#51156B#51156B

#51156B is a dark, vivid purple. Relative luminance 0.033; OKLCH L 34.1% C 0.143 H 313.1°. Best body text is #FFFFFF at 12.58:1 contrast (WCAG AA passes).

Color values

HEX	#51156B
RGB	rgb(81, 21, 107)
HSL	hsl(282, 67%, 25%)
HSV	hsv(282, 80%, 42%)
CMYK	cmyk(24.3%, 80.4%, 0%, 58%)
CIE-LAB	lab(21.38, 41.37, -37.02)
CIE-LCH	lch(21.38, 55.51, 318.18°)
OKLab	oklab(34.08% 0.0979 -0.1047)
OKLCH	oklch(34.08% 0.143 313.1)
XYZ	xyz(6.3149, 3.3474, 14.2205)
Luminance	0.0335 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51156B #2F6B15

analogous

#26156B #51156B #6B155A

triadic

#51156B #6B5115 #156B51

tetradic

#51156B #6B2615 #2F6B15 #155A6B

square

#51156B #6B2615 #2F6B15 #155A6B

split-complementary

#51156B #5A6B15 #156B26

monochromatic

#13051A #2A0B38 #51156B #781F9E #9E29D1

Accessibility & contrast

On white

12.58

#51156B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#51156B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51156B

12.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51156B	#FFFFFF	#000000	##FFFFFF
##51156B	1.00	12.58	1.67	12.58
#FFFFFF	12.58	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00306D

Deuteranopia (green-blind)

#0A3569

Tritanopia (blue-blind)

#4E293F

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #51156b;
/* rgb */ color: rgb(81, 21, 107);
/* oklch */ color: oklch(34.1% 0.143 313.1);

Tailwind

colors: {
  custom: {
    50: '#855a96',
    500: '#51156b',
    950: '#000000',
  },
}

SCSS

$custom: #51156b;
$custom-light: #855a96;
$custom-dark: #000000;

JSON

{
  "hex": "#51156b",
  "rgb": {
    "r": 81,
    "g": 21,
    "b": 107
  },
  "hsl": {
    "h": 281.86,
    "s": 67.188,
    "l": 25.098
  },
  "oklch": {
    "l": 0.34082,
    "c": 0.14329,
    "h": 313.1
  },
  "luminance": 0.03347
}

Semantic roles & 50–950 ramp

primary

#51156B

secondary

#59A23A

accent

#EA3E72

background

#F8F5F9

surface

#F0E9F2

border

#CBC5CC

text

#0B040D

muted

#7C797E

Preview Lab

Preview with #51156B

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

Preview Lab → · Contrast checker → · Palette generator →