#516DAF#516DAF

#516DAF is a mid, moderate blue. Relative luminance 0.158; OKLCH L 54.4% C 0.109 H 265.5°. Best body text is #FFFFFF at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#516DAF
RGB	rgb(81, 109, 175)
HSL	hsl(222, 37%, 50%)
HSV	hsv(222, 54%, 69%)
CMYK	cmyk(53.7%, 37.7%, 0%, 31.4%)
CIE-LAB	lab(46.69, 9.28, -38.34)
CIE-LCH	lch(46.69, 39.44, 283.60°)
OKLab	oklab(54.35% -0.0084 -0.1084)
OKLCH	oklch(54.35% 0.109 265.5)
XYZ	xyz(16.5973, 15.7806, 42.7205)
Luminance	0.1578 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516DAF #AF9351

analogous

#519CAF #516DAF #6451AF

triadic

#516DAF #AF516D #6DAF51

tetradic

#516DAF #AF519C #AF9351 #51AF64

square

#516DAF #AF519C #AF9351 #51AF64

split-complementary

#516DAF #AF6451 #9CAF51

monochromatic

#2A395C #3D5385 #516DAF #7B90C2 #A5B3D6

Accessibility & contrast

On white

5.05

#516DAF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.16

#516DAF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516DAF

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516DAF	#FFFFFF	#000000	##FFFFFF
##516DAF	1.00	5.05	4.16	5.05
#FFFFFF	5.05	1.00	21.00	1.00
#000000	4.16	21.00	1.00	21.00
##FFFFFF	5.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5373B2

Deuteranopia (green-blind)

#486BAE

Tritanopia (blue-blind)

#217B85

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #516daf;
/* rgb */ color: rgb(81, 109, 175);
/* oklch */ color: oklch(54.4% 0.109 265.5);

Tailwind

colors: {
  custom: {
    50: '#8896c7',
    500: '#516daf',
    950: '#000000',
  },
}

SCSS

$custom: #516daf;
$custom-light: #8896c7;
$custom-dark: #000000;

JSON

{
  "hex": "#516daf",
  "rgb": {
    "r": 81,
    "g": 109,
    "b": 175
  },
  "hsl": {
    "h": 222.128,
    "s": 37.008,
    "l": 50.196
  },
  "oklch": {
    "l": 0.5435,
    "c": 0.10875,
    "h": 265.5
  },
  "luminance": 0.15782
}

Semantic roles & 50–950 ramp

primary

#516DAF

secondary

#C3B699

accent

#AB5BCD

background

#F8F9FC

surface

#F0F1F8

border

#CBCBD1

text

#0C0D13

muted

#7D7E82

Preview Lab

Preview with #516DAF

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

Preview Lab → · Contrast checker → · Palette generator →