#516FE5#516FE5

#516FE5 is a mid, vivid blue. Relative luminance 0.188; OKLCH L 58.2% C 0.182 H 269.3°. Best body text is #000000 at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#516FE5
RGB	rgb(81, 111, 229)
HSL	hsl(228, 74%, 61%)
HSV	hsv(228, 65%, 90%)
CMYK	cmyk(64.6%, 51.5%, 0%, 10.2%)
CIE-LAB	lab(50.42, 26.25, -63.29)
CIE-LCH	lch(50.42, 68.52, 292.53°)
OKLab	oklab(58.24% -0.0022 -0.1816)
OKLCH	oklch(58.24% 0.182 269.3)
XYZ	xyz(23.2158, 18.7732, 76.5137)
Luminance	0.1878 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516FE5 #E5C751

analogous

#51B9E5 #516FE5 #7D51E5

triadic

#516FE5 #E5516F #6FE551

tetradic

#516FE5 #E551B9 #E5C751 #51E57D

square

#516FE5 #E551B9 #E5C751 #51E57D

split-complementary

#516FE5 #E57D51 #B9E551

monochromatic

#1835A3 #2046D8 #516FE5 #869BED #BBC7F5

Accessibility & contrast

On white

4.42

#516FE5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.76

#516FE5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #516FE5

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516FE5	#FFFFFF	#000000	##000000
##516FE5	1.00	4.42	4.76	4.76
#FFFFFF	4.42	1.00	21.00	21.00
#000000	4.76	21.00	1.00	1.00
##000000	4.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#267FE9

Deuteranopia (green-blind)

#0072E3

Tritanopia (blue-blind)

#008B9F

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #516fe5;
/* rgb */ color: rgb(81, 111, 229);
/* oklch */ color: oklch(58.2% 0.182 269.3);

Tailwind

colors: {
  custom: {
    50: '#9097ee',
    500: '#516fe5',
    950: '#000000',
  },
}

SCSS

$custom: #516fe5;
$custom-light: #9097ee;
$custom-dark: #000000;

JSON

{
  "hex": "#516fe5",
  "rgb": {
    "r": 81,
    "g": 111,
    "b": 229
  },
  "hsl": {
    "h": 227.838,
    "s": 74,
    "l": 60.784
  },
  "oklch": {
    "l": 0.58236,
    "c": 0.18166,
    "h": 269.3
  },
  "luminance": 0.18775
}

Semantic roles & 50–950 ramp

primary

#516FE5

secondary

#E5DAAD

accent

#AE0FD6

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #516FE5

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

Preview Lab → · Contrast checker → · Palette generator →