#51317C#51317C

#51317C is a dark, vivid violet. Relative luminance 0.054; OKLCH L 39.1% C 0.123 H 300.5°. Best body text is #FFFFFF at 10.10:1 contrast (WCAG AA passes).

Color values

HEX	#51317C
RGB	rgb(81, 49, 124)
HSL	hsl(266, 43%, 34%)
HSV	hsv(266, 60%, 49%)
CMYK	cmyk(34.7%, 60.5%, 0%, 51.4%)
CIE-LAB	lab(27.85, 31.29, -37.48)
CIE-LCH	lch(27.85, 48.82, 309.86°)
OKLab	oklab(39.13% 0.0625 -0.1062)
OKLCH	oklch(39.13% 0.123 300.5)
XYZ	xyz(8.1289, 5.4011, 19.6791)
Luminance	0.0540 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51317C #5C7C31

analogous

#31377C #51317C #77317C

triadic

#51317C #7C5131 #317C51

tetradic

#51317C #7C3137 #5C7C31 #317C77

square

#51317C #7C3137 #5C7C31 #317C77

split-complementary

#51317C #7C7731 #377C31

monochromatic

#180E24 #342050 #51317C #6E42A8 #8D65C2

Accessibility & contrast

On white

10.10

#51317C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#51317C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51317C

10.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51317C	#FFFFFF	#000000	##FFFFFF
##51317C	1.00	10.10	2.08	10.10
#FFFFFF	10.10	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C417E

Deuteranopia (green-blind)

#1B417A

Tritanopia (blue-blind)

#484051

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #51317c;
/* rgb */ color: rgb(81, 49, 124);
/* oklch */ color: oklch(39.1% 0.123 300.5);

Tailwind

colors: {
  custom: {
    50: '#856aa2',
    500: '#51317c',
    950: '#000000',
  },
}

SCSS

$custom: #51317c;
$custom-light: #856aa2;
$custom-dark: #000000;

JSON

{
  "hex": "#51317c",
  "rgb": {
    "r": 81,
    "g": 49,
    "b": 124
  },
  "hsl": {
    "h": 265.6,
    "s": 43.353,
    "l": 33.922
  },
  "oklch": {
    "l": 0.39128,
    "c": 0.1232,
    "h": 300.5
  },
  "luminance": 0.05401
}

Semantic roles & 50–950 ramp

primary

#51317C

secondary

#8AAA5F

accent

#D3559D

background

#F8F6FA

surface

#EFEBF3

border

#CAC6CD

text

#0B060F

muted

#7C7A7F

Preview Lab

Preview with #51317C

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

Preview Lab → · Contrast checker → · Palette generator →