#51157B#51157B

#51157B is a dark, vivid violet. Relative luminance 0.037; OKLCH L 35.4% C 0.159 H 306.2°. Best body text is #FFFFFF at 12.05:1 contrast (WCAG AA passes).

Color values

HEX	#51157B
RGB	rgb(81, 21, 123)
HSL	hsl(275, 71%, 28%)
HSV	hsv(275, 83%, 48%)
CMYK	cmyk(34.1%, 82.9%, 0%, 51.8%)
CIE-LAB	lab(22.71, 45.06, -45.16)
CIE-LCH	lch(22.71, 63.80, 314.94°)
OKLab	oklab(35.43% 0.094 -0.1286)
OKLCH	oklch(35.43% 0.159 306.2)
XYZ	xyz(7.2359, 3.7158, 19.0711)
Luminance	0.0372 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 3.08

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51157B #3F7B15

analogous

#1E157B #51157B #7B1572

triadic

#51157B #7B5115 #157B51

tetradic

#51157B #7B1E15 #3F7B15 #15727B

square

#51157B #7B1E15 #3F7B15 #15727B

split-complementary

#51157B #727B15 #157B1E

monochromatic

#11041A #2F0C47 #51157B #731EAF #942FDB

Accessibility & contrast

On white

12.05

#51157B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#51157B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51157B

12.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51157B	#FFFFFF	#000000	##FFFFFF
##51157B	1.00	12.05	1.74	12.05
#FFFFFF	12.05	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00357E

Deuteranopia (green-blind)

#003679

Tritanopia (blue-blind)

#493049

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #51157b;
/* rgb */ color: rgb(81, 21, 123);
/* oklch */ color: oklch(35.4% 0.159 306.2);

Tailwind

colors: {
  custom: {
    50: '#875ba2',
    500: '#51157b',
    950: '#000000',
  },
}

SCSS

$custom: #51157b;
$custom-light: #875ba2;
$custom-dark: #000000;

JSON

{
  "hex": "#51157b",
  "rgb": {
    "r": 81,
    "g": 21,
    "b": 123
  },
  "hsl": {
    "h": 275.294,
    "s": 70.833,
    "l": 28.235
  },
  "oklch": {
    "l": 0.35425,
    "c": 0.1593,
    "h": 306.2
  },
  "luminance": 0.03716
}

Semantic roles & 50–950 ramp

primary

#51157B

secondary

#6CB03B

accent

#EE3A84

background

#F8F5FA

surface

#F0E9F4

border

#CBC5CE

text

#0C040F

muted

#7D797F

Preview Lab

Preview with #51157B

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

Preview Lab → · Contrast checker → · Palette generator →