#516FEE#516FEE

#516FEE is a mid, vivid blue. Relative luminance 0.193; OKLCH L 58.9% C 0.194 H 269.5°. Best body text is #000000 at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#516FEE
RGB	rgb(81, 111, 238)
HSL	hsl(229, 82%, 63%)
HSV	hsv(229, 66%, 93%)
CMYK	cmyk(66%, 53.4%, 0%, 6.7%)
CIE-LAB	lab(51.02, 29.34, -67.36)
CIE-LCH	lch(51.02, 73.47, 293.53°)
OKLab	oklab(58.88% -0.0015 -0.1936)
OKLCH	oklch(58.88% 0.194 269.5)
XYZ	xyz(24.5051, 19.2890, 83.3041)
Luminance	0.1929 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516FEE #EED051

analogous

#51BEEE #516FEE #8151EE

triadic

#516FEE #EE516F #6FEE51

tetradic

#516FEE #EE51BE #EED051 #51EE81

square

#516FEE #EE51BE #EED051 #51EE81

split-complementary

#516FEE #EE8151 #BEEE51

monochromatic

#1130B3 #1941E9 #516FEE #899DF3 #C1CBF9

Accessibility & contrast

On white

4.32

#516FEE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.86

#516FEE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #516FEE

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516FEE	#FFFFFF	#000000	##000000
##516FEE	1.00	4.32	4.86	4.86
#FFFFFF	4.32	1.00	21.00	21.00
#000000	4.86	21.00	1.00	1.00
##000000	4.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F81F2

Deuteranopia (green-blind)

#0073EB

Tritanopia (blue-blind)

#008DA4

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #516fee;
/* rgb */ color: rgb(81, 111, 238);
/* oklch */ color: oklch(58.9% 0.194 269.5);

Tailwind

colors: {
  custom: {
    50: '#9297f4',
    500: '#516fee',
    950: '#000000',
  },
}

SCSS

$custom: #516fee;
$custom-light: #9297f4;
$custom-dark: #000000;

JSON

{
  "hex": "#516fee",
  "rgb": {
    "r": 81,
    "g": 111,
    "b": 238
  },
  "hsl": {
    "h": 228.535,
    "s": 82.199,
    "l": 62.549
  },
  "oklch": {
    "l": 0.58883,
    "c": 0.19364,
    "h": 269.5
  },
  "luminance": 0.19291
}

Semantic roles & 50–950 ramp

primary

#516FEE

secondary

#EADFB1

accent

#B507DF

background

#F9F9FF

surface

#F2F2FE

border

#CCCCD6

text

#0E0D17

muted

#7E7E85

Preview Lab

Preview with #516FEE

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

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