#511FA5#511FA5

#511FA5 is a dark, vivid violet. Relative luminance 0.054; OKLCH L 40.3% C 0.194 H 292.1°. Best body text is #FFFFFF at 10.05:1 contrast (WCAG AA passes).

Color values

HEX	#511FA5
RGB	rgb(81, 31, 165)
HSL	hsl(262, 68%, 38%)
HSV	hsv(262, 81%, 65%)
CMYK	cmyk(50.9%, 81.2%, 0%, 35.3%)
CIE-LAB	lab(27.97, 51.71, -62.59)
CIE-LCH	lch(27.97, 81.18, 309.56°)
OKLab	oklab(40.27% 0.073 -0.1798)
OKLCH	oklch(40.27% 0.194 292.1)
XYZ	xyz(10.6729, 5.4455, 36.0787)
Luminance	0.0545 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511FA5 #73A51F

analogous

#1F30A5 #511FA5 #941FA5

triadic

#511FA5 #A5511F #1FA551

tetradic

#511FA5 #A51F30 #73A51F #1FA594

square

#511FA5 #A51F30 #73A51F #1FA594

split-complementary

#511FA5 #A5941F #30A51F

monochromatic

#1E0C3E #381571 #511FA5 #6B2AD7 #8F5EE1

Accessibility & contrast

On white

10.05

#511FA5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#511FA5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511FA5

10.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511FA5	#FFFFFF	#000000	##FFFFFF
##511FA5	1.00	10.05	2.09	10.05
#FFFFFF	10.05	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044A9

Deuteranopia (green-blind)

#003FA3

Tritanopia (blue-blind)

#354663

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #511fa5;
/* rgb */ color: rgb(81, 31, 165);
/* oklch */ color: oklch(40.3% 0.194 292.1);

Tailwind

colors: {
  custom: {
    50: '#8b62c1',
    500: '#511fa5',
    950: '#000000',
  },
}

SCSS

$custom: #511fa5;
$custom-light: #8b62c1;
$custom-dark: #000000;

JSON

{
  "hex": "#511fa5",
  "rgb": {
    "r": 81,
    "g": 31,
    "b": 165
  },
  "hsl": {
    "h": 262.388,
    "s": 68.367,
    "l": 38.431
  },
  "oklch": {
    "l": 0.40272,
    "c": 0.19405,
    "h": 292.1
  },
  "luminance": 0.05446
}

Semantic roles & 50–950 ramp

primary

#511FA5

secondary

#9DC55B

accent

#EB3DAA

background

#F9F6FC

surface

#F1EBF8

border

#CBC6D1

text

#0D0512

muted

#7E7A81

Preview Lab

Preview with #511FA5

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

Preview Lab → · Contrast checker → · Palette generator →