#51287D#51287D

#51287D is a dark, vivid violet. Relative luminance 0.047; OKLCH L 37.8% C 0.138 H 302.4°. Best body text is #FFFFFF at 10.77:1 contrast (WCAG AA passes).

Color values

HEX	#51287D
RGB	rgb(81, 40, 125)
HSL	hsl(269, 52%, 32%)
HSV	hsv(269, 68%, 49%)
CMYK	cmyk(35.2%, 68%, 0%, 51%)
CIE-LAB	lab(26.00, 36.72, -41.08)
CIE-LCH	lch(26.00, 55.10, 311.79°)
OKLab	oklab(37.81% 0.074 -0.1167)
OKLCH	oklch(37.81% 0.138 302.4)
XYZ	xyz(7.8529, 4.7476, 19.9007)
Luminance	0.0475 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51287D #547D28

analogous

#282A7D #51287D #7B287D

triadic

#51287D #7D5128 #287D51

tetradic

#51287D #7D282A #547D28 #287D7B

square

#51287D #7D282A #547D28 #287D7B

split-complementary

#51287D #7D7B28 #2A7D28

monochromatic

#150A20 #33194F #51287D #6F37AB #8E56C9

Accessibility & contrast

On white

10.77

#51287D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#51287D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51287D

10.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51287D	#FFFFFF	#000000	##FFFFFF
##51287D	1.00	10.77	1.95	10.77
#FFFFFF	10.77	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D80

Deuteranopia (green-blind)

#063D7B

Tritanopia (blue-blind)

#483B4F

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #51287d;
/* rgb */ color: rgb(81, 40, 125);
/* oklch */ color: oklch(37.8% 0.138 302.4);

Tailwind

colors: {
  custom: {
    50: '#8665a3',
    500: '#51287d',
    950: '#000000',
  },
}

SCSS

$custom: #51287d;
$custom-light: #8665a3;
$custom-dark: #000000;

JSON

{
  "hex": "#51287d",
  "rgb": {
    "r": 81,
    "g": 40,
    "b": 125
  },
  "hsl": {
    "h": 268.941,
    "s": 51.515,
    "l": 32.353
  },
  "oklch": {
    "l": 0.37811,
    "c": 0.1382,
    "h": 302.4
  },
  "luminance": 0.04748
}

Semantic roles & 50–950 ramp

primary

#51287D

secondary

#82AE53

accent

#DB4D96

background

#F8F6FA

surface

#F0EBF4

border

#CBC6CE

text

#0B060F

muted

#7C7A7F

Preview Lab

Preview with #51287D

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

Preview Lab → · Contrast checker → · Palette generator →