#516DDF#516DDF

#516DDF is a mid, vivid blue. Relative luminance 0.180; OKLCH L 57.4% C 0.176 H 269.7°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#516DDF
RGB	rgb(81, 109, 223)
HSL	hsl(228, 69%, 60%)
HSV	hsv(228, 64%, 87%)
CMYK	cmyk(63.7%, 51.1%, 0%, 12.5%)
CIE-LAB	lab(49.51, 25.44, -61.38)
CIE-LCH	lch(49.51, 66.44, 292.51°)
OKLab	oklab(57.42% -0.0009 -0.1761)
OKLCH	oklch(57.42% 0.176 269.7)
XYZ	xyz(22.1767, 18.0123, 72.1058)
Luminance	0.1801 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516DDF #DFC351

analogous

#51B4DF #516DDF #7C51DF

triadic

#516DDF #DF516D #6DDF51

tetradic

#516DDF #DF51B4 #DFC351 #51DF7C

square

#516DDF #DF51B4 #DFC351 #51DF7C

split-complementary

#516DDF #DF7C51 #B4DF51

monochromatic

#1C3599 #2647CD #516DDF #8598E9 #B8C4F2

Accessibility & contrast

On white

4.56

#516DDF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.60

#516DDF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #516DDF

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516DDF	#FFFFFF	#000000	##000000
##516DDF	1.00	4.56	4.60	4.60
#FFFFFF	4.56	1.00	21.00	21.00
#000000	4.60	21.00	1.00	1.00
##000000	4.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#297CE3

Deuteranopia (green-blind)

#0070DD

Tritanopia (blue-blind)

#00889C

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #516ddf;
/* rgb */ color: rgb(81, 109, 223);
/* oklch */ color: oklch(57.4% 0.176 269.7);

Tailwind

colors: {
  custom: {
    50: '#9096ea',
    500: '#516ddf',
    950: '#000000',
  },
}

SCSS

$custom: #516ddf;
$custom-light: #9096ea;
$custom-dark: #000000;

JSON

{
  "hex": "#516ddf",
  "rgb": {
    "r": 81,
    "g": 109,
    "b": 223
  },
  "hsl": {
    "h": 228.169,
    "s": 68.932,
    "l": 59.608
  },
  "oklch": {
    "l": 0.57423,
    "c": 0.17605,
    "h": 269.7
  },
  "luminance": 0.18014
}

Semantic roles & 50–950 ramp

primary

#516DDF

secondary

#E1D7AA

accent

#C93CEC

background

#F9F9FE

surface

#F2F1FD

border

#CCCBD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #516DDF

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

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