#516FDC#516FDC

#516FDC is a mid, vivid blue. Relative luminance 0.183; OKLCH L 57.6% C 0.170 H 269.0°. Best body text is #000000 at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#516FDC
RGB	rgb(81, 111, 220)
HSL	hsl(227, 67%, 59%)
HSV	hsv(227, 63%, 86%)
CMYK	cmyk(63.2%, 49.5%, 0%, 13.7%)
CIE-LAB	lab(49.84, 23.17, -59.15)
CIE-LCH	lch(49.84, 63.53, 291.39°)
OKLab	oklab(57.61% -0.003 -0.1695)
OKLCH	oklch(57.61% 0.17 269)
XYZ	xyz(21.9917, 18.2836, 70.0664)
Luminance	0.1829 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516FDC #DCBE51

analogous

#51B5DC #516FDC #7951DC

triadic

#516FDC #DC516F #6FDC51

tetradic

#516FDC #DC51B5 #DCBE51 #51DC79

square

#516FDC #DC51B5 #DCBE51 #51DC79

split-complementary

#516FDC #DC7951 #B5DC51

monochromatic

#1E3895 #284BC8 #516FDC #8499E6 #B7C3F0

Accessibility & contrast

On white

4.51

#516FDC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.66

#516FDC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #516FDC

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516FDC	#FFFFFF	#000000	##000000
##516FDC	1.00	4.51	4.66	4.66
#FFFFFF	4.51	1.00	21.00	21.00
#000000	4.66	21.00	1.00	1.00
##000000	4.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#337DE0

Deuteranopia (green-blind)

#0D71DA

Tritanopia (blue-blind)

#00889B

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #516fdc;
/* rgb */ color: rgb(81, 111, 220);
/* oklch */ color: oklch(57.6% 0.170 269.0);

Tailwind

colors: {
  custom: {
    50: '#8f97e7',
    500: '#516fdc',
    950: '#000000',
  },
}

SCSS

$custom: #516fdc;
$custom-light: #8f97e7;
$custom-dark: #000000;

JSON

{
  "hex": "#516fdc",
  "rgb": {
    "r": 81,
    "g": 111,
    "b": 220
  },
  "hsl": {
    "h": 227.05,
    "s": 66.507,
    "l": 59.02
  },
  "oklch": {
    "l": 0.57609,
    "c": 0.16951,
    "h": 269
  },
  "luminance": 0.18286
}

Semantic roles & 50–950 ramp

primary

#516FDC

secondary

#E0D4A9

accent

#C53EE9

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #516FDC

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

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