#513EB9#513EB9

#513EB9 is a mid, vivid blue. Relative luminance 0.087; OKLCH L 46.1% C 0.184 H 283.5°. Best body text is #FFFFFF at 7.67:1 contrast (WCAG AA passes).

Color values

HEX	#513EB9
RGB	rgb(81, 62, 185)
HSL	hsl(249, 50%, 48%)
HSV	hsv(249, 66%, 73%)
CMYK	cmyk(56.2%, 66.5%, 0%, 27.5%)
CIE-LAB	lab(35.39, 41.72, -62.37)
CIE-LCH	lch(35.39, 75.03, 303.78°)
OKLab	oklab(46.08% 0.043 -0.1793)
OKLCH	oklch(46.08% 0.184 283.5)
XYZ	xyz(13.8702, 8.6965, 46.8373)
Luminance	0.0870 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 1.33

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#513EB9 #A6B93E

analogous

#3E68B9 #513EB9 #8E3EB9

triadic

#513EB9 #B9513E #3EB951

tetradic

#513EB9 #B93E68 #A6B93E #3EB98E

square

#513EB9 #B93E68 #A6B93E #3EB98E

split-complementary

#513EB9 #B98E3E #68B93E

monochromatic

#291F5D #3D2F8B #513EB9 #7768CC #A196DC

Accessibility & contrast

On white

7.67

#513EB9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.74

#513EB9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #513EB9

7.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##513EB9	#FFFFFF	#000000	##FFFFFF
##513EB9	1.00	7.67	2.74	7.67
#FFFFFF	7.67	1.00	21.00	1.00
#000000	2.74	21.00	1.00	21.00
##FFFFFF	7.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057BD

Deuteranopia (green-blind)

#004FB7

Tritanopia (blue-blind)

#1E5D76

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #513eb9;
/* rgb */ color: rgb(81, 62, 185);
/* oklch */ color: oklch(46.1% 0.184 283.5);

Tailwind

colors: {
  custom: {
    50: '#8c75cf',
    500: '#513eb9',
    950: '#000000',
  },
}

SCSS

$custom: #513eb9;
$custom-light: #8c75cf;
$custom-dark: #000000;

JSON

{
  "hex": "#513eb9",
  "rgb": {
    "r": 81,
    "g": 62,
    "b": 185
  },
  "hsl": {
    "h": 249.268,
    "s": 49.798,
    "l": 48.431
  },
  "oklch": {
    "l": 0.46083,
    "c": 0.18441,
    "h": 283.5
  },
  "luminance": 0.08697
}

Semantic roles & 50–950 ramp

primary

#513EB9

secondary

#BEC78C

accent

#D94EC4

background

#F9F7FC

surface

#F1EDF9

border

#CBC8D2

text

#0D0814

muted

#7E7B82

Preview Lab

Preview with #513EB9

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

Preview Lab → · Contrast checker → · Palette generator →