#516CA8#516CA8

#516CA8 is a mid, moderate blue. Relative luminance 0.153; OKLCH L 53.7% C 0.100 H 264.9°. Best body text is #FFFFFF at 5.17:1 contrast (WCAG AA passes).

Color values

HEX	#516CA8
RGB	rgb(81, 108, 168)
HSL	hsl(221, 35%, 49%)
HSV	hsv(221, 52%, 66%)
CMYK	cmyk(51.8%, 35.7%, 0%, 34.1%)
CIE-LAB	lab(46.04, 7.62, -35.26)
CIE-LCH	lch(46.04, 36.07, 282.19°)
OKLab	oklab(53.74% -0.0089 -0.0994)
OKLCH	oklch(53.74% 0.1 264.9)
XYZ	xyz(15.8214, 15.3005, 39.1578)
Luminance	0.1530 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516CA8 #A88D51

analogous

#5198A8 #516CA8 #6251A8

triadic

#516CA8 #A8516C #6CA851

tetradic

#516CA8 #A85198 #A88D51 #51A862

square

#516CA8 #A85198 #A88D51 #51A862

split-complementary

#516CA8 #A86251 #98A851

monochromatic

#293755 #3D517F #516CA8 #788EBE #A1B1D2

Accessibility & contrast

On white

5.17

#516CA8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.06

#516CA8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516CA8

5.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516CA8	#FFFFFF	#000000	##FFFFFF
##516CA8	1.00	5.17	4.06	5.17
#FFFFFF	5.17	1.00	21.00	1.00
#000000	4.06	21.00	1.00	21.00
##FFFFFF	5.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5571AA

Deuteranopia (green-blind)

#4B69A7

Tritanopia (blue-blind)

#297982

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #516ca8;
/* rgb */ color: rgb(81, 108, 168);
/* oklch */ color: oklch(53.7% 0.100 264.9);

Tailwind

colors: {
  custom: {
    50: '#8795c2',
    500: '#516ca8',
    950: '#000000',
  },
}

SCSS

$custom: #516ca8;
$custom-light: #8795c2;
$custom-dark: #000000;

JSON

{
  "hex": "#516ca8",
  "rgb": {
    "r": 81,
    "g": 108,
    "b": 168
  },
  "hsl": {
    "h": 221.379,
    "s": 34.94,
    "l": 48.824
  },
  "oklch": {
    "l": 0.53736,
    "c": 0.09985,
    "h": 264.9
  },
  "luminance": 0.15302
}

Semantic roles & 50–950 ramp

primary

#516CA8

secondary

#BFB296

accent

#A95DCB

background

#F8F9FB

surface

#F0F1F7

border

#CBCBD0

text

#0C0D12

muted

#7D7E81

Preview Lab

Preview with #516CA8

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

Preview Lab → · Contrast checker → · Palette generator →