#511B9E#511B9E

#511B9E is a dark, vivid violet. Relative luminance 0.050; OKLCH L 39.2% C 0.190 H 294.3°. Best body text is #FFFFFF at 10.50:1 contrast (WCAG AA passes).

Color values

HEX	#511B9E
RGB	rgb(81, 27, 158)
HSL	hsl(265, 71%, 36%)
HSV	hsv(265, 83%, 62%)
CMYK	cmyk(48.7%, 82.9%, 0%, 38%)
CIE-LAB	lab(26.74, 51.47, -60.36)
CIE-LCH	lch(26.74, 79.32, 310.45°)
OKLab	oklab(39.22% 0.0781 -0.1732)
OKLCH	oklch(39.22% 0.19 294.3)
XYZ	xyz(9.9551, 5.0015, 32.7820)
Luminance	0.0500 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511B9E #689E1B

analogous

#1B269E #511B9E #931B9E

triadic

#511B9E #9E511B #1B9E51

tetradic

#511B9E #9E1B26 #689E1B #1B9E93

square

#511B9E #9E1B26 #689E1B #1B9E93

split-complementary

#511B9E #9E931B #269E1B

monochromatic

#1B0935 #36126A #511B9E #6C24D2 #8D52E1

Accessibility & contrast

On white

10.50

#511B9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#511B9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511B9E

10.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511B9E	#FFFFFF	#000000	##FFFFFF
##511B9E	1.00	10.50	2.00	10.50
#FFFFFF	10.50	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0040A1

Deuteranopia (green-blind)

#003D9C

Tritanopia (blue-blind)

#39425E

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #511b9e;
/* rgb */ color: rgb(81, 27, 158);
/* oklch */ color: oklch(39.2% 0.190 294.3);

Tailwind

colors: {
  custom: {
    50: '#8a60bc',
    500: '#511b9e',
    950: '#000000',
  },
}

SCSS

$custom: #511b9e;
$custom-light: #8a60bc;
$custom-dark: #000000;

JSON

{
  "hex": "#511b9e",
  "rgb": {
    "r": 81,
    "g": 27,
    "b": 158
  },
  "hsl": {
    "h": 264.733,
    "s": 70.811,
    "l": 36.275
  },
  "oklch": {
    "l": 0.39215,
    "c": 0.19003,
    "h": 294.3
  },
  "luminance": 0.05002
}

Semantic roles & 50–950 ramp

primary

#511B9E

secondary

#95C451

accent

#EE3AA4

background

#F9F5FB

surface

#F1EAF6

border

#CBC6D0

text

#0D0512

muted

#7E7981

Preview Lab

Preview with #511B9E

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

Preview Lab → · Contrast checker → · Palette generator →