#515CEF#515CEF

#515CEF is a mid, highly saturated blue. Relative luminance 0.156; OKLCH L 55.5% C 0.218 H 273.6°. Best body text is #FFFFFF at 5.09:1 contrast (WCAG AA passes).

Color values

HEX	#515CEF
RGB	rgb(81, 92, 239)
HSL	hsl(236, 83%, 63%)
HSV	hsv(236, 66%, 94%)
CMYK	cmyk(66.1%, 61.5%, 0%, 6.3%)
CIE-LAB	lab(46.49, 41.30, -75.30)
CIE-LCH	lch(46.49, 85.88, 298.74°)
OKLab	oklab(55.53% 0.0138 -0.2171)
OKLCH	oklch(55.53% 0.218 273.6)
XYZ	xyz(22.7953, 15.6335, 83.4609)
Luminance	0.1564 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515CEF #EFE451

analogous

#51ABEF #515CEF #9551EF

triadic

#515CEF #EF515C #5CEF51

tetradic

#515CEF #EF51AB #EFE451 #51EF95

square

#515CEF #EF51AB #EFE451 #51EF95

split-complementary

#515CEF #EF9551 #ABEF51

monochromatic

#111CB5 #1927EA #515CEF #8991F4 #C1C5F9

Accessibility & contrast

On white

5.09

#515CEF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.13

#515CEF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515CEF

5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515CEF	#FFFFFF	#000000	##FFFFFF
##515CEF	1.00	5.09	4.13	5.09
#FFFFFF	5.09	1.00	21.00	1.00
#000000	4.13	21.00	1.00	21.00
##FFFFFF	5.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0075F4

Deuteranopia (green-blind)

#0067EC

Tritanopia (blue-blind)

#00819D

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #515cef;
/* rgb */ color: rgb(81, 92, 239);
/* oklch */ color: oklch(55.5% 0.218 273.6);

Tailwind

colors: {
  custom: {
    50: '#938af5',
    500: '#515cef',
    950: '#000000',
  },
}

SCSS

$custom: #515cef;
$custom-light: #938af5;
$custom-dark: #000000;

JSON

{
  "hex": "#515cef",
  "rgb": {
    "r": 81,
    "g": 92,
    "b": 239
  },
  "hsl": {
    "h": 235.823,
    "s": 83.158,
    "l": 62.745
  },
  "oklch": {
    "l": 0.55531,
    "c": 0.21759,
    "h": 273.6
  },
  "luminance": 0.15636
}

Semantic roles & 50–950 ramp

primary

#515CEF

secondary

#EAE7B1

accent

#D006E0

background

#F9F8FF

surface

#F2F0FF

border

#CCCBD7

text

#0F0C17

muted

#7E7D85

Preview Lab

Preview with #515CEF

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

Preview Lab → · Contrast checker → · Palette generator →