#513DBA#513DBA

#513DBA is a mid, vivid blue. Relative luminance 0.086; OKLCH L 46.0% C 0.187 H 283.6°. Best body text is #FFFFFF at 7.70:1 contrast (WCAG AA passes).

Color values

HEX	#513DBA
RGB	rgb(81, 61, 186)
HSL	hsl(250, 51%, 48%)
HSV	hsv(250, 67%, 73%)
CMYK	cmyk(56.5%, 67.2%, 0%, 27.1%)
CIE-LAB	lab(35.26, 42.60, -63.17)
CIE-LCH	lch(35.26, 76.19, 304.00°)
OKLab	oklab(46.02% 0.0438 -0.1817)
OKLCH	oklch(46.02% 0.187 283.6)
XYZ	xyz(13.9223, 8.6311, 47.3772)
Luminance	0.0863 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 1.62

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#513DBA #A6BA3D

analogous

#3D67BA #513DBA #8F3DBA

triadic

#513DBA #BA513D #3DBA51

tetradic

#513DBA #BA3D67 #A6BA3D #3DBA8F

square

#513DBA #BA3D67 #A6BA3D #3DBA8F

split-complementary

#513DBA #BA8F3D #67BA3D

monochromatic

#291F5E #3D2E8C #513DBA #7767CD #A195DC

Accessibility & contrast

On white

7.70

#513DBA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.73

#513DBA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #513DBA

7.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##513DBA	#FFFFFF	#000000	##FFFFFF
##513DBA	1.00	7.70	2.73	7.70
#FFFFFF	7.70	1.00	21.00	1.00
#000000	2.73	21.00	1.00	21.00
##FFFFFF	7.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057BE

Deuteranopia (green-blind)

#004FB8

Tritanopia (blue-blind)

#1C5D76

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #513dba;
/* rgb */ color: rgb(81, 61, 186);
/* oklch */ color: oklch(46.0% 0.187 283.6);

Tailwind

colors: {
  custom: {
    50: '#8c74d0',
    500: '#513dba',
    950: '#000000',
  },
}

SCSS

$custom: #513dba;
$custom-light: #8c74d0;
$custom-dark: #000000;

JSON

{
  "hex": "#513dba",
  "rgb": {
    "r": 81,
    "g": 61,
    "b": 186
  },
  "hsl": {
    "h": 249.6,
    "s": 50.607,
    "l": 48.431
  },
  "oklch": {
    "l": 0.46016,
    "c": 0.18688,
    "h": 283.6
  },
  "luminance": 0.08632
}

Semantic roles & 50–950 ramp

primary

#513DBA

secondary

#BEC88B

accent

#DA4EC4

background

#F9F7FC

surface

#F1EDF9

border

#CBC8D2

text

#0D0814

muted

#7E7B82

Preview Lab

Preview with #513DBA

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

Preview Lab → · Contrast checker → · Palette generator →