#516BBC#516BBC

#516BBC is a mid, vivid blue. Relative luminance 0.159; OKLCH L 54.7% C 0.130 H 268.5°. Best body text is #FFFFFF at 5.02:1 contrast (WCAG AA passes).

Color values

HEX	#516BBC
RGB	rgb(81, 107, 188)
HSL	hsl(225, 44%, 53%)
HSV	hsv(225, 57%, 74%)
CMYK	cmyk(56.9%, 43.1%, 0%, 26.3%)
CIE-LAB	lab(46.84, 14.82, -45.66)
CIE-LCH	lch(46.84, 48.00, 287.98°)
OKLab	oklab(54.7% -0.0034 -0.1299)
OKLCH	oklch(54.7% 0.13 268.5)
XYZ	xyz(17.7251, 15.8942, 49.7010)
Luminance	0.1590 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516BBC #BCA251

analogous

#51A0BC #516BBC #6D51BC

triadic

#516BBC #BC516B #6BBC51

tetradic

#516BBC #BC51A0 #BCA251 #51BC6D

square

#516BBC #BC51A0 #BCA251 #51BC6D

split-complementary

#516BBC #BC6D51 #A0BC51

monochromatic

#29396A #3A5096 #516BBC #7D91CD #A9B6DE

Accessibility & contrast

On white

5.02

#516BBC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.18

#516BBC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516BBC

5.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516BBC	#FFFFFF	#000000	##FFFFFF
##516BBC	1.00	5.02	4.18	5.02
#FFFFFF	5.02	1.00	21.00	1.00
#000000	4.18	21.00	1.00	21.00
##FFFFFF	5.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4874BF

Deuteranopia (green-blind)

#3A6BBA

Tritanopia (blue-blind)

#077D8A

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #516bbc;
/* rgb */ color: rgb(81, 107, 188);
/* oklch */ color: oklch(54.7% 0.130 268.5);

Tailwind

colors: {
  custom: {
    50: '#8a95d0',
    500: '#516bbc',
    950: '#000000',
  },
}

SCSS

$custom: #516bbc;
$custom-light: #8a95d0;
$custom-dark: #000000;

JSON

{
  "hex": "#516bbc",
  "rgb": {
    "r": 81,
    "g": 107,
    "b": 188
  },
  "hsl": {
    "h": 225.421,
    "s": 44.398,
    "l": 52.745
  },
  "oklch": {
    "l": 0.54696,
    "c": 0.12991,
    "h": 268.5
  },
  "luminance": 0.15896
}

Semantic roles & 50–950 ramp

primary

#516BBC

secondary

#CCC09D

accent

#B554D4

background

#F8F9FC

surface

#F0F1F9

border

#CBCBD2

text

#0C0D14

muted

#7D7E82

Preview Lab

Preview with #516BBC

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

Preview Lab → · Contrast checker → · Palette generator →