#516EB6#516EB6

#516EB6 is a mid, moderate blue. Relative luminance 0.163; OKLCH L 55.0% C 0.118 H 266.1°. Best body text is #FFFFFF at 4.93:1 contrast (WCAG AA passes).

Color values

HEX	#516EB6
RGB	rgb(81, 110, 182)
HSL	hsl(223, 41%, 52%)
HSV	hsv(223, 55%, 71%)
CMYK	cmyk(55.5%, 39.6%, 0%, 28.6%)
CIE-LAB	lab(47.34, 10.96, -41.38)
CIE-LCH	lch(47.34, 42.81, 284.83°)
OKLab	oklab(54.97% -0.008 -0.1173)
OKLCH	oklch(54.97% 0.118 266.1)
XYZ	xyz(17.4099, 16.2773, 46.4713)
Luminance	0.1628 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516EB6 #B69951

analogous

#51A1B6 #516EB6 #6751B6

triadic

#516EB6 #B6516E #6EB651

tetradic

#516EB6 #B651A1 #B69951 #51B667

square

#516EB6 #B651A1 #B69951 #51B667

split-complementary

#516EB6 #B66751 #A1B651

monochromatic

#2A3A63 #3C538E #516EB6 #7C92C8 #A7B6DA

Accessibility & contrast

On white

4.93

#516EB6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.26

#516EB6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516EB6

4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516EB6	#FFFFFF	#000000	##FFFFFF
##516EB6	1.00	4.93	4.26	4.93
#FFFFFF	4.93	1.00	21.00	1.00
#000000	4.26	21.00	1.00	21.00
##FFFFFF	4.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5075B9

Deuteranopia (green-blind)

#446CB4

Tritanopia (blue-blind)

#157E89

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #516eb6;
/* rgb */ color: rgb(81, 110, 182);
/* oklch */ color: oklch(55.0% 0.118 266.1);

Tailwind

colors: {
  custom: {
    50: '#8997cc',
    500: '#516eb6',
    950: '#000000',
  },
}

SCSS

$custom: #516eb6;
$custom-light: #8997cc;
$custom-dark: #000000;

JSON

{
  "hex": "#516eb6",
  "rgb": {
    "r": 81,
    "g": 110,
    "b": 182
  },
  "hsl": {
    "h": 222.772,
    "s": 40.891,
    "l": 51.569
  },
  "oklch": {
    "l": 0.54974,
    "c": 0.11759,
    "h": 266.1
  },
  "luminance": 0.16279
}

Semantic roles & 50–950 ramp

primary

#516EB6

secondary

#C8BB9B

accent

#AE57D1

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0D13

muted

#7D7E82

Preview Lab

Preview with #516EB6

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

Preview Lab → · Contrast checker → · Palette generator →