#516CCD#516CCD

#516CCD is a mid, vivid blue. Relative luminance 0.169; OKLCH L 56.0% C 0.153 H 269.3°. Best body text is #FFFFFF at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#516CCD
RGB	rgb(81, 108, 205)
HSL	hsl(227, 55%, 56%)
HSV	hsv(227, 60%, 80%)
CMYK	cmyk(60.5%, 47.3%, 0%, 19.6%)
CIE-LAB	lab(48.11, 19.93, -53.40)
CIE-LCH	lch(48.11, 57.00, 290.46°)
OKLab	oklab(55.99% -0.0019 -0.1526)
OKLCH	oklch(55.99% 0.153 269.3)
XYZ	xyz(19.7716, 16.8806, 59.9621)
Luminance	0.1688 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516CCD #CDB251

analogous

#51AACD #516CCD #7451CD

triadic

#516CCD #CD516C #6CCD51

tetradic

#516CCD #CD51AA #CDB251 #51CD74

square

#516CCD #CD51AA #CDB251 #51CD74

split-complementary

#516CCD #CD7451 #AACD51

monochromatic

#25387F #324DAF #516CCD #8194DB #B0BCE8

Accessibility & contrast

On white

4.80

#516CCD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.38

#516CCD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516CCD

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516CCD	#FFFFFF	#000000	##FFFFFF
##516CCD	1.00	4.80	4.38	4.80
#FFFFFF	4.80	1.00	21.00	1.00
#000000	4.38	21.00	1.00	21.00
##FFFFFF	4.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C78D1

Deuteranopia (green-blind)

#276DCB

Tritanopia (blue-blind)

#008292

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #516ccd;
/* rgb */ color: rgb(81, 108, 205);
/* oklch */ color: oklch(56.0% 0.153 269.3);

Tailwind

colors: {
  custom: {
    50: '#8d95dd',
    500: '#516ccd',
    950: '#000000',
  },
}

SCSS

$custom: #516ccd;
$custom-light: #8d95dd;
$custom-dark: #000000;

JSON

{
  "hex": "#516ccd",
  "rgb": {
    "r": 81,
    "g": 108,
    "b": 205
  },
  "hsl": {
    "h": 226.935,
    "s": 55.357,
    "l": 56.078
  },
  "oklch": {
    "l": 0.55994,
    "c": 0.1526,
    "h": 269.3
  },
  "luminance": 0.16882
}

Semantic roles & 50–950 ramp

primary

#516CCD

secondary

#D7CBA3

accent

#BE49DF

background

#F9F9FD

surface

#F1F1FB

border

#CBCBD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #516CCD

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

Preview Lab → · Contrast checker → · Palette generator →