#516CD2#516CD2

#516CD2 is a mid, vivid blue. Relative luminance 0.171; OKLCH L 56.3% C 0.160 H 269.6°. Best body text is #FFFFFF at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#516CD2
RGB	rgb(81, 108, 210)
HSL	hsl(227, 59%, 57%)
HSV	hsv(227, 61%, 82%)
CMYK	cmyk(61.4%, 48.6%, 0%, 17.6%)
CIE-LAB	lab(48.42, 21.63, -55.76)
CIE-LCH	lch(48.42, 59.81, 291.20°)
OKLab	oklab(56.33% -0.0012 -0.1595)
OKLCH	oklch(56.33% 0.16 269.6)
XYZ	xyz(20.3848, 17.1259, 63.1917)
Luminance	0.1713 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516CD2 #D2B751

analogous

#51ACD2 #516CD2 #7751D2

triadic

#516CD2 #D2516C #6CD251

tetradic

#516CD2 #D251AC #D2B751 #51D277

square

#516CD2 #D251AC #D2B751 #51D277

split-complementary

#516CD2 #D27751 #ACD251

monochromatic

#233786 #2F4CB7 #516CD2 #8295DF #B2BEEB

Accessibility & contrast

On white

4.75

#516CD2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.43

#516CD2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516CD2

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516CD2	#FFFFFF	#000000	##FFFFFF
##516CD2	1.00	4.75	4.43	4.75
#FFFFFF	4.75	1.00	21.00	1.00
#000000	4.43	21.00	1.00	21.00
##FFFFFF	4.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3779D6

Deuteranopia (green-blind)

#1D6ED0

Tritanopia (blue-blind)

#008395

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #516cd2;
/* rgb */ color: rgb(81, 108, 210);
/* oklch */ color: oklch(56.3% 0.160 269.6);

Tailwind

colors: {
  custom: {
    50: '#8d95e0',
    500: '#516cd2',
    950: '#000000',
  },
}

SCSS

$custom: #516cd2;
$custom-light: #8d95e0;
$custom-dark: #000000;

JSON

{
  "hex": "#516cd2",
  "rgb": {
    "r": 81,
    "g": 108,
    "b": 210
  },
  "hsl": {
    "h": 227.442,
    "s": 58.904,
    "l": 57.059
  },
  "oklch": {
    "l": 0.56329,
    "c": 0.15953,
    "h": 269.6
  },
  "luminance": 0.17128
}

Semantic roles & 50–950 ramp

primary

#516CD2

secondary

#DACFA5

accent

#C146E2

background

#F9F9FD

surface

#F2F1FB

border

#CCCBD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #516CD2

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

Preview Lab → · Contrast checker → · Palette generator →