#51177D#51177D

#51177D is a dark, vivid violet. Relative luminance 0.038; OKLCH L 35.8% C 0.159 H 305.2°. Best body text is #FFFFFF at 11.87:1 contrast (WCAG AA passes).

Color values

HEX	#51177D
RGB	rgb(81, 23, 125)
HSL	hsl(274, 69%, 29%)
HSV	hsv(274, 82%, 49%)
CMYK	cmyk(35.2%, 81.6%, 0%, 51%)
CIE-LAB	lab(23.14, 44.78, -45.72)
CIE-LCH	lch(23.14, 64.00, 314.40°)
OKLab	oklab(35.78% 0.0918 -0.1303)
OKLCH	oklch(35.78% 0.159 305.2)
XYZ	xyz(7.4006, 3.8428, 19.7499)
Luminance	0.0384 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 3.15

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51177D #437D17

analogous

#1E177D #51177D #7D1776

triadic

#51177D #7D5117 #177D51

tetradic

#51177D #7D1E17 #437D17 #17767D

square

#51177D #7D1E17 #437D17 #17767D

split-complementary

#51177D #767D17 #177D1E

monochromatic

#11051A #300D49 #51177D #7221B1 #9335DA

Accessibility & contrast

On white

11.87

#51177D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#51177D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51177D

11.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51177D	#FFFFFF	#000000	##FFFFFF
##51177D	1.00	11.87	1.77	11.87
#FFFFFF	11.87	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003680

Deuteranopia (green-blind)

#00377B

Tritanopia (blue-blind)

#49324A

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #51177d;
/* rgb */ color: rgb(81, 23, 125);
/* oklch */ color: oklch(35.8% 0.159 305.2);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#51177d",
  "rgb": {
    "r": 81,
    "g": 23,
    "b": 125
  },
  "hsl": {
    "h": 274.118,
    "s": 68.919,
    "l": 29.02
  },
  "oklch": {
    "l": 0.35783,
    "c": 0.15935,
    "h": 305.2
  },
  "luminance": 0.03843
}

Semantic roles & 50–950 ramp

primary

#51177D

secondary

#70B23E

accent

#EC3C88

background

#F8F5FA

surface

#F0E9F4

border

#CBC5CE

text

#0C040F

muted

#7D797F

Preview Lab

Preview with #51177D

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

Preview Lab → · Contrast checker → · Palette generator →