#516BE3#516BE3

#516BE3 is a mid, vivid blue. Relative luminance 0.178; OKLCH L 57.3% C 0.184 H 270.4°. Best body text is #FFFFFF at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#516BE3
RGB	rgb(81, 107, 227)
HSL	hsl(229, 72%, 60%)
HSV	hsv(229, 64%, 89%)
CMYK	cmyk(64.3%, 52.9%, 0%, 11%)
CIE-LAB	lab(49.26, 28.05, -64.04)
CIE-LCH	lch(49.26, 69.91, 293.65°)
OKLab	oklab(57.32% 0.0013 -0.1839)
OKLCH	oklch(57.32% 0.184 270.4)
XYZ	xyz(22.5115, 17.8087, 74.9093)
Luminance	0.1781 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516BE3 #E3C951

analogous

#51B4E3 #516BE3 #8051E3

triadic

#516BE3 #E3516B #6BE351

tetradic

#516BE3 #E351B4 #E3C951 #51E380

square

#516BE3 #E351B4 #E3C951 #51E380

split-complementary

#516BE3 #E38051 #B4E351

monochromatic

#1A32A0 #2242D5 #516BE3 #8698EB #BAC5F4

Accessibility & contrast

On white

4.60

#516BE3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.56

#516BE3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #516BE3

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516BE3	#FFFFFF	#000000	##FFFFFF
##516BE3	1.00	4.60	4.56	4.60
#FFFFFF	4.60	1.00	21.00	1.00
#000000	4.56	21.00	1.00	21.00
##FFFFFF	4.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#197CE7

Deuteranopia (green-blind)

#006FE1

Tritanopia (blue-blind)

#00879D

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #516be3;
/* rgb */ color: rgb(81, 107, 227);
/* oklch */ color: oklch(57.3% 0.184 270.4);

Tailwind

colors: {
  custom: {
    50: '#9095ed',
    500: '#516be3',
    950: '#000000',
  },
}

SCSS

$custom: #516be3;
$custom-light: #9095ed;
$custom-dark: #000000;

JSON

{
  "hex": "#516be3",
  "rgb": {
    "r": 81,
    "g": 107,
    "b": 227
  },
  "hsl": {
    "h": 229.315,
    "s": 72.277,
    "l": 60.392
  },
  "oklch": {
    "l": 0.57321,
    "c": 0.18389,
    "h": 270.4
  },
  "luminance": 0.17811
}

Semantic roles & 50–950 ramp

primary

#516BE3

secondary

#E4DAAC

accent

#B211D4

background

#F9F9FE

surface

#F2F1FD

border

#CCCBD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #516BE3

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

Preview Lab → · Contrast checker → · Palette generator →