#516CB8#516CB8

#516CB8 is a mid, vivid blue. Relative luminance 0.159; OKLCH L 54.7% C 0.123 H 267.5°. Best body text is #FFFFFF at 5.02:1 contrast (WCAG AA passes).

Color values

HEX	#516CB8
RGB	rgb(81, 108, 184)
HSL	hsl(224, 42%, 52%)
HSV	hsv(224, 56%, 72%)
CMYK	cmyk(56%, 41.3%, 0%, 27.8%)
CIE-LAB	lab(46.89, 12.86, -43.25)
CIE-LCH	lch(46.89, 45.13, 286.56°)
OKLab	oklab(54.66% -0.0053 -0.1228)
OKLCH	oklch(54.66% 0.123 267.5)
XYZ	xyz(17.4047, 15.9338, 47.4965)
Luminance	0.1593 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516CB8 #B89D51

analogous

#51A0B8 #516CB8 #6A51B8

triadic

#516CB8 #B8516C #6CB851

tetradic

#516CB8 #B851A0 #B89D51 #51B86A

square

#516CB8 #B851A0 #B89D51 #51B86A

split-complementary

#516CB8 #B86A51 #A0B851

monochromatic

#293965 #3B5291 #516CB8 #7C91CA #A8B5DB

Accessibility & contrast

On white

5.02

#516CB8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.19

#516CB8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516CB8

5.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516CB8	#FFFFFF	#000000	##FFFFFF
##516CB8	1.00	5.02	4.19	5.02
#FFFFFF	5.02	1.00	21.00	1.00
#000000	4.19	21.00	1.00	21.00
##FFFFFF	5.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C74BB

Deuteranopia (green-blind)

#3F6BB6

Tritanopia (blue-blind)

#127D89

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #516cb8;
/* rgb */ color: rgb(81, 108, 184);
/* oklch */ color: oklch(54.7% 0.123 267.5);

Tailwind

colors: {
  custom: {
    50: '#8995ce',
    500: '#516cb8',
    950: '#000000',
  },
}

SCSS

$custom: #516cb8;
$custom-light: #8995ce;
$custom-dark: #000000;

JSON

{
  "hex": "#516cb8",
  "rgb": {
    "r": 81,
    "g": 108,
    "b": 184
  },
  "hsl": {
    "h": 224.272,
    "s": 42.041,
    "l": 51.961
  },
  "oklch": {
    "l": 0.54664,
    "c": 0.12293,
    "h": 267.5
  },
  "luminance": 0.15935
}

Semantic roles & 50–950 ramp

primary

#516CB8

secondary

#C9BD9C

accent

#B156D2

background

#F8F9FC

surface

#F0F1F9

border

#CBCBD2

text

#0C0D13

muted

#7D7E82

Preview Lab

Preview with #516CB8

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

Preview Lab → · Contrast checker → · Palette generator →