#51309E#51309E

#51309E is a dark, vivid violet. Relative luminance 0.063; OKLCH L 41.7% C 0.168 H 291.1°. Best body text is #FFFFFF at 9.27:1 contrast (WCAG AA passes).

Color values

HEX	#51309E
RGB	rgb(81, 48, 158)
HSL	hsl(258, 53%, 40%)
HSV	hsv(258, 70%, 62%)
CMYK	cmyk(48.7%, 69.6%, 0%, 38%)
CIE-LAB	lab(30.23, 41.54, -54.63)
CIE-LCH	lch(30.23, 68.63, 307.25°)
OKLab	oklab(41.67% 0.0604 -0.1566)
OKLCH	oklch(41.67% 0.168 291.1)
XYZ	xyz(10.6201, 6.3315, 33.0036)
Luminance	0.0633 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.51

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51309E #7D9E30

analogous

#30469E #51309E #88309E

triadic

#51309E #9E5130 #309E51

tetradic

#51309E #9E3046 #7D9E30 #309E88

square

#51309E #9E3046 #7D9E30 #309E88

split-complementary

#51309E #9E8830 #469E30

monochromatic

#211340 #39226F #51309E #6C45C6 #9174D5

Accessibility & contrast

On white

9.27

#51309E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#51309E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51309E

9.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51309E	#FFFFFF	#000000	##FFFFFF
##51309E	1.00	9.27	2.27	9.27
#FFFFFF	9.27	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049A1

Deuteranopia (green-blind)

#00459C

Tritanopia (blue-blind)

#384C63

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #51309e;
/* rgb */ color: rgb(81, 48, 158);
/* oklch */ color: oklch(41.7% 0.168 291.1);

Tailwind

colors: {
  custom: {
    50: '#896bbc',
    500: '#51309e',
    950: '#000000',
  },
}

SCSS

$custom: #51309e;
$custom-light: #896bbc;
$custom-dark: #000000;

JSON

{
  "hex": "#51309e",
  "rgb": {
    "r": 81,
    "g": 48,
    "b": 158
  },
  "hsl": {
    "h": 258,
    "s": 53.398,
    "l": 40.392
  },
  "oklch": {
    "l": 0.41673,
    "c": 0.16785,
    "h": 291.1
  },
  "luminance": 0.06332
}

Semantic roles & 50–950 ramp

primary

#51309E

secondary

#A5BD6D

accent

#DD4BB1

background

#F8F6FB

surface

#F0EBF6

border

#CBC6D0

text

#0C0712

muted

#7D7A81

Preview Lab

Preview with #51309E

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

Preview Lab → · Contrast checker → · Palette generator →