#516EDB#516EDB

#516EDB is a mid, vivid blue. Relative luminance 0.180; OKLCH L 57.3% C 0.169 H 269.3°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#516EDB
RGB	rgb(81, 110, 219)
HSL	hsl(227, 66%, 59%)
HSV	hsv(227, 63%, 86%)
CMYK	cmyk(63%, 49.8%, 0%, 14.1%)
CIE-LAB	lab(49.51, 23.45, -59.11)
CIE-LCH	lch(49.51, 63.59, 291.64°)
OKLab	oklab(57.34% -0.0022 -0.1694)
OKLCH	oklch(57.34% 0.169 269.3)
XYZ	xyz(21.7511, 18.0137, 69.3348)
Luminance	0.1802 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516EDB #DBBE51

analogous

#51B3DB #516EDB #7951DB

triadic

#516EDB #DB516E #6EDB51

tetradic

#516EDB #DB51B3 #DBBE51 #51DB79

square

#516EDB #DB51B3 #DBBE51 #51DB79

split-complementary

#516EDB #DB7951 #B3DB51

monochromatic

#1E3793 #294AC6 #516EDB #8498E5 #B6C3F0

Accessibility & contrast

On white

4.56

#516EDB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.60

#516EDB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #516EDB

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516EDB	#FFFFFF	#000000	##000000
##516EDB	1.00	4.56	4.60	4.60
#FFFFFF	4.56	1.00	21.00	21.00
#000000	4.60	21.00	1.00	1.00
##000000	4.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#327CDF

Deuteranopia (green-blind)

#0A70D9

Tritanopia (blue-blind)

#00879A

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #516edb;
/* rgb */ color: rgb(81, 110, 219);
/* oklch */ color: oklch(57.3% 0.169 269.3);

Tailwind

colors: {
  custom: {
    50: '#8f97e7',
    500: '#516edb',
    950: '#000000',
  },
}

SCSS

$custom: #516edb;
$custom-light: #8f97e7;
$custom-dark: #000000;

JSON

{
  "hex": "#516edb",
  "rgb": {
    "r": 81,
    "g": 110,
    "b": 219
  },
  "hsl": {
    "h": 227.391,
    "s": 65.714,
    "l": 58.824
  },
  "oklch": {
    "l": 0.57342,
    "c": 0.16938,
    "h": 269.3
  },
  "luminance": 0.18016
}

Semantic roles & 50–950 ramp

primary

#516EDB

secondary

#DFD4A9

accent

#C53FE9

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #516EDB

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

Preview Lab → · Contrast checker → · Palette generator →