#516ECC#516ECC

#516ECC is a mid, vivid blue. Relative luminance 0.173; OKLCH L 56.3% C 0.149 H 268.4°. Best body text is #FFFFFF at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#516ECC
RGB	rgb(81, 110, 204)
HSL	hsl(226, 55%, 56%)
HSV	hsv(226, 60%, 80%)
CMYK	cmyk(60.3%, 46.1%, 0%, 20%)
CIE-LAB	lab(48.59, 18.34, -52.07)
CIE-LCH	lch(48.59, 55.20, 289.40°)
OKLab	oklab(56.34% -0.0041 -0.1486)
OKLCH	oklch(56.34% 0.149 268.4)
XYZ	xyz(19.8647, 17.2592, 59.3996)
Luminance	0.1726 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516ECC #CCAF51

analogous

#51ABCC #516ECC #7151CC

triadic

#516ECC #CC516E #6ECC51

tetradic

#516ECC #CC51AB #CCAF51 #51CC71

square

#516ECC #CC51AB #CCAF51 #51CC71

split-complementary

#516ECC #CC7151 #ABCC51

monochromatic

#253A7E #3350AD #516ECC #8095DA #B0BDE8

Accessibility & contrast

On white

4.72

#516ECC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.45

#516ECC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516ECC

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516ECC	#FFFFFF	#000000	##FFFFFF
##516ECC	1.00	4.72	4.45	4.72
#FFFFFF	4.72	1.00	21.00	1.00
#000000	4.45	21.00	1.00	21.00
##FFFFFF	4.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4179D0

Deuteranopia (green-blind)

#2D6ECA

Tritanopia (blue-blind)

#008393

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #516ecc;
/* rgb */ color: rgb(81, 110, 204);
/* oklch */ color: oklch(56.3% 0.149 268.4);

Tailwind

colors: {
  custom: {
    50: '#8c97dc',
    500: '#516ecc',
    950: '#000000',
  },
}

SCSS

$custom: #516ecc;
$custom-light: #8c97dc;
$custom-dark: #000000;

JSON

{
  "hex": "#516ecc",
  "rgb": {
    "r": 81,
    "g": 110,
    "b": 204
  },
  "hsl": {
    "h": 225.854,
    "s": 54.667,
    "l": 55.882
  },
  "oklch": {
    "l": 0.56338,
    "c": 0.14871,
    "h": 268.4
  },
  "luminance": 0.17261
}

Semantic roles & 50–950 ramp

primary

#516ECC

secondary

#D6CAA3

accent

#BB4ADE

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #516ECC

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

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