#513FD5#513FD5

#513FD5 is a mid, highly saturated blue. Relative luminance 0.101; OKLCH L 48.7% C 0.218 H 280.0°. Best body text is #FFFFFF at 6.95:1 contrast (WCAG AA passes).

Color values

HEX	#513FD5
RGB	rgb(81, 63, 213)
HSL	hsl(247, 64%, 54%)
HSV	hsv(247, 70%, 84%)
CMYK	cmyk(62%, 70.4%, 0%, 16.5%)
CIE-LAB	lab(38.03, 49.78, -74.36)
CIE-LCH	lch(38.03, 89.48, 303.80°)
OKLab	oklab(48.73% 0.0379 -0.2145)
OKLCH	oklch(48.73% 0.218 280)
XYZ	xyz(17.1773, 10.1071, 63.9836)
Luminance	0.1011 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 1.99

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#513FD5 #C3D53F

analogous

#3F78D5 #513FD5 #9C3FD5

triadic

#513FD5 #D5513F #3FD551

tetradic

#513FD5 #D53F78 #C3D53F #3FD59C

square

#513FD5 #D53F78 #C3D53F #3FD59C

split-complementary

#513FD5 #D59C3F #78D53F

monochromatic

#271C7E #3727B0 #513FD5 #7F71E0 #ACA3EB

Accessibility & contrast

On white

6.95

#513FD5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.02

#513FD5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #513FD5

6.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##513FD5	#FFFFFF	#000000	##FFFFFF
##513FD5	1.00	6.95	3.02	6.95
#FFFFFF	6.95	1.00	21.00	1.00
#000000	3.02	21.00	1.00	21.00
##FFFFFF	6.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FD9

Deuteranopia (green-blind)

#0054D2

Tritanopia (blue-blind)

#006886

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #513fd5;
/* rgb */ color: rgb(81, 63, 213);
/* oklch */ color: oklch(48.7% 0.218 280.0);

Tailwind

colors: {
  custom: {
    50: '#9176e3',
    500: '#513fd5',
    950: '#000000',
  },
}

SCSS

$custom: #513fd5;
$custom-light: #9176e3;
$custom-dark: #000000;

JSON

{
  "hex": "#513fd5",
  "rgb": {
    "r": 81,
    "g": 63,
    "b": 213
  },
  "hsl": {
    "h": 247.2,
    "s": 64.103,
    "l": 54.118
  },
  "oklch": {
    "l": 0.48726,
    "c": 0.21778,
    "h": 280
  },
  "luminance": 0.10108
}

Semantic roles & 50–950 ramp

primary

#513FD5

secondary

#D0D898

accent

#E741D3

background

#F9F7FE

surface

#F2EDFC

border

#CCC8D5

text

#0E0916

muted

#7E7B84

Preview Lab

Preview with #513FD5

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

Preview Lab → · Contrast checker → · Palette generator →