#511FA8#511FA8

#511FA8 is a dark, vivid violet. Relative luminance 0.056; OKLCH L 40.6% C 0.197 H 291.4°. Best body text is #FFFFFF at 9.95:1 contrast (WCAG AA passes).

Color values

HEX	#511FA8
RGB	rgb(81, 31, 168)
HSL	hsl(262, 69%, 39%)
HSV	hsv(262, 82%, 66%)
CMYK	cmyk(51.8%, 81.5%, 0%, 34.1%)
CIE-LAB	lab(28.26, 52.50, -63.92)
CIE-LCH	lch(28.26, 82.71, 309.40°)
OKLab	oklab(40.57% 0.072 -0.1837)
OKLCH	oklch(40.57% 0.197 291.4)
XYZ	xyz(10.9492, 5.5560, 37.5337)
Luminance	0.0556 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511FA8 #76A81F

analogous

#1F32A8 #511FA8 #961FA8

triadic

#511FA8 #A8511F #1FA851

tetradic

#511FA8 #A81F32 #76A81F #1FA896

square

#511FA8 #A81F32 #76A81F #1FA896

split-complementary

#511FA8 #A8961F #32A81F

monochromatic

#1F0C41 #381574 #511FA8 #6B2CD8 #8F60E2

Accessibility & contrast

On white

9.95

#511FA8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#511FA8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511FA8

9.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511FA8	#FFFFFF	#000000	##FFFFFF
##511FA8	1.00	9.95	2.11	9.95
#FFFFFF	9.95	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045AC

Deuteranopia (green-blind)

#0040A6

Tritanopia (blue-blind)

#324865

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #511fa8;
/* rgb */ color: rgb(81, 31, 168);
/* oklch */ color: oklch(40.6% 0.197 291.4);

Tailwind

colors: {
  custom: {
    50: '#8c62c3',
    500: '#511fa8',
    950: '#000000',
  },
}

SCSS

$custom: #511fa8;
$custom-light: #8c62c3;
$custom-dark: #000000;

JSON

{
  "hex": "#511fa8",
  "rgb": {
    "r": 81,
    "g": 31,
    "b": 168
  },
  "hsl": {
    "h": 261.898,
    "s": 68.844,
    "l": 39.02
  },
  "oklch": {
    "l": 0.40566,
    "c": 0.19728,
    "h": 291.4
  },
  "luminance": 0.05556
}

Semantic roles & 50–950 ramp

primary

#511FA8

secondary

#A0C65D

accent

#EC3CAC

background

#F9F6FC

surface

#F1EBF8

border

#CBC6D1

text

#0D0513

muted

#7E7A82

Preview Lab

Preview with #511FA8

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

Preview Lab → · Contrast checker → · Palette generator →