#513EB8#513EB8

#513EB8 is a mid, vivid blue. Relative luminance 0.087; OKLCH L 46.0% C 0.183 H 283.6°. Best body text is #FFFFFF at 7.69:1 contrast (WCAG AA passes).

Color values

HEX	#513EB8
RGB	rgb(81, 62, 184)
HSL	hsl(249, 50%, 48%)
HSV	hsv(249, 66%, 72%)
CMYK	cmyk(56%, 66.3%, 0%, 27.8%)
CIE-LAB	lab(35.31, 41.41, -61.91)
CIE-LCH	lch(35.31, 74.48, 303.78°)
OKLab	oklab(46% 0.0432 -0.178)
OKLCH	oklch(46% 0.183 283.6)
XYZ	xyz(13.7650, 8.6544, 46.2832)
Luminance	0.0866 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 1.28

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#513EB8 #A5B83E

analogous

#3E68B8 #513EB8 #8E3EB8

triadic

#513EB8 #B8513E #3EB851

tetradic

#513EB8 #B83E68 #A5B83E #3EB88E

square

#513EB8 #B83E68 #A5B83E #3EB88E

split-complementary

#513EB8 #B88E3E #68B83E

monochromatic

#291F5C #3D2F8A #513EB8 #7767CC #A095DB

Accessibility & contrast

On white

7.69

#513EB8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.73

#513EB8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #513EB8

7.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##513EB8	#FFFFFF	#000000	##FFFFFF
##513EB8	1.00	7.69	2.73	7.69
#FFFFFF	7.69	1.00	21.00	1.00
#000000	2.73	21.00	1.00	21.00
##FFFFFF	7.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057BC

Deuteranopia (green-blind)

#004FB6

Tritanopia (blue-blind)

#1F5D75

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #513eb8;
/* rgb */ color: rgb(81, 62, 184);
/* oklch */ color: oklch(46.0% 0.183 283.6);

Tailwind

colors: {
  custom: {
    50: '#8c75ce',
    500: '#513eb8',
    950: '#000000',
  },
}

SCSS

$custom: #513eb8;
$custom-light: #8c75ce;
$custom-dark: #000000;

JSON

{
  "hex": "#513eb8",
  "rgb": {
    "r": 81,
    "g": 62,
    "b": 184
  },
  "hsl": {
    "h": 249.344,
    "s": 49.593,
    "l": 48.235
  },
  "oklch": {
    "l": 0.45997,
    "c": 0.18315,
    "h": 283.6
  },
  "luminance": 0.08655
}

Semantic roles & 50–950 ramp

primary

#513EB8

secondary

#BDC78B

accent

#D94FC4

background

#F9F7FC

surface

#F1EDF9

border

#CBC8D2

text

#0D0814

muted

#7E7B82

Preview Lab

Preview with #513EB8

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

Preview Lab → · Contrast checker → · Palette generator →