#516EEB#516EEB

#516EEB is a mid, vivid blue. Relative luminance 0.189; OKLCH L 58.5% C 0.191 H 269.7°. Best body text is #000000 at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#516EEB
RGB	rgb(81, 110, 235)
HSL	hsl(229, 79%, 62%)
HSV	hsv(229, 66%, 92%)
CMYK	cmyk(65.5%, 53.2%, 0%, 7.8%)
CIE-LAB	lab(50.57, 28.93, -66.42)
CIE-LCH	lch(50.57, 72.45, 293.53°)
OKLab	oklab(58.47% -0.0009 -0.1909)
OKLCH	oklch(58.47% 0.191 269.7)
XYZ	xyz(23.9596, 18.8971, 80.9660)
Luminance	0.1890 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516EEB #EBCE51

analogous

#51BBEB #516EEB #8151EB

triadic

#516EEB #EB516E #6EEB51

tetradic

#516EEB #EB51BB #EBCE51 #51EB81

square

#516EEB #EB51BB #EBCE51 #51EB81

split-complementary

#516EEB #EB8151 #BBEB51

monochromatic

#1431AE #1A40E5 #516EEB #889CF1 #BFC9F8

Accessibility & contrast

On white

4.39

#516EEB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.78

#516EEB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #516EEB

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516EEB	#FFFFFF	#000000	##000000
##516EEB	1.00	4.39	4.78	4.78
#FFFFFF	4.39	1.00	21.00	21.00
#000000	4.78	21.00	1.00	1.00
##000000	4.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#1380EF

Deuteranopia (green-blind)

#0072E8

Tritanopia (blue-blind)

#008CA2

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #516eeb;
/* rgb */ color: rgb(81, 110, 235);
/* oklch */ color: oklch(58.5% 0.191 269.7);

Tailwind

colors: {
  custom: {
    50: '#9297f2',
    500: '#516eeb',
    950: '#000000',
  },
}

SCSS

$custom: #516eeb;
$custom-light: #9297f2;
$custom-dark: #000000;

JSON

{
  "hex": "#516eeb",
  "rgb": {
    "r": 81,
    "g": 110,
    "b": 235
  },
  "hsl": {
    "h": 228.701,
    "s": 79.381,
    "l": 61.961
  },
  "oklch": {
    "l": 0.58474,
    "c": 0.19088,
    "h": 269.7
  },
  "luminance": 0.18899
}

Semantic roles & 50–950 ramp

primary

#516EEB

secondary

#E8DEB0

accent

#B40ADC

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0D17

muted

#7E7E85

Preview Lab

Preview with #516EEB

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

Preview Lab → · Contrast checker → · Palette generator →