#516CAF#516CAF

#516CAF is a mid, moderate blue. Relative luminance 0.156; OKLCH L 54.1% C 0.110 H 266.2°. Best body text is #FFFFFF at 5.10:1 contrast (WCAG AA passes).

Color values

HEX	#516CAF
RGB	rgb(81, 108, 175)
HSL	hsl(223, 37%, 50%)
HSV	hsv(223, 54%, 69%)
CMYK	cmyk(53.7%, 38.3%, 0%, 31.4%)
CIE-LAB	lab(46.40, 9.90, -38.78)
CIE-LCH	lch(46.40, 40.03, 284.31°)
OKLab	oklab(54.13% -0.0073 -0.1097)
OKLCH	oklch(54.13% 0.11 266.2)
XYZ	xyz(16.4912, 15.5684, 42.6851)
Luminance	0.1557 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516CAF #AF9451

analogous

#519BAF #516CAF #6551AF

triadic

#516CAF #AF516C #6CAF51

tetradic

#516CAF #AF519B #AF9451 #51AF65

square

#516CAF #AF519B #AF9451 #51AF65

split-complementary

#516CAF #AF6551 #9BAF51

monochromatic

#2A385C #3D5285 #516CAF #7B8FC2 #A5B3D6

Accessibility & contrast

On white

5.10

#516CAF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.11

#516CAF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516CAF

5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516CAF	#FFFFFF	#000000	##FFFFFF
##516CAF	1.00	5.10	4.11	5.10
#FFFFFF	5.10	1.00	21.00	1.00
#000000	4.11	21.00	1.00	21.00
##FFFFFF	5.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5173B2

Deuteranopia (green-blind)

#466AAE

Tritanopia (blue-blind)

#217B85

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #516caf;
/* rgb */ color: rgb(81, 108, 175);
/* oklch */ color: oklch(54.1% 0.110 266.2);

Tailwind

colors: {
  custom: {
    50: '#8895c7',
    500: '#516caf',
    950: '#000000',
  },
}

SCSS

$custom: #516caf;
$custom-light: #8895c7;
$custom-dark: #000000;

JSON

{
  "hex": "#516caf",
  "rgb": {
    "r": 81,
    "g": 108,
    "b": 175
  },
  "hsl": {
    "h": 222.766,
    "s": 37.008,
    "l": 50.196
  },
  "oklch": {
    "l": 0.54132,
    "c": 0.10997,
    "h": 266.2
  },
  "luminance": 0.1557
}

Semantic roles & 50–950 ramp

primary

#516CAF

secondary

#C3B799

accent

#AC5BCD

background

#F8F9FC

surface

#F0F1F8

border

#CBCBD1

text

#0C0D13

muted

#7D7E82

Preview Lab

Preview with #516CAF

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

Preview Lab → · Contrast checker → · Palette generator →