#51287B#51287B

#51287B is a dark, vivid violet. Relative luminance 0.047; OKLCH L 37.7% C 0.136 H 303.1°. Best body text is #FFFFFF at 10.83:1 contrast (WCAG AA passes).

Color values

HEX	#51287B
RGB	rgb(81, 40, 123)
HSL	hsl(270, 51%, 32%)
HSV	hsv(270, 67%, 48%)
CMYK	cmyk(34.1%, 67.5%, 0%, 51.8%)
CIE-LAB	lab(25.85, 36.19, -40.06)
CIE-LCH	lch(25.85, 53.99, 312.10°)
OKLab	oklab(37.66% 0.0742 -0.1137)
OKLCH	oklch(37.66% 0.136 303.1)
XYZ	xyz(7.7265, 4.6970, 19.2346)
Luminance	0.0470 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51287B #527B28

analogous

#28287B #51287B #7B287B

triadic

#51287B #7B5128 #287B51

tetradic

#51287B #7B2828 #527B28 #287B7B

square

#51287B #7B2828 #527B28 #287B7B

split-complementary

#51287B #7B7B28 #287B28

monochromatic

#140A1F #33194D #51287B #6F37A9 #8E56C8

Accessibility & contrast

On white

10.83

#51287B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#51287B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51287B

10.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51287B	#FFFFFF	#000000	##FFFFFF
##51287B	1.00	10.83	1.94	10.83
#FFFFFF	10.83	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C7E

Deuteranopia (green-blind)

#0B3D79

Tritanopia (blue-blind)

#493A4E

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #51287b;
/* rgb */ color: rgb(81, 40, 123);
/* oklch */ color: oklch(37.7% 0.136 303.1);

Tailwind

colors: {
  custom: {
    50: '#8565a2',
    500: '#51287b',
    950: '#000000',
  },
}

SCSS

$custom: #51287b;
$custom-light: #8565a2;
$custom-dark: #000000;

JSON

{
  "hex": "#51287b",
  "rgb": {
    "r": 81,
    "g": 40,
    "b": 123
  },
  "hsl": {
    "h": 269.639,
    "s": 50.92,
    "l": 31.961
  },
  "oklch": {
    "l": 0.37656,
    "c": 0.13579,
    "h": 303.1
  },
  "luminance": 0.04697
}

Semantic roles & 50–950 ramp

primary

#51287B

secondary

#80AD52

accent

#DA4D95

background

#F8F6FA

surface

#F0EBF3

border

#CBC6CD

text

#0B060F

muted

#7C7A7F

Preview Lab

Preview with #51287B

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

Preview Lab → · Contrast checker → · Palette generator →