#51167B#51167B

#51167B is a dark, vivid violet. Relative luminance 0.038; OKLCH L 35.5% C 0.158 H 306.1°. Best body text is #FFFFFF at 12.00:1 contrast (WCAG AA passes).

Color values

HEX	#51167B
RGB	rgb(81, 22, 123)
HSL	hsl(275, 70%, 28%)
HSV	hsv(275, 82%, 48%)
CMYK	cmyk(34.1%, 82.1%, 0%, 51.8%)
CIE-LAB	lab(22.84, 44.69, -44.95)
CIE-LCH	lch(22.84, 63.38, 314.83°)
OKLab	oklab(35.52% 0.0932 -0.128)
OKLCH	oklch(35.52% 0.158 306.1)
XYZ	xyz(7.2546, 3.7533, 19.0773)
Luminance	0.0375 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 3.20

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51167B #407B16

analogous

#1F167B #51167B #7B1672

triadic

#51167B #7B5116 #167B51

tetradic

#51167B #7B1F16 #407B16 #16727B

square

#51167B #7B1F16 #407B16 #16727B

split-complementary

#51167B #727B16 #167B1F

monochromatic

#11051A #2F0D47 #51167B #731FAF #9431DA

Accessibility & contrast

On white

12.00

#51167B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#51167B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51167B

12.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51167B	#FFFFFF	#000000	##FFFFFF
##51167B	1.00	12.00	1.75	12.00
#FFFFFF	12.00	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	12.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00357E

Deuteranopia (green-blind)

#003779

Tritanopia (blue-blind)

#493149

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #51167b;
/* rgb */ color: rgb(81, 22, 123);
/* oklch */ color: oklch(35.5% 0.158 306.1);

Tailwind

colors: {
  custom: {
    50: '#875ba2',
    500: '#51167b',
    950: '#000000',
  },
}

SCSS

$custom: #51167b;
$custom-light: #875ba2;
$custom-dark: #000000;

JSON

{
  "hex": "#51167b",
  "rgb": {
    "r": 81,
    "g": 22,
    "b": 123
  },
  "hsl": {
    "h": 275.05,
    "s": 69.655,
    "l": 28.431
  },
  "oklch": {
    "l": 0.35515,
    "c": 0.15832,
    "h": 306.1
  },
  "luminance": 0.03753
}

Semantic roles & 50–950 ramp

primary

#51167B

secondary

#6DB03D

accent

#EC3B85

background

#F8F5FA

surface

#F0E9F4

border

#CBC5CE

text

#0C040F

muted

#7D797F

Preview Lab

Preview with #51167B

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

Preview Lab → · Contrast checker → · Palette generator →