#51247B#51247B

#51247B is a dark, vivid violet. Relative luminance 0.044; OKLCH L 37.1% C 0.141 H 303.9°. Best body text is #FFFFFF at 11.12:1 contrast (WCAG AA passes).

Color values

HEX	#51247B
RGB	rgb(81, 36, 123)
HSL	hsl(271, 55%, 31%)
HSV	hsv(271, 71%, 48%)
CMYK	cmyk(34.1%, 70.7%, 0%, 51.8%)
CIE-LAB	lab(25.08, 38.33, -41.31)
CIE-LCH	lch(25.08, 56.35, 312.86°)
OKLab	oklab(37.1% 0.079 -0.1174)
OKLCH	oklch(37.1% 0.141 303.9)
XYZ	xyz(7.5986, 4.4412, 19.1920)
Luminance	0.0444 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 5.60

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51247B #4E7B24

analogous

#25247B #51247B #7B2479

triadic

#51247B #7B5124 #247B51

tetradic

#51247B #7B2524 #4E7B24 #24797B

square

#51247B #7B2524 #4E7B24 #24797B

split-complementary

#51247B #797B24 #247B25

monochromatic

#13081C #32164C #51247B #7032AA #8F4ECB

Accessibility & contrast

On white

11.12

#51247B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#51247B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51247B

11.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51247B	#FFFFFF	#000000	##FFFFFF
##51247B	1.00	11.12	1.89	11.12
#FFFFFF	11.12	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A7E

Deuteranopia (green-blind)

#013B79

Tritanopia (blue-blind)

#49384C

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #51247b;
/* rgb */ color: rgb(81, 36, 123);
/* oklch */ color: oklch(37.1% 0.141 303.9);

Tailwind

colors: {
  custom: {
    50: '#8662a2',
    500: '#51247b',
    950: '#000000',
  },
}

SCSS

$custom: #51247b;
$custom-light: #8662a2;
$custom-dark: #000000;

JSON

{
  "hex": "#51247b",
  "rgb": {
    "r": 81,
    "g": 36,
    "b": 123
  },
  "hsl": {
    "h": 271.034,
    "s": 54.717,
    "l": 31.176
  },
  "oklch": {
    "l": 0.371,
    "c": 0.14149,
    "h": 303.9
  },
  "luminance": 0.04441
}

Semantic roles & 50–950 ramp

primary

#51247B

secondary

#7CAD4D

accent

#DE4A91

background

#F8F6FA

surface

#F0EBF3

border

#CBC6CD

text

#0B050F

muted

#7C7A7F

Preview Lab

Preview with #51247B

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

Preview Lab → · Contrast checker → · Palette generator →