#511FA9#511FA9

#511FA9 is a dark, vivid violet. Relative luminance 0.056; OKLCH L 40.7% C 0.198 H 291.2°. Best body text is #FFFFFF at 9.91:1 contrast (WCAG AA passes).

Color values

HEX	#511FA9
RGB	rgb(81, 31, 169)
HSL	hsl(262, 69%, 39%)
HSV	hsv(262, 82%, 66%)
CMYK	cmyk(52.1%, 81.7%, 0%, 33.7%)
CIE-LAB	lab(28.36, 52.76, -64.36)
CIE-LCH	lch(28.36, 83.22, 309.34°)
OKLab	oklab(40.66% 0.0716 -0.185)
OKLCH	oklch(40.66% 0.198 291.2)
XYZ	xyz(11.0427, 5.5934, 38.0262)
Luminance	0.0559 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511FA9 #77A91F

analogous

#1F32A9 #511FA9 #961FA9

triadic

#511FA9 #A9511F #1FA951

tetradic

#511FA9 #A91F32 #77A91F #1FA996

square

#511FA9 #A91F32 #77A91F #1FA996

split-complementary

#511FA9 #A9961F #32A91F

monochromatic

#1F0C42 #381675 #511FA9 #6B2DD8 #8F60E2

Accessibility & contrast

On white

9.91

#511FA9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#511FA9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511FA9

9.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511FA9	#FFFFFF	#000000	##FFFFFF
##511FA9	1.00	9.91	2.12	9.91
#FFFFFF	9.91	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045AD

Deuteranopia (green-blind)

#0040A7

Tritanopia (blue-blind)

#324865

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #511fa9;
/* rgb */ color: rgb(81, 31, 169);
/* oklch */ color: oklch(40.7% 0.198 291.2);

Tailwind

colors: {
  custom: {
    50: '#8c62c4',
    500: '#511fa9',
    950: '#000000',
  },
}

SCSS

$custom: #511fa9;
$custom-light: #8c62c4;
$custom-dark: #000000;

JSON

{
  "hex": "#511fa9",
  "rgb": {
    "r": 81,
    "g": 31,
    "b": 169
  },
  "hsl": {
    "h": 261.739,
    "s": 69,
    "l": 39.216
  },
  "oklch": {
    "l": 0.40664,
    "c": 0.19836,
    "h": 291.2
  },
  "luminance": 0.05594
}

Semantic roles & 50–950 ramp

primary

#511FA9

secondary

#A0C75D

accent

#EC3CAC

background

#F9F6FC

surface

#F1EBF8

border

#CBC6D1

text

#0D0513

muted

#7E7A82

Preview Lab

Preview with #511FA9

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

Preview Lab → · Contrast checker → · Palette generator →