#516FB0#516FB0

#516FB0 is a mid, moderate blue. Relative luminance 0.163; OKLCH L 54.8% C 0.108 H 264.4°. Best body text is #FFFFFF at 4.94:1 contrast (WCAG AA passes).

Color values

HEX	#516FB0
RGB	rgb(81, 111, 176)
HSL	hsl(221, 38%, 50%)
HSV	hsv(221, 54%, 69%)
CMYK	cmyk(54%, 36.9%, 0%, 31%)
CIE-LAB	lab(47.30, 8.37, -37.95)
CIE-LCH	lch(47.30, 38.86, 282.43°)
OKLab	oklab(54.85% -0.0106 -0.1073)
OKLCH	oklch(54.85% 0.108 264.4)
XYZ	xyz(16.9116, 16.2516, 43.3116)
Luminance	0.1625 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516FB0 #B09251

analogous

#519EB0 #516FB0 #6351B0

triadic

#516FB0 #B0516F #6FB051

tetradic

#516FB0 #B0519E #B09251 #51B063

square

#516FB0 #B0519E #B09251 #51B063

split-complementary

#516FB0 #B06351 #9EB051

monochromatic

#2A3A5D #3D5487 #516FB0 #7B92C3 #A5B5D6

Accessibility & contrast

On white

4.94

#516FB0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.25

#516FB0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516FB0

4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516FB0	#FFFFFF	#000000	##FFFFFF
##516FB0	1.00	4.94	4.25	4.94
#FFFFFF	4.94	1.00	21.00	1.00
#000000	4.25	21.00	1.00	21.00
##FFFFFF	4.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5575B3

Deuteranopia (green-blind)

#4A6CAF

Tritanopia (blue-blind)

#1F7D87

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #516fb0;
/* rgb */ color: rgb(81, 111, 176);
/* oklch */ color: oklch(54.8% 0.108 264.4);

Tailwind

colors: {
  custom: {
    50: '#8898c8',
    500: '#516fb0',
    950: '#000000',
  },
}

SCSS

$custom: #516fb0;
$custom-light: #8898c8;
$custom-dark: #000000;

JSON

{
  "hex": "#516fb0",
  "rgb": {
    "r": 81,
    "g": 111,
    "b": 176
  },
  "hsl": {
    "h": 221.053,
    "s": 37.549,
    "l": 50.392
  },
  "oklch": {
    "l": 0.54845,
    "c": 0.10778,
    "h": 264.4
  },
  "luminance": 0.16253
}

Semantic roles & 50–950 ramp

primary

#516FB0

secondary

#C4B699

accent

#A95ACE

background

#F8F9FC

surface

#F0F2F8

border

#CBCCD1

text

#0C0D13

muted

#7D7E82

Preview Lab

Preview with #516FB0

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

Preview Lab → · Contrast checker → · Palette generator →