#516DBD#516DBD

#516DBD is a mid, vivid blue. Relative luminance 0.164; OKLCH L 55.2% C 0.129 H 267.6°. Best body text is #FFFFFF at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#516DBD
RGB	rgb(81, 109, 189)
HSL	hsl(224, 45%, 53%)
HSV	hsv(224, 57%, 74%)
CMYK	cmyk(57.1%, 42.3%, 0%, 25.9%)
CIE-LAB	lab(47.44, 13.91, -45.27)
CIE-LCH	lch(47.44, 47.36, 287.08°)
OKLab	oklab(55.18% -0.0055 -0.1287)
OKLCH	oklch(55.18% 0.129 267.6)
XYZ	xyz(18.0442, 16.3593, 50.3410)
Luminance	0.1636 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516DBD #BDA151

analogous

#51A3BD #516DBD #6B51BD

triadic

#516DBD #BD516D #6DBD51

tetradic

#516DBD #BD51A3 #BDA151 #51BD6B

square

#516DBD #BD51A3 #BDA151 #51BD6B

split-complementary

#516DBD #BD6B51 #A3BD51

monochromatic

#293A6B #395297 #516DBD #7D92CE #AAB7DF

Accessibility & contrast

On white

4.92

#516DBD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.27

#516DBD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516DBD

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516DBD	#FFFFFF	#000000	##FFFFFF
##516DBD	1.00	4.92	4.27	4.92
#FFFFFF	4.92	1.00	21.00	1.00
#000000	4.27	21.00	1.00	21.00
##FFFFFF	4.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A76C0

Deuteranopia (green-blind)

#3C6CBB

Tritanopia (blue-blind)

#027F8C

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #516dbd;
/* rgb */ color: rgb(81, 109, 189);
/* oklch */ color: oklch(55.2% 0.129 267.6);

Tailwind

colors: {
  custom: {
    50: '#8a96d1',
    500: '#516dbd',
    950: '#000000',
  },
}

SCSS

$custom: #516dbd;
$custom-light: #8a96d1;
$custom-dark: #000000;

JSON

{
  "hex": "#516dbd",
  "rgb": {
    "r": 81,
    "g": 109,
    "b": 189
  },
  "hsl": {
    "h": 224.444,
    "s": 45,
    "l": 52.941
  },
  "oklch": {
    "l": 0.55181,
    "c": 0.12882,
    "h": 267.6
  },
  "luminance": 0.16361
}

Semantic roles & 50–950 ramp

primary

#516DBD

secondary

#CCC09E

accent

#B353D5

background

#F8F9FC

surface

#F0F1F9

border

#CBCBD2

text

#0C0D14

muted

#7D7E82

Preview Lab

Preview with #516DBD

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

Preview Lab → · Contrast checker → · Palette generator →