#51308E#51308E

#51308E is a dark, vivid violet. Relative luminance 0.058; OKLCH L 40.3% C 0.148 H 295.1°. Best body text is #FFFFFF at 9.71:1 contrast (WCAG AA passes).

Color values

HEX	#51308E
RGB	rgb(81, 48, 142)
HSL	hsl(261, 49%, 37%)
HSV	hsv(261, 66%, 56%)
CMYK	cmyk(43%, 66.2%, 0%, 44.3%)
CIE-LAB	lab(28.94, 36.94, -46.94)
CIE-LCH	lch(28.94, 59.73, 308.20°)
OKLab	oklab(40.34% 0.0627 -0.134)
OKLCH	oklch(40.34% 0.148 295.1)
XYZ	xyz(9.3315, 5.8160, 26.2169)
Luminance	0.0582 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51308E #6D8E30

analogous

#303E8E #51308E #80308E

triadic

#51308E #8E5130 #308E51

tetradic

#51308E #8E303E #6D8E30 #308E80

square

#51308E #8E303E #6D8E30 #308E80

split-complementary

#51308E #8E8030 #3E8E30

monochromatic

#1D1133 #372160 #51308E #6B3FBC #8E6BCD

Accessibility & contrast

On white

9.71

#51308E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#51308E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51308E

9.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51308E	#FFFFFF	#000000	##FFFFFF
##51308E	1.00	9.71	2.16	9.71
#FFFFFF	9.71	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004591

Deuteranopia (green-blind)

#00438C

Tritanopia (blue-blind)

#41465A

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #51308e;
/* rgb */ color: rgb(81, 48, 142);
/* oklch */ color: oklch(40.3% 0.148 295.1);

Tailwind

colors: {
  custom: {
    50: '#876ab0',
    500: '#51308e',
    950: '#000000',
  },
}

SCSS

$custom: #51308e;
$custom-light: #876ab0;
$custom-dark: #000000;

JSON

{
  "hex": "#51308e",
  "rgb": {
    "r": 81,
    "g": 48,
    "b": 142
  },
  "hsl": {
    "h": 261.064,
    "s": 49.474,
    "l": 37.255
  },
  "oklch": {
    "l": 0.40342,
    "c": 0.1479,
    "h": 295.1
  },
  "luminance": 0.05816
}

Semantic roles & 50–950 ramp

primary

#51308E

secondary

#99B465

accent

#D94FA8

background

#F8F6FA

surface

#F0EBF5

border

#CBC6CF

text

#0C0610

muted

#7D7A7F

Preview Lab

Preview with #51308E

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

Preview Lab → · Contrast checker → · Palette generator →