#516CDF#516CDF

#516CDF is a mid, vivid blue. Relative luminance 0.178; OKLCH L 57.2% C 0.177 H 270.0°. Best body text is #FFFFFF at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#516CDF
RGB	rgb(81, 108, 223)
HSL	hsl(229, 69%, 60%)
HSV	hsv(229, 64%, 87%)
CMYK	cmyk(63.7%, 51.6%, 0%, 12.5%)
CIE-LAB	lab(49.25, 26.06, -61.79)
CIE-LCH	lch(49.25, 67.07, 292.87°)
OKLab	oklab(57.23% 0.0001 -0.1773)
OKLCH	oklch(57.23% 0.177 270)
XYZ	xyz(22.0707, 17.8002, 72.0704)
Luminance	0.1780 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516CDF #DFC451

analogous

#51B3DF #516CDF #7D51DF

triadic

#516CDF #DF516C #6CDF51

tetradic

#516CDF #DF51B3 #DFC451 #51DF7D

square

#516CDF #DF51B3 #DFC451 #51DF7D

split-complementary

#516CDF #DF7D51 #B3DF51

monochromatic

#1C3499 #2646CD #516CDF #8598E9 #B8C3F2

Accessibility & contrast

On white

4.60

#516CDF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.56

#516CDF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #516CDF

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

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

Color blindness preview

Protanopia (red-blind)

#267CE3

Deuteranopia (green-blind)

#006FDD

Tritanopia (blue-blind)

#00879B

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #516cdf;
/* rgb */ color: rgb(81, 108, 223);
/* oklch */ color: oklch(57.2% 0.177 270.0);

Tailwind

colors: {
  custom: {
    50: '#9095ea',
    500: '#516cdf',
    950: '#000000',
  },
}

SCSS

$custom: #516cdf;
$custom-light: #9095ea;
$custom-dark: #000000;

JSON

{
  "hex": "#516cdf",
  "rgb": {
    "r": 81,
    "g": 108,
    "b": 223
  },
  "hsl": {
    "h": 228.592,
    "s": 68.932,
    "l": 59.608
  },
  "oklch": {
    "l": 0.57228,
    "c": 0.17729,
    "h": 270
  },
  "luminance": 0.17802
}

Semantic roles & 50–950 ramp

primary

#516CDF

secondary

#E1D7AA

accent

#CA3CEC

background

#F9F9FE

surface

#F2F1FD

border

#CCCBD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #516CDF

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

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