#516FE1#516FE1

#516FE1 is a mid, vivid blue. Relative luminance 0.186; OKLCH L 58.0% C 0.176 H 269.2°. Best body text is #000000 at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#516FE1
RGB	rgb(81, 111, 225)
HSL	hsl(228, 71%, 60%)
HSV	hsv(228, 64%, 88%)
CMYK	cmyk(64%, 50.7%, 0%, 11.8%)
CIE-LAB	lab(50.16, 24.88, -61.46)
CIE-LCH	lch(50.16, 66.31, 292.04°)
OKLab	oklab(57.96% -0.0025 -0.1763)
OKLCH	oklch(57.96% 0.176 269.2)
XYZ	xyz(22.6638, 18.5524, 73.6062)
Luminance	0.1855 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516FE1 #E1C351

analogous

#51B7E1 #516FE1 #7B51E1

triadic

#516FE1 #E1516F #6FE151

tetradic

#516FE1 #E151B7 #E1C351 #51E17B

square

#516FE1 #E151B7 #E1C351 #51E17B

split-complementary

#516FE1 #E17B51 #B7E151

monochromatic

#1B369D #2448D1 #516FE1 #859AEA #B9C5F3

Accessibility & contrast

On white

4.46

#516FE1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.71

#516FE1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #516FE1

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516FE1	#FFFFFF	#000000	##000000
##516FE1	1.00	4.46	4.71	4.71
#FFFFFF	4.46	1.00	21.00	21.00
#000000	4.71	21.00	1.00	1.00
##000000	4.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C7EE5

Deuteranopia (green-blind)

#0071DF

Tritanopia (blue-blind)

#008A9D

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #516fe1;
/* rgb */ color: rgb(81, 111, 225);
/* oklch */ color: oklch(58.0% 0.176 269.2);

Tailwind

colors: {
  custom: {
    50: '#9097eb',
    500: '#516fe1',
    950: '#000000',
  },
}

SCSS

$custom: #516fe1;
$custom-light: #9097eb;
$custom-dark: #000000;

JSON

{
  "hex": "#516fe1",
  "rgb": {
    "r": 81,
    "g": 111,
    "b": 225
  },
  "hsl": {
    "h": 227.5,
    "s": 70.588,
    "l": 60
  },
  "oklch": {
    "l": 0.57955,
    "c": 0.17629,
    "h": 269.2
  },
  "luminance": 0.18554
}

Semantic roles & 50–950 ramp

primary

#516FE1

secondary

#E3D7AB

accent

#C83AED

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #516FE1

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

Preview Lab → · Contrast checker → · Palette generator →