#516DBC#516DBC

#516DBC is a mid, vivid blue. Relative luminance 0.163; OKLCH L 55.1% C 0.127 H 267.4°. Best body text is #FFFFFF at 4.93:1 contrast (WCAG AA passes).

Color values

HEX	#516DBC
RGB	rgb(81, 109, 188)
HSL	hsl(224, 44%, 53%)
HSV	hsv(224, 57%, 74%)
CMYK	cmyk(56.9%, 42%, 0%, 26.3%)
CIE-LAB	lab(47.39, 13.57, -44.78)
CIE-LCH	lch(47.39, 46.79, 286.86°)
OKLab	oklab(55.12% -0.0057 -0.1273)
OKLCH	oklch(55.12% 0.127 267.4)
XYZ	xyz(17.9360, 16.3161, 49.7713)
Luminance	0.1632 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516DBC #BCA051

analogous

#51A2BC #516DBC #6A51BC

triadic

#516DBC #BC516D #6DBC51

tetradic

#516DBC #BC51A2 #BCA051 #51BC6A

square

#516DBC #BC51A2 #BCA051 #51BC6A

split-complementary

#516DBC #BC6A51 #A2BC51

monochromatic

#293A6A #3A5296 #516DBC #7D92CD #A9B7DE

Accessibility & contrast

On white

4.93

#516DBC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.26

#516DBC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516DBC

4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516DBC	#FFFFFF	#000000	##FFFFFF
##516DBC	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)

#4B76BF

Deuteranopia (green-blind)

#3D6CBA

Tritanopia (blue-blind)

#057E8B

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #516dbc;
/* rgb */ color: rgb(81, 109, 188);
/* oklch */ color: oklch(55.1% 0.127 267.4);

Tailwind

colors: {
  custom: {
    50: '#8a96d0',
    500: '#516dbc',
    950: '#000000',
  },
}

SCSS

$custom: #516dbc;
$custom-light: #8a96d0;
$custom-dark: #000000;

JSON

{
  "hex": "#516dbc",
  "rgb": {
    "r": 81,
    "g": 109,
    "b": 188
  },
  "hsl": {
    "h": 224.299,
    "s": 44.398,
    "l": 52.745
  },
  "oklch": {
    "l": 0.55119,
    "c": 0.12739,
    "h": 267.4
  },
  "luminance": 0.16317
}

Semantic roles & 50–950 ramp

primary

#516DBC

secondary

#CCBF9D

accent

#B354D4

background

#F8F9FC

surface

#F0F1F9

border

#CBCBD2

text

#0C0D14

muted

#7D7E82

Preview Lab

Preview with #516DBC

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

Preview Lab → · Contrast checker → · Palette generator →