#51137D#51137D

#51137D is a dark, vivid violet. Relative luminance 0.037; OKLCH L 35.4% C 0.163 H 305.6°. Best body text is #FFFFFF at 12.07:1 contrast (WCAG AA passes).

Color values

HEX	#51137D
RGB	rgb(81, 19, 125)
HSL	hsl(275, 74%, 28%)
HSV	hsv(275, 85%, 49%)
CMYK	cmyk(35.2%, 84.8%, 0%, 51%)
CIE-LAB	lab(22.64, 46.25, -46.55)
CIE-LCH	lch(22.64, 65.62, 314.82°)
OKLab	oklab(35.43% 0.095 -0.1327)
OKLCH	oklch(35.43% 0.163 305.6)
XYZ	xyz(7.3270, 3.6958, 19.7254)
Luminance	0.0370 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 2.65

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51137D #3F7D13

analogous

#1C137D #51137D #7D1374

triadic

#51137D #7D5113 #137D51

tetradic

#51137D #7D1C13 #3F7D13 #13747D

square

#51137D #7D1C13 #3F7D13 #13747D

split-complementary

#51137D #747D13 #137D1C

monochromatic

#11041B #2F0B48 #51137D #731BB2 #942CDF

Accessibility & contrast

On white

12.07

#51137D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#51137D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51137D

12.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51137D	#FFFFFF	#000000	##FFFFFF
##51137D	1.00	12.07	1.74	12.07
#FFFFFF	12.07	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003480

Deuteranopia (green-blind)

#00367B

Tritanopia (blue-blind)

#493049

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #51137d;
/* rgb */ color: rgb(81, 19, 125);
/* oklch */ color: oklch(35.4% 0.163 305.6);

Tailwind

colors: {
  custom: {
    50: '#875aa3',
    500: '#51137d',
    950: '#000000',
  },
}

SCSS

$custom: #51137d;
$custom-light: #875aa3;
$custom-dark: #000000;

JSON

{
  "hex": "#51137d",
  "rgb": {
    "r": 81,
    "g": 19,
    "b": 125
  },
  "hsl": {
    "h": 275.094,
    "s": 73.611,
    "l": 28.235
  },
  "oklch": {
    "l": 0.35431,
    "c": 0.16316,
    "h": 305.6
  },
  "luminance": 0.03696
}

Semantic roles & 50–950 ramp

primary

#51137D

secondary

#6CB339

accent

#F03884

background

#F8F5FA

surface

#F0E9F4

border

#CBC5CE

text

#0C040F

muted

#7D797F

Preview Lab

Preview with #51137D

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

Preview Lab → · Contrast checker → · Palette generator →