#516BC8#516BC8

#516BC8 is a mid, vivid blue. Relative luminance 0.164; OKLCH L 55.5% C 0.147 H 269.4°. Best body text is #FFFFFF at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#516BC8
RGB	rgb(81, 107, 200)
HSL	hsl(227, 52%, 55%)
HSV	hsv(227, 60%, 78%)
CMYK	cmyk(59.5%, 46.5%, 0%, 21.6%)
CIE-LAB	lab(47.54, 18.86, -51.45)
CIE-LCH	lch(47.54, 54.80, 290.13°)
OKLab	oklab(55.46% -0.0015 -0.1469)
OKLCH	oklch(55.46% 0.147 269.4)
XYZ	xyz(19.0729, 16.4333, 56.7992)
Luminance	0.1643 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516BC8 #C8AE51

analogous

#51A6C8 #516BC8 #7351C8

triadic

#516BC8 #C8516B #6BC851

tetradic

#516BC8 #C851A6 #C8AE51 #51C873

square

#516BC8 #C851A6 #C8AE51 #51C873

split-complementary

#516BC8 #C87351 #A6C851

monochromatic

#263879 #354EA7 #516BC8 #8093D7 #AEBAE5

Accessibility & contrast

On white

4.90

#516BC8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.29

#516BC8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516BC8

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516BC8	#FFFFFF	#000000	##FFFFFF
##516BC8	1.00	4.90	4.29	4.90
#FFFFFF	4.90	1.00	21.00	1.00
#000000	4.29	21.00	1.00	21.00
##FFFFFF	4.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F76CB

Deuteranopia (green-blind)

#2C6CC6

Tritanopia (blue-blind)

#008090

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #516bc8;
/* rgb */ color: rgb(81, 107, 200);
/* oklch */ color: oklch(55.5% 0.147 269.4);

Tailwind

colors: {
  custom: {
    50: '#8c95d9',
    500: '#516bc8',
    950: '#000000',
  },
}

SCSS

$custom: #516bc8;
$custom-light: #8c95d9;
$custom-dark: #000000;

JSON

{
  "hex": "#516bc8",
  "rgb": {
    "r": 81,
    "g": 107,
    "b": 200
  },
  "hsl": {
    "h": 226.891,
    "s": 51.965,
    "l": 55.098
  },
  "oklch": {
    "l": 0.55461,
    "c": 0.14689,
    "h": 269.4
  },
  "luminance": 0.16435
}

Semantic roles & 50–950 ramp

primary

#516BC8

secondary

#D3C8A1

accent

#BC4CDB

background

#F9F9FD

surface

#F1F1FA

border

#CBCBD3

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #516BC8

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

Preview Lab → · Contrast checker → · Palette generator →