#513FBC#513FBC

#513FBC is a mid, vivid blue. Relative luminance 0.089; OKLCH L 46.5% C 0.187 H 282.9°. Best body text is #FFFFFF at 7.53:1 contrast (WCAG AA passes).

Color values

HEX	#513FBC
RGB	rgb(81, 63, 188)
HSL	hsl(249, 50%, 49%)
HSV	hsv(249, 66%, 74%)
CMYK	cmyk(56.9%, 66.5%, 0%, 26.3%)
CIE-LAB	lab(35.86, 42.07, -63.38)
CIE-LCH	lch(35.86, 76.07, 303.58°)
OKLab	oklab(46.5% 0.0418 -0.1823)
OKLCH	oklch(46.5% 0.187 282.9)
XYZ	xyz(14.2451, 8.9343, 48.5411)
Luminance	0.0893 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 1.38

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#513FBC #AABC3F

analogous

#3F6CBC #513FBC #903FBC

triadic

#513FBC #BC513F #3FBC51

tetradic

#513FBC #BC3F6C #AABC3F #3FBC90

square

#513FBC #BC3F6C #AABC3F #3FBC90

split-complementary

#513FBC #BC903F #6CBC3F

monochromatic

#2A2060 #3D308E #513FBC #796BCD #A299DD

Accessibility & contrast

On white

7.53

#513FBC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.79

#513FBC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #513FBC

7.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##513FBC	#FFFFFF	#000000	##FFFFFF
##513FBC	1.00	7.53	2.79	7.53
#FFFFFF	7.53	1.00	21.00	1.00
#000000	2.79	21.00	1.00	21.00
##FFFFFF	7.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058C0

Deuteranopia (green-blind)

#0050BA

Tritanopia (blue-blind)

#195F78

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #513fbc;
/* rgb */ color: rgb(81, 63, 188);
/* oklch */ color: oklch(46.5% 0.187 282.9);

Tailwind

colors: {
  custom: {
    50: '#8c75d1',
    500: '#513fbc',
    950: '#000000',
  },
}

SCSS

$custom: #513fbc;
$custom-light: #8c75d1;
$custom-dark: #000000;

JSON

{
  "hex": "#513fbc",
  "rgb": {
    "r": 81,
    "g": 63,
    "b": 188
  },
  "hsl": {
    "h": 248.64,
    "s": 49.801,
    "l": 49.216
  },
  "oklch": {
    "l": 0.46496,
    "c": 0.187,
    "h": 282.9
  },
  "luminance": 0.08935
}

Semantic roles & 50–950 ramp

primary

#513FBC

secondary

#C0C98E

accent

#D94EC5

background

#F9F7FD

surface

#F1EDFA

border

#CBC8D3

text

#0D0814

muted

#7E7B83

Preview Lab

Preview with #513FBC

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

Preview Lab → · Contrast checker → · Palette generator →