#516FAC#516FAC

#516FAC is a mid, moderate blue. Relative luminance 0.161; OKLCH L 54.6% C 0.102 H 263.5°. Best body text is #FFFFFF at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#516FAC
RGB	rgb(81, 111, 172)
HSL	hsl(220, 36%, 50%)
HSV	hsv(220, 53%, 67%)
CMYK	cmyk(52.9%, 35.5%, 0%, 32.5%)
CIE-LAB	lab(47.10, 7.06, -35.93)
CIE-LCH	lch(47.10, 36.62, 281.12°)
OKLab	oklab(54.62% -0.0116 -0.1014)
OKLCH	oklch(54.62% 0.102 263.5)
XYZ	xyz(16.5217, 16.0956, 41.2579)
Luminance	0.1610 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516FAC #AC8E51

analogous

#519CAC #516FAC #6151AC

triadic

#516FAC #AC516F #6FAC51

tetradic

#516FAC #AC519C #AC8E51 #51AC61

square

#516FAC #AC519C #AC8E51 #51AC61

split-complementary

#516FAC #AC6151 #9CAC51

monochromatic

#2A3959 #3D5482 #516FAC #7A91C0 #A3B3D4

Accessibility & contrast

On white

4.98

#516FAC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.22

#516FAC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516FAC

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516FAC	#FFFFFF	#000000	##FFFFFF
##516FAC	1.00	4.98	4.22	4.98
#FFFFFF	4.98	1.00	21.00	1.00
#000000	4.22	21.00	1.00	21.00
##FFFFFF	4.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5774AF

Deuteranopia (green-blind)

#4C6CAB

Tritanopia (blue-blind)

#247C85

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #516fac;
/* rgb */ color: rgb(81, 111, 172);
/* oklch */ color: oklch(54.6% 0.102 263.5);

Tailwind

colors: {
  custom: {
    50: '#8898c5',
    500: '#516fac',
    950: '#000000',
  },
}

SCSS

$custom: #516fac;
$custom-light: #8898c5;
$custom-dark: #000000;

JSON

{
  "hex": "#516fac",
  "rgb": {
    "r": 81,
    "g": 111,
    "b": 172
  },
  "hsl": {
    "h": 220.22,
    "s": 35.968,
    "l": 49.608
  },
  "oklch": {
    "l": 0.54621,
    "c": 0.10206,
    "h": 263.5
  },
  "luminance": 0.16097
}

Semantic roles & 50–950 ramp

primary

#516FAC

secondary

#C1B398

accent

#A75CCC

background

#F8F9FC

surface

#F0F2F8

border

#CBCCD1

text

#0C0D13

muted

#7D7E82

Preview Lab

Preview with #516FAC

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

Preview Lab → · Contrast checker → · Palette generator →