#51177C#51177C

#51177C is a dark, vivid violet. Relative luminance 0.038; OKLCH L 35.7% C 0.158 H 305.6°. Best body text is #FFFFFF at 11.91:1 contrast (WCAG AA passes).

Color values

HEX	#51177C
RGB	rgb(81, 23, 124)
HSL	hsl(274, 69%, 29%)
HSV	hsv(274, 81%, 49%)
CMYK	cmyk(34.7%, 81.5%, 0%, 51.4%)
CIE-LAB	lab(23.06, 44.54, -45.23)
CIE-LCH	lch(23.06, 63.48, 314.56°)
OKLab	oklab(35.7% 0.0921 -0.1288)
OKLCH	oklch(35.7% 0.158 305.6)
XYZ	xyz(7.3370, 3.8174, 19.4152)
Luminance	0.0382 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 3.23

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51177C #427C17

analogous

#1F177C #51177C #7C1775

triadic

#51177C #7C5117 #177C51

tetradic

#51177C #7C1F17 #427C17 #17757C

square

#51177C #7C1F17 #427C17 #17757C

split-complementary

#51177C #757C17 #177C1F

monochromatic

#11051A #2F0D48 #51177C #7321B0 #9334D9

Accessibility & contrast

On white

11.91

#51177C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#51177C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51177C

11.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51177C	#FFFFFF	#000000	##FFFFFF
##51177C	1.00	11.91	1.76	11.91
#FFFFFF	11.91	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00357F

Deuteranopia (green-blind)

#00377A

Tritanopia (blue-blind)

#49314A

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #51177c;
/* rgb */ color: rgb(81, 23, 124);
/* oklch */ color: oklch(35.7% 0.158 305.6);

Tailwind

colors: {
  custom: {
    50: '#875ca3',
    500: '#51177c',
    950: '#000000',
  },
}

SCSS

$custom: #51177c;
$custom-light: #875ca3;
$custom-dark: #000000;

JSON

{
  "hex": "#51177c",
  "rgb": {
    "r": 81,
    "g": 23,
    "b": 124
  },
  "hsl": {
    "h": 274.455,
    "s": 68.707,
    "l": 28.824
  },
  "oklch": {
    "l": 0.35696,
    "c": 0.15832,
    "h": 305.6
  },
  "luminance": 0.03817
}

Semantic roles & 50–950 ramp

primary

#51177C

secondary

#6FB13E

accent

#EC3C87

background

#F8F5FA

surface

#F0E9F4

border

#CBC5CE

text

#0C040F

muted

#7D797F

Preview Lab

Preview with #51177C

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

Preview Lab → · Contrast checker → · Palette generator →