4363)
Luminance	0.0394 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 3.15

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51187F #467F18

analogous

#1E187F #51187F #7F187A

triadic

#51187F #7F5118 #187F51

tetradic

#51187F #7F1E18 #467F18 #187A7F

square

#51187F #7F1E18 #467F18 #187A7F

split-complementary

#51187F #7A7F18 #187F1E

monochromatic

#10051A #300E4C #51187F #7222B2 #9138D9

Accessibility & contrast

On white

11.75

#51187F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#51187F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51187F

11.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51187F	#FFFFFF	#000000	##FFFFFF
##51187F	1.00	11.75	1.79	11.75
#FFFFFF	11.75	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003782

Deuteranopia (green-blind)

#00387D

Tritanopia (blue-blind)

#48334B

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #51187f;
/* rgb */ color: rgb(81, 24, 127);
/* oklch */ color: oklch(36.1% 0.160 304.3);

Tailwind

colors: {
  custom: {
    50: '#875ca5',
    500: '#51187f',
    950: '#000000',
  },
}

SCSS

$custom: #51187f;
$custom-light: #875ca5;
$custom-dark: #000000;

JSON

{
  "hex": "#51187f",
  "rgb": {
    "r": 81,
    "g": 24,
    "b": 127
  },
  "hsl": {
    "h": 273.204,
    "s": 68.212,
    "l": 29.608
  },
  "oklch": {
    "l": 0.36054,
    "c": 0.16039,
    "h": 304.3
  },
  "luminance": 0.03935
}

Semantic roles & 50–950 ramp

primary

#51187F

secondary

#73B33F

accent

#EB3D8B

background

#F8F5FA

surface

#F0E9F4

border

#CBC5CE

text

#0C040F

muted

#7D797F

Preview Lab

Preview with #51187F

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

Preview Lab → · Contrast checker → · Palette generator →