#516AC8#516AC8

#516AC8 is a mid, vivid blue. Relative luminance 0.162; OKLCH L 55.3% C 0.148 H 269.8°. Best body text is #FFFFFF at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#516AC8
RGB	rgb(81, 106, 200)
HSL	hsl(227, 52%, 55%)
HSV	hsv(227, 60%, 78%)
CMYK	cmyk(59.5%, 47%, 0%, 21.6%)
CIE-LAB	lab(47.27, 19.48, -51.88)
CIE-LCH	lch(47.27, 55.42, 290.58°)
OKLab	oklab(55.26% -0.0005 -0.1481)
OKLCH	oklch(55.26% 0.148 269.8)
XYZ	xyz(18.9692, 16.2260, 56.7647)
Luminance	0.1623 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516AC8 #C8AF51

analogous

#51A5C8 #516AC8 #7351C8

triadic

#516AC8 #C8516A #6AC851

tetradic

#516AC8 #C851A5 #C8AF51 #51C873

square

#516AC8 #C851A5 #C8AF51 #51C873

split-complementary

#516AC8 #C87351 #A5C851

monochromatic

#263779 #354DA7 #516AC8 #8092D7 #AEBAE5

Accessibility & contrast

On white

4.95

#516AC8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.25

#516AC8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516AC8

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516AC8	#FFFFFF	#000000	##FFFFFF
##516AC8	1.00	4.95	4.25	4.95
#FFFFFF	4.95	1.00	21.00	1.00
#000000	4.25	21.00	1.00	21.00
##FFFFFF	4.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C76CB

Deuteranopia (green-blind)

#296BC6

Tritanopia (blue-blind)

#007F8F

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #516ac8;
/* rgb */ color: rgb(81, 106, 200);
/* oklch */ color: oklch(55.3% 0.148 269.8);

Tailwind

colors: {
  custom: {
    50: '#8c94d9',
    500: '#516ac8',
    950: '#000000',
  },
}

SCSS

$custom: #516ac8;
$custom-light: #8c94d9;
$custom-dark: #000000;

JSON

{
  "hex": "#516ac8",
  "rgb": {
    "r": 81,
    "g": 106,
    "b": 200
  },
  "hsl": {
    "h": 227.395,
    "s": 51.965,
    "l": 55.098
  },
  "oklch": {
    "l": 0.55256,
    "c": 0.14815,
    "h": 269.8
  },
  "luminance": 0.16228
}

Semantic roles & 50–950 ramp

primary

#516AC8

secondary

#D3C9A1

accent

#BD4CDB

background

#F9F9FD

surface

#F1F1FA

border

#CBCBD3

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #516AC8

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

Preview Lab → · Contrast checker → · Palette generator →