#516EB2#516EB2

#516EB2 is a mid, moderate blue. Relative luminance 0.161; OKLCH L 54.7% C 0.112 H 265.4°. Best body text is #FFFFFF at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#516EB2
RGB	rgb(81, 110, 178)
HSL	hsl(222, 39%, 51%)
HSV	hsv(222, 54%, 70%)
CMYK	cmyk(54.5%, 38.2%, 0%, 30.2%)
CIE-LAB	lab(47.12, 9.64, -39.39)
CIE-LCH	lch(47.12, 40.55, 283.75°)
OKLab	oklab(54.74% -0.0089 -0.1115)
OKLCH	oklch(54.74% 0.112 265.4)
XYZ	xyz(17.0025, 16.1143, 44.3253)
Luminance	0.1612 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516EB2 #B29551

analogous

#519EB2 #516EB2 #6451B2

triadic

#516EB2 #B2516E #6EB251

tetradic

#516EB2 #B2519E #B29551 #51B264

square

#516EB2 #B2519E #B29551 #51B264

split-complementary

#516EB2 #B26451 #9EB251

monochromatic

#2A3A5F #3D5489 #516EB2 #7B91C5 #A6B5D8

Accessibility & contrast

On white

4.97

#516EB2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.22

#516EB2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516EB2

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516EB2	#FFFFFF	#000000	##FFFFFF
##516EB2	1.00	4.97	4.22	4.97
#FFFFFF	4.97	1.00	21.00	1.00
#000000	4.22	21.00	1.00	21.00
##FFFFFF	4.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5374B5

Deuteranopia (green-blind)

#476CB1

Tritanopia (blue-blind)

#1C7D87

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #516eb2;
/* rgb */ color: rgb(81, 110, 178);
/* oklch */ color: oklch(54.7% 0.112 265.4);

Tailwind

colors: {
  custom: {
    50: '#8897c9',
    500: '#516eb2',
    950: '#000000',
  },
}

SCSS

$custom: #516eb2;
$custom-light: #8897c9;
$custom-dark: #000000;

JSON

{
  "hex": "#516eb2",
  "rgb": {
    "r": 81,
    "g": 110,
    "b": 178
  },
  "hsl": {
    "h": 222.062,
    "s": 38.645,
    "l": 50.784
  },
  "oklch": {
    "l": 0.54741,
    "c": 0.11185,
    "h": 265.4
  },
  "luminance": 0.16116
}

Semantic roles & 50–950 ramp

primary

#516EB2

secondary

#C5B89A

accent

#AB59CF

background

#F8F9FC

surface

#F0F2F8

border

#CBCCD1

text

#0C0D13

muted

#7D7E82

Preview Lab

Preview with #516EB2

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

Preview Lab → · Contrast checker → · Palette generator →