#516FE9#516FE9

#516FE9 is a mid, vivid blue. Relative luminance 0.190; OKLCH L 58.5% C 0.187 H 269.4°. Best body text is #000000 at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#516FE9
RGB	rgb(81, 111, 233)
HSL	hsl(228, 78%, 62%)
HSV	hsv(228, 65%, 91%)
CMYK	cmyk(65.2%, 52.4%, 0%, 8.6%)
CIE-LAB	lab(50.69, 27.62, -65.11)
CIE-LCH	lch(50.69, 70.73, 292.99°)
OKLab	oklab(58.52% -0.0019 -0.187)
OKLCH	oklch(58.52% 0.187 269.4)
XYZ	xyz(23.7808, 18.9992, 79.4890)
Luminance	0.1900 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516FE9 #E9CB51

analogous

#51BBE9 #516FE9 #7F51E9

triadic

#516FE9 #E9516F #6FE951

tetradic

#516FE9 #E951BB #E9CB51 #51E97F

square

#516FE9 #E951BB #E9CB51 #51E97F

split-complementary

#516FE9 #E97F51 #BBE951

monochromatic

#1633AA #1C43E0 #516FE9 #879CF0 #BEC9F7

Accessibility & contrast

On white

4.37

#516FE9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.80

#516FE9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #516FE9

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516FE9	#FFFFFF	#000000	##000000
##516FE9	1.00	4.37	4.80	4.80
#FFFFFF	4.37	1.00	21.00	21.00
#000000	4.80	21.00	1.00	1.00
##000000	4.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E80ED

Deuteranopia (green-blind)

#0072E7

Tritanopia (blue-blind)

#008CA1

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #516fe9;
/* rgb */ color: rgb(81, 111, 233);
/* oklch */ color: oklch(58.5% 0.187 269.4);

Tailwind

colors: {
  custom: {
    50: '#9197f1',
    500: '#516fe9',
    950: '#000000',
  },
}

SCSS

$custom: #516fe9;
$custom-light: #9197f1;
$custom-dark: #000000;

JSON

{
  "hex": "#516fe9",
  "rgb": {
    "r": 81,
    "g": 111,
    "b": 233
  },
  "hsl": {
    "h": 228.158,
    "s": 77.551,
    "l": 61.569
  },
  "oklch": {
    "l": 0.58521,
    "c": 0.18701,
    "h": 269.4
  },
  "luminance": 0.19001
}

Semantic roles & 50–950 ramp

primary

#516FE9

secondary

#E7DCAF

accent

#B10CDA

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0D17

muted

#7E7E85

Preview Lab

Preview with #516FE9

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

Preview Lab → · Contrast checker → · Palette generator →