#51237D#51237D

#51237D is a dark, vivid violet. Relative luminance 0.044; OKLCH L 37.1% C 0.145 H 303.4°. Best body text is #FFFFFF at 11.13:1 contrast (WCAG AA passes).

Color values

HEX	#51237D
RGB	rgb(81, 35, 125)
HSL	hsl(271, 56%, 31%)
HSV	hsv(271, 72%, 49%)
CMYK	cmyk(35.2%, 72%, 0%, 51%)
CIE-LAB	lab(25.05, 39.36, -42.62)
CIE-LCH	lch(25.05, 58.02, 312.72°)
OKLab	oklab(37.13% 0.0798 -0.1212)
OKLCH	oklch(37.13% 0.145 303.4)
XYZ	xyz(7.6952, 4.4321, 19.8481)
Luminance	0.0443 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 5.24

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51237D #4F7D23

analogous

#24237D #51237D #7D237C

triadic

#51237D #7D5123 #237D51

tetradic

#51237D #7D2423 #4F7D23 #237C7D

square

#51237D #7D2423 #4F7D23 #237C7D

split-complementary

#51237D #7C7D23 #237D24

monochromatic

#13081D #32164D #51237D #7030AD #8F4DCD

Accessibility & contrast

On white

11.13

#51237D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#51237D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51237D

11.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51237D	#FFFFFF	#000000	##FFFFFF
##51237D	1.00	11.13	1.89	11.13
#FFFFFF	11.13	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A80

Deuteranopia (green-blind)

#003B7B

Tritanopia (blue-blind)

#48384D

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #51237d;
/* rgb */ color: rgb(81, 35, 125);
/* oklch */ color: oklch(37.1% 0.145 303.4);

Tailwind

colors: {
  custom: {
    50: '#8662a3',
    500: '#51237d',
    950: '#000000',
  },
}

SCSS

$custom: #51237d;
$custom-light: #8662a3;
$custom-dark: #000000;

JSON

{
  "hex": "#51237d",
  "rgb": {
    "r": 81,
    "g": 35,
    "b": 125
  },
  "hsl": {
    "h": 270.667,
    "s": 56.25,
    "l": 31.373
  },
  "oklch": {
    "l": 0.37129,
    "c": 0.14516,
    "h": 303.4
  },
  "luminance": 0.04432
}

Semantic roles & 50–950 ramp

primary

#51237D

secondary

#7DAF4C

accent

#E04892

background

#F8F5FA

surface

#F0EAF4

border

#CBC6CE

text

#0C050F

muted

#7D797F

Preview Lab

Preview with #51237D

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

Preview Lab → · Contrast checker → · Palette generator →