#516DBA#516DBA

#516DBA is a mid, vivid blue. Relative luminance 0.162; OKLCH L 55.0% C 0.125 H 267.2°. Best body text is #FFFFFF at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#516DBA
RGB	rgb(81, 109, 186)
HSL	hsl(224, 43%, 52%)
HSV	hsv(224, 56%, 73%)
CMYK	cmyk(56.5%, 41.4%, 0%, 27.1%)
CIE-LAB	lab(47.28, 12.91, -43.80)
CIE-LCH	lch(47.28, 45.66, 286.42°)
OKLab	oklab(55% -0.0061 -0.1244)
OKLCH	oklch(55% 0.125 267.2)
XYZ	xyz(17.7219, 16.2304, 48.6438)
Luminance	0.1623 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516DBA #BA9E51

analogous

#51A2BA #516DBA #6A51BA

triadic

#516DBA #BA516D #6DBA51

tetradic

#516DBA #BA51A2 #BA9E51 #51BA6A

square

#516DBA #BA51A2 #BA9E51 #51BA6A

split-complementary

#516DBA #BA6A51 #A2BA51

monochromatic

#293A68 #3A5293 #516DBA #7D92CB #A9B7DD

Accessibility & contrast

On white

4.95

#516DBA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.25

#516DBA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516DBA

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516DBA	#FFFFFF	#000000	##FFFFFF
##516DBA	1.00	4.95	4.25	4.95
#FFFFFF	4.95	1.00	21.00	1.00
#000000	4.25	21.00	1.00	21.00
##FFFFFF	4.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C75BD

Deuteranopia (green-blind)

#3F6CB8

Tritanopia (blue-blind)

#0C7E8A

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #516dba;
/* rgb */ color: rgb(81, 109, 186);
/* oklch */ color: oklch(55.0% 0.125 267.2);

Tailwind

colors: {
  custom: {
    50: '#8a96cf',
    500: '#516dba',
    950: '#000000',
  },
}

SCSS

$custom: #516dba;
$custom-light: #8a96cf;
$custom-dark: #000000;

JSON

{
  "hex": "#516dba",
  "rgb": {
    "r": 81,
    "g": 109,
    "b": 186
  },
  "hsl": {
    "h": 224,
    "s": 43.21,
    "l": 52.353
  },
  "oklch": {
    "l": 0.54998,
    "c": 0.12454,
    "h": 267.2
  },
  "luminance": 0.16232
}

Semantic roles & 50–950 ramp

primary

#516DBA

secondary

#CABE9D

accent

#B155D3

background

#F8F9FC

surface

#F0F1F9

border

#CBCBD2

text

#0C0D14

muted

#7D7E82

Preview Lab

Preview with #516DBA

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

Preview Lab → · Contrast checker → · Palette generator →