#513FDA#513FDA

#513FDA is a mid, highly saturated blue. Relative luminance 0.104; OKLCH L 49.2% C 0.224 H 279.5°. Best body text is #FFFFFF at 6.83:1 contrast (WCAG AA passes).

Color values

HEX	#513FDA
RGB	rgb(81, 63, 218)
HSL	hsl(247, 68%, 55%)
HSV	hsv(247, 71%, 85%)
CMYK	cmyk(62.8%, 71.1%, 0%, 14.5%)
CIE-LAB	lab(38.49, 51.31, -76.48)
CIE-LCH	lch(38.49, 92.10, 303.86°)
OKLab	oklab(49.19% 0.0369 -0.2207)
OKLCH	oklch(49.19% 0.224 279.5)
XYZ	xyz(17.8217, 10.3649, 67.3775)
Luminance	0.1037 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 2.45

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#513FDA #C8DA3F

analogous

#3F7ADA #513FDA #9F3FDA

triadic

#513FDA #DA513F #3FDA51

tetradic

#513FDA #DA3F7A #C8DA3F #3FDA9F

square

#513FDA #DA3F7A #C8DA3F #3FDA9F

split-complementary

#513FDA #DA9F3F #7ADA3F

monochromatic

#261A85 #3524B8 #513FDA #8072E4 #AEA6EE

Accessibility & contrast

On white

6.83

#513FDA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.07

#513FDA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #513FDA

6.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##513FDA	#FFFFFF	#000000	##FFFFFF
##513FDA	1.00	6.83	3.07	6.83
#FFFFFF	6.83	1.00	21.00	1.00
#000000	3.07	21.00	1.00	21.00
##FFFFFF	6.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060DF

Deuteranopia (green-blind)

#0054D7

Tritanopia (blue-blind)

#006A88

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #513fda;
/* rgb */ color: rgb(81, 63, 218);
/* oklch */ color: oklch(49.2% 0.224 279.5);

Tailwind

colors: {
  custom: {
    50: '#9276e7',
    500: '#513fda',
    950: '#000000',
  },
}

SCSS

$custom: #513fda;
$custom-light: #9276e7;
$custom-dark: #000000;

JSON

{
  "hex": "#513fda",
  "rgb": {
    "r": 81,
    "g": 63,
    "b": 218
  },
  "hsl": {
    "h": 246.968,
    "s": 67.686,
    "l": 55.098
  },
  "oklch": {
    "l": 0.49189,
    "c": 0.22375,
    "h": 279.5
  },
  "luminance": 0.10366
}

Semantic roles & 50–950 ramp

primary

#513FDA

secondary

#D3DB9A

accent

#EB3DD6

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0E0916

muted

#7E7B84

Preview Lab

Preview with #513FDA

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

Preview Lab → · Contrast checker → · Palette generator →