#51207B#51207B

#51207B is a dark, vivid violet. Relative luminance 0.042; OKLCH L 36.6% C 0.147 H 304.7°. Best body text is #FFFFFF at 11.40:1 contrast (WCAG AA passes).

Color values

HEX	#51207B
RGB	rgb(81, 32, 123)
HSL	hsl(272, 59%, 30%)
HSV	hsv(272, 74%, 48%)
CMYK	cmyk(34.1%, 74%, 0%, 51.8%)
CIE-LAB	lab(24.36, 40.33, -42.47)
CIE-LCH	lch(24.36, 58.57, 313.52°)
OKLab	oklab(36.59% 0.0835 -0.1208)
OKLCH	oklch(36.59% 0.147 304.7)
XYZ	xyz(7.4842, 4.2125, 19.1539)
Luminance	0.0421 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 4.79

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51207B #4A7B20

analogous

#24207B #51207B #7B2077

triadic

#51207B #7B5120 #207B51

tetradic

#51207B #7B2420 #4A7B20 #20777B

square

#51207B #7B2420 #4A7B20 #20777B

split-complementary

#51207B #777B20 #207B24

monochromatic

#11071A #31134A #51207B #712DAC #9046CF

Accessibility & contrast

On white

11.40

#51207B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#51207B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51207B

11.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51207B	#FFFFFF	#000000	##FFFFFF
##51207B	1.00	11.40	1.84	11.40
#FFFFFF	11.40	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00397E

Deuteranopia (green-blind)

#003A79

Tritanopia (blue-blind)

#49354B

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #51207b;
/* rgb */ color: rgb(81, 32, 123);
/* oklch */ color: oklch(36.6% 0.147 304.7);

Tailwind

colors: {
  custom: {
    50: '#8660a2',
    500: '#51207b',
    950: '#000000',
  },
}

SCSS

$custom: #51207b;
$custom-light: #8660a2;
$custom-dark: #000000;

JSON

{
  "hex": "#51207b",
  "rgb": {
    "r": 81,
    "g": 32,
    "b": 123
  },
  "hsl": {
    "h": 272.308,
    "s": 58.71,
    "l": 30.392
  },
  "oklch": {
    "l": 0.36588,
    "c": 0.14682,
    "h": 304.7
  },
  "luminance": 0.04212
}

Semantic roles & 50–950 ramp

primary

#51207B

secondary

#77AE49

accent

#E2468E

background

#F8F5FA

surface

#F0EAF3

border

#CBC6CD

text

#0C050F

muted

#7D797F

Preview Lab

Preview with #51207B

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

Preview Lab → · Contrast checker → · Palette generator →