#516BCC#516BCC

#516BCC is a mid, vivid blue. Relative luminance 0.166; OKLCH L 55.7% C 0.152 H 269.6°. Best body text is #FFFFFF at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#516BCC
RGB	rgb(81, 107, 204)
HSL	hsl(227, 55%, 56%)
HSV	hsv(227, 60%, 80%)
CMYK	cmyk(60.3%, 47.5%, 0%, 20%)
CIE-LAB	lab(47.78, 20.21, -53.35)
CIE-LCH	lch(47.78, 57.05, 290.75°)
OKLab	oklab(55.73% -0.001 -0.1525)
OKLCH	oklch(55.73% 0.152 269.6)
XYZ	xyz(19.5465, 16.6227, 59.2935)
Luminance	0.1662 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516BCC #CCB251

analogous

#51A8CC #516BCC #7451CC

triadic

#516BCC #CC516B #6BCC51

tetradic

#516BCC #CC51A8 #CCB251 #51CC74

square

#516BCC #CC51A8 #CCB251 #51CC74

split-complementary

#516BCC #CC7451 #A8CC51

monochromatic

#25387E #334DAD #516BCC #8093DA #B0BCE8

Accessibility & contrast

On white

4.86

#516BCC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.32

#516BCC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516BCC

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

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

Color blindness preview

Protanopia (red-blind)

#3B77D0

Deuteranopia (green-blind)

#266CCA

Tritanopia (blue-blind)

#008192

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #516bcc;
/* rgb */ color: rgb(81, 107, 204);
/* oklch */ color: oklch(55.7% 0.152 269.6);

Tailwind

colors: {
  custom: {
    50: '#8c95dc',
    500: '#516bcc',
    950: '#000000',
  },
}

SCSS

$custom: #516bcc;
$custom-light: #8c95dc;
$custom-dark: #000000;

JSON

{
  "hex": "#516bcc",
  "rgb": {
    "r": 81,
    "g": 107,
    "b": 204
  },
  "hsl": {
    "h": 227.317,
    "s": 54.667,
    "l": 55.882
  },
  "oklch": {
    "l": 0.55725,
    "c": 0.15247,
    "h": 269.6
  },
  "luminance": 0.16624
}

Semantic roles & 50–950 ramp

primary

#516BCC

secondary

#D6CBA3

accent

#BF4ADE

background

#F9F9FD

surface

#F1F1FB

border

#CBCBD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #516BCC

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

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