#516CBD#516CBD

#516CBD is a mid, vivid blue. Relative luminance 0.161; OKLCH L 55.0% C 0.130 H 268.1°. Best body text is #FFFFFF at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#516CBD
RGB	rgb(81, 108, 189)
HSL	hsl(225, 45%, 53%)
HSV	hsv(225, 57%, 74%)
CMYK	cmyk(57.1%, 42.9%, 0%, 25.9%)
CIE-LAB	lab(47.17, 14.53, -45.71)
CIE-LCH	lch(47.17, 47.96, 287.64°)
OKLab	oklab(54.97% -0.0044 -0.13)
OKLCH	oklch(54.97% 0.13 268.1)
XYZ	xyz(17.9381, 16.1472, 50.3057)
Luminance	0.1615 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516CBD #BDA251

analogous

#51A2BD #516CBD #6C51BD

triadic

#516CBD #BD516C #6CBD51

tetradic

#516CBD #BD51A2 #BDA251 #51BD6C

square

#516CBD #BD51A2 #BDA251 #51BD6C

split-complementary

#516CBD #BD6C51 #A2BD51

monochromatic

#29396B #395197 #516CBD #7D91CE #AAB7DF

Accessibility & contrast

On white

4.96

#516CBD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.23

#516CBD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516CBD

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516CBD	#FFFFFF	#000000	##FFFFFF
##516CBD	1.00	4.96	4.23	4.96
#FFFFFF	4.96	1.00	21.00	1.00
#000000	4.23	21.00	1.00	21.00
##FFFFFF	4.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4975C0

Deuteranopia (green-blind)

#3B6BBB

Tritanopia (blue-blind)

#037E8B

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #516cbd;
/* rgb */ color: rgb(81, 108, 189);
/* oklch */ color: oklch(55.0% 0.130 268.1);

Tailwind

colors: {
  custom: {
    50: '#8a95d1',
    500: '#516cbd',
    950: '#000000',
  },
}

SCSS

$custom: #516cbd;
$custom-light: #8a95d1;
$custom-dark: #000000;

JSON

{
  "hex": "#516cbd",
  "rgb": {
    "r": 81,
    "g": 108,
    "b": 189
  },
  "hsl": {
    "h": 225,
    "s": 45,
    "l": 52.941
  },
  "oklch": {
    "l": 0.54969,
    "c": 0.13006,
    "h": 268.1
  },
  "luminance": 0.16149
}

Semantic roles & 50–950 ramp

primary

#516CBD

secondary

#CCC19E

accent

#B453D5

background

#F8F9FC

surface

#F0F1F9

border

#CBCBD2

text

#0C0D14

muted

#7D7E82

Preview Lab

Preview with #516CBD

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

Preview Lab → · Contrast checker → · Palette generator →