#516EBC#516EBC

#516EBC is a mid, vivid blue. Relative luminance 0.165; OKLCH L 55.3% C 0.126 H 266.9°. Best body text is #FFFFFF at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#516EBC
RGB	rgb(81, 110, 188)
HSL	hsl(224, 44%, 53%)
HSV	hsv(224, 57%, 74%)
CMYK	cmyk(56.9%, 41.5%, 0%, 26.3%)
CIE-LAB	lab(47.66, 12.95, -44.34)
CIE-LCH	lch(47.66, 46.19, 286.28°)
OKLab	oklab(55.33% -0.0068 -0.126)
OKLCH	oklch(55.33% 0.126 266.9)
XYZ	xyz(18.0433, 16.5306, 49.8071)
Luminance	0.1653 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516EBC #BC9F51

analogous

#51A4BC #516EBC #6951BC

triadic

#516EBC #BC516E #6EBC51

tetradic

#516EBC #BC51A4 #BC9F51 #51BC69

square

#516EBC #BC51A4 #BC9F51 #51BC69

split-complementary

#516EBC #BC6951 #A4BC51

monochromatic

#293A6A #3A5396 #516EBC #7D93CD #A9B8DE

Accessibility & contrast

On white

4.88

#516EBC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.31

#516EBC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516EBC

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516EBC	#FFFFFF	#000000	##FFFFFF
##516EBC	1.00	4.88	4.31	4.88
#FFFFFF	4.88	1.00	21.00	1.00
#000000	4.31	21.00	1.00	21.00
##FFFFFF	4.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D76BF

Deuteranopia (green-blind)

#3F6DBA

Tritanopia (blue-blind)

#057F8C

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #516ebc;
/* rgb */ color: rgb(81, 110, 188);
/* oklch */ color: oklch(55.3% 0.126 266.9);

Tailwind

colors: {
  custom: {
    50: '#8a97d0',
    500: '#516ebc',
    950: '#000000',
  },
}

SCSS

$custom: #516ebc;
$custom-light: #8a97d0;
$custom-dark: #000000;

JSON

{
  "hex": "#516ebc",
  "rgb": {
    "r": 81,
    "g": 110,
    "b": 188
  },
  "hsl": {
    "h": 223.738,
    "s": 44.398,
    "l": 52.745
  },
  "oklch": {
    "l": 0.55332,
    "c": 0.12614,
    "h": 266.9
  },
  "luminance": 0.16532
}

Semantic roles & 50–950 ramp

primary

#516EBC

secondary

#CCBF9D

accent

#B154D4

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0D14

muted

#7D7E82

Preview Lab

Preview with #516EBC

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

Preview Lab → · Contrast checker → · Palette generator →