#513FB8#513FB8

#513FB8 is a mid, vivid blue. Relative luminance 0.088; OKLCH L 46.2% C 0.182 H 283.4°. Best body text is #FFFFFF at 7.63:1 contrast (WCAG AA passes).

Color values

HEX	#513FB8
RGB	rgb(81, 63, 184)
HSL	hsl(249, 49%, 48%)
HSV	hsv(249, 66%, 72%)
CMYK	cmyk(56%, 65.8%, 0%, 27.8%)
CIE-LAB	lab(35.53, 40.83, -61.56)
CIE-LCH	lch(35.53, 73.87, 303.55°)
OKLab	oklab(46.15% 0.0423 -0.1769)
OKLCH	oklch(46.15% 0.182 283.4)
XYZ	xyz(13.8199, 8.7642, 46.3015)
Luminance	0.0877 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 1.04

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#513FB8 #A6B83F

analogous

#3F69B8 #513FB8 #8D3FB8

triadic

#513FB8 #B8513F #3FB851

tetradic

#513FB8 #B83F69 #A6B83F #3FB88D

square

#513FB8 #B83F69 #A6B83F #3FB88D

split-complementary

#513FB8 #B88D3F #69B83F

monochromatic

#29205D #3D2F8A #513FB8 #7769CC #A196DB

Accessibility & contrast

On white

7.63

#513FB8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#513FB8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #513FB8

7.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##513FB8	#FFFFFF	#000000	##FFFFFF
##513FB8	1.00	7.63	2.75	7.63
#FFFFFF	7.63	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057BC

Deuteranopia (green-blind)

#0050B6

Tritanopia (blue-blind)

#1F5D76

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #513fb8;
/* rgb */ color: rgb(81, 63, 184);
/* oklch */ color: oklch(46.2% 0.182 283.4);

Tailwind

colors: {
  custom: {
    50: '#8c75ce',
    500: '#513fb8',
    950: '#000000',
  },
}

SCSS

$custom: #513fb8;
$custom-light: #8c75ce;
$custom-dark: #000000;

JSON

{
  "hex": "#513fb8",
  "rgb": {
    "r": 81,
    "g": 63,
    "b": 184
  },
  "hsl": {
    "h": 248.926,
    "s": 48.988,
    "l": 48.431
  },
  "oklch": {
    "l": 0.46153,
    "c": 0.18192,
    "h": 283.4
  },
  "luminance": 0.08765
}

Semantic roles & 50–950 ramp

primary

#513FB8

secondary

#BEC78C

accent

#D94FC4

background

#F9F7FC

surface

#F1EDF9

border

#CBC8D2

text

#0D0814

muted

#7E7B82

Preview Lab

Preview with #513FB8

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

Preview Lab → · Contrast checker → · Palette generator →