#516CCF#516CCF

#516CCF is a mid, vivid blue. Relative luminance 0.170; OKLCH L 56.1% C 0.155 H 269.4°. Best body text is #FFFFFF at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#516CCF
RGB	rgb(81, 108, 207)
HSL	hsl(227, 57%, 56%)
HSV	hsv(227, 61%, 81%)
CMYK	cmyk(60.9%, 47.8%, 0%, 18.8%)
CIE-LAB	lab(48.23, 20.61, -54.35)
CIE-LCH	lch(48.23, 58.12, 290.76°)
OKLab	oklab(56.13% -0.0016 -0.1554)
OKLCH	oklch(56.13% 0.155 269.4)
XYZ	xyz(20.0146, 16.9778, 61.2417)
Luminance	0.1698 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516CCF #CFB451

analogous

#51ABCF #516CCF #7551CF

triadic

#516CCF #CF516C #6CCF51

tetradic

#516CCF #CF51AB #CFB451 #51CF75

square

#516CCF #CF51AB #CFB451 #51CF75

split-complementary

#516CCF #CF7551 #ABCF51

monochromatic

#243882 #314DB2 #516CCF #8195DC #B1BDE9

Accessibility & contrast

On white

4.78

#516CCF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.40

#516CCF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516CCF

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516CCF	#FFFFFF	#000000	##FFFFFF
##516CCF	1.00	4.78	4.40	4.78
#FFFFFF	4.78	1.00	21.00	1.00
#000000	4.40	21.00	1.00	21.00
##FFFFFF	4.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A78D3

Deuteranopia (green-blind)

#236DCD

Tritanopia (blue-blind)

#008393

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #516ccf;
/* rgb */ color: rgb(81, 108, 207);
/* oklch */ color: oklch(56.1% 0.155 269.4);

Tailwind

colors: {
  custom: {
    50: '#8d95de',
    500: '#516ccf',
    950: '#000000',
  },
}

SCSS

$custom: #516ccf;
$custom-light: #8d95de;
$custom-dark: #000000;

JSON

{
  "hex": "#516ccf",
  "rgb": {
    "r": 81,
    "g": 108,
    "b": 207
  },
  "hsl": {
    "h": 227.143,
    "s": 56.757,
    "l": 56.471
  },
  "oklch": {
    "l": 0.56127,
    "c": 0.15539,
    "h": 269.4
  },
  "luminance": 0.16979
}

Semantic roles & 50–950 ramp

primary

#516CCF

secondary

#D8CDA4

accent

#BF48E0

background

#F9F9FD

surface

#F1F1FB

border

#CBCBD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #516CCF

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

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