#516FD3#516FD3

#516FD3 is a mid, vivid blue. Relative luminance 0.178; OKLCH L 57.0% C 0.157 H 268.5°. Best body text is #FFFFFF at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#516FD3
RGB	rgb(81, 111, 211)
HSL	hsl(226, 60%, 57%)
HSV	hsv(226, 62%, 83%)
CMYK	cmyk(61.6%, 47.4%, 0%, 17.3%)
CIE-LAB	lab(49.28, 20.10, -54.95)
CIE-LCH	lch(49.28, 58.51, 290.09°)
OKLab	oklab(57% -0.0041 -0.1571)
OKLCH	oklch(57% 0.157 268.5)
XYZ	xyz(20.8317, 17.8196, 63.9571)
Luminance	0.1782 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516FD3 #D3B551

analogous

#51B0D3 #516FD3 #7451D3

triadic

#516FD3 #D3516F #6FD351

tetradic

#516FD3 #D351B0 #D3B551 #51D374

square

#516FD3 #D351B0 #D3B551 #51D374

split-complementary

#516FD3 #D37451 #B0D351

monochromatic

#223A87 #2F4EB8 #516FD3 #8297DF #B3C0EC

Accessibility & contrast

On white

4.60

#516FD3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.56

#516FD3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #516FD3

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516FD3	#FFFFFF	#000000	##FFFFFF
##516FD3	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)

#3D7BD7

Deuteranopia (green-blind)

#2570D1

Tritanopia (blue-blind)

#008697

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #516fd3;
/* rgb */ color: rgb(81, 111, 211);
/* oklch */ color: oklch(57.0% 0.157 268.5);

Tailwind

colors: {
  custom: {
    50: '#8d97e1',
    500: '#516fd3',
    950: '#000000',
  },
}

SCSS

$custom: #516fd3;
$custom-light: #8d97e1;
$custom-dark: #000000;

JSON

{
  "hex": "#516fd3",
  "rgb": {
    "r": 81,
    "g": 111,
    "b": 211
  },
  "hsl": {
    "h": 226.154,
    "s": 59.633,
    "l": 57.255
  },
  "oklch": {
    "l": 0.57002,
    "c": 0.15716,
    "h": 268.5
  },
  "luminance": 0.17821
}

Semantic roles & 50–950 ramp

primary

#516FD3

secondary

#DACEA6

accent

#BE45E3

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #516FD3

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

Preview Lab → · Contrast checker → · Palette generator →