#51137B#51137B

#51137B is a dark, vivid violet. Relative luminance 0.036; OKLCH L 35.3% C 0.161 H 306.4°. Best body text is #FFFFFF at 12.15:1 contrast (WCAG AA passes).

Color values

HEX	#51137B
RGB	rgb(81, 19, 123)
HSL	hsl(276, 73%, 28%)
HSV	hsv(276, 85%, 48%)
CMYK	cmyk(34.1%, 84.6%, 0%, 51.8%)
CIE-LAB	lab(22.46, 45.78, -45.56)
CIE-LCH	lch(22.46, 64.59, 315.14°)
OKLab	oklab(35.25% 0.0956 -0.1298)
OKLCH	oklch(35.25% 0.161 306.4)
XYZ	xyz(7.2006, 3.6452, 19.0593)
Luminance	0.0365 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 2.86

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51137B #3D7B13

analogous

#1D137B #51137B #7B1371

triadic

#51137B #7B5113 #137B51

tetradic

#51137B #7B1D13 #3D7B13 #13717B

square

#51137B #7B1D13 #3D7B13 #13717B

split-complementary

#51137B #717B13 #137B1D

monochromatic

#11041B #2E0B46 #51137B #741BB0 #952ADE

Accessibility & contrast

On white

12.15

#51137B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#51137B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51137B

12.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51137B	#FFFFFF	#000000	##FFFFFF
##51137B	1.00	12.15	1.73	12.15
#FFFFFF	12.15	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00347E

Deuteranopia (green-blind)

#003679

Tritanopia (blue-blind)

#492F48

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #51137b;
/* rgb */ color: rgb(81, 19, 123);
/* oklch */ color: oklch(35.3% 0.161 306.4);

Tailwind

colors: {
  custom: {
    50: '#875aa2',
    500: '#51137b',
    950: '#000000',
  },
}

SCSS

$custom: #51137b;
$custom-light: #875aa2;
$custom-dark: #000000;

JSON

{
  "hex": "#51137b",
  "rgb": {
    "r": 81,
    "g": 19,
    "b": 123
  },
  "hsl": {
    "h": 275.769,
    "s": 73.239,
    "l": 27.843
  },
  "oklch": {
    "l": 0.35253,
    "c": 0.16119,
    "h": 306.4
  },
  "luminance": 0.03645
}

Semantic roles & 50–950 ramp

primary

#51137B

secondary

#69B139

accent

#F03882

background

#F8F5FA

surface

#F0E9F4

border

#CBC5CE

text

#0C040F

muted

#7D797F

Preview Lab

Preview with #51137B

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

Preview Lab → · Contrast checker → · Palette generator →