#51288B#51288B

#51288B is a dark, vivid violet. Relative luminance 0.051; OKLCH L 38.9% C 0.155 H 297.7°. Best body text is #FFFFFF at 10.36:1 contrast (WCAG AA passes).

Color values

HEX	#51288B
RGB	rgb(81, 40, 139)
HSL	hsl(265, 55%, 35%)
HSV	hsv(265, 71%, 55%)
CMYK	cmyk(41.7%, 71.2%, 0%, 45.5%)
CIE-LAB	lab(27.10, 40.50, -48.06)
CIE-LCH	lch(27.10, 62.85, 310.12°)
OKLab	oklab(38.95% 0.072 -0.1373)
OKLCH	oklch(38.95% 0.155 297.7)
XYZ	xyz(8.8111, 5.1308, 24.9472)
Luminance	0.0513 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 7.60

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51288B #628B28

analogous

#28318B #51288B #82288B

triadic

#51288B #8B5128 #288B51

tetradic

#51288B #8B2831 #628B28 #288B82

square

#51288B #8B2831 #628B28 #288B82

split-complementary

#51288B #8B8228 #318B28

monochromatic

#1A0D2C #351A5B #51288B #6D36BB #8D5DD0

Accessibility & contrast

On white

10.36

#51288B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#51288B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51288B

10.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51288B	#FFFFFF	#000000	##FFFFFF
##51288B	1.00	10.36	2.03	10.36
#FFFFFF	10.36	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00408E

Deuteranopia (green-blind)

#003F89

Tritanopia (blue-blind)

#434056

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #51288b;
/* rgb */ color: rgb(81, 40, 139);
/* oklch */ color: oklch(38.9% 0.155 297.7);

Tailwind

colors: {
  custom: {
    50: '#8765ae',
    500: '#51288b',
    950: '#000000',
  },
}

SCSS

$custom: #51288b;
$custom-light: #8765ae;
$custom-dark: #000000;

JSON

{
  "hex": "#51288b",
  "rgb": {
    "r": 81,
    "g": 40,
    "b": 139
  },
  "hsl": {
    "h": 264.848,
    "s": 55.307,
    "l": 35.098
  },
  "oklch": {
    "l": 0.38947,
    "c": 0.15499,
    "h": 297.7
  },
  "luminance": 0.05131
}

Semantic roles & 50–950 ramp

primary

#51288B

secondary

#8FB659

accent

#DF49A1

background

#F8F6FA

surface

#F0EBF4

border

#CBC6CE

text

#0C0610

muted

#7D7A7F

Preview Lab

Preview with #51288B

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

Preview Lab → · Contrast checker → · Palette generator →