#516FFF#516FFF
#516FFF is a mid, highly saturated blue. Relative luminance 0.203; OKLCH L 60.2% C 0.216 H 269.8°. Best body text is #000000 at 5.07:1 contrast (WCAG AA passes).
Color values
| HEX | #516FFF |
|---|---|
| RGB | rgb(81, 111, 255) |
| HSL | hsl(230, 100%, 66%) |
| HSV | hsv(230, 68%, 100%) |
| CMYK | cmyk(68.2%, 56.5%, 0%, 0%) |
| CIE-LAB | lab(52.21, 35.15, -74.89) |
| CIE-LCH | lch(52.21, 82.73, 295.14°) |
| OKLab | oklab(60.15% -0.0008 -0.2158) |
| OKLCH | oklch(60.15% 0.216 269.8) |
| XYZ | xyz(27.1216, 20.3355, 97.0842) |
| Luminance | 0.2034 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cornflower
#6A79F7
ΔE00 4.01
Lightish Blue
#3D7AFD
ΔE00 4.85
Cornflower Blue
#5170D7
ΔE00 5.08
Royal Blue
#4169E1
ΔE00 5.15
Bright Blue
#0165FC
ΔE00 5.55
Clear Blue
#247AFD
ΔE00 6.31
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#516FFF #FFE151
analogous
#51C6FF #516FFF #8A51FF
triadic
#516FFF #FF516F #6FFF51
tetradic
#516FFF #FF51C6 #FFE151 #51FF8A
square
#516FFF #FF51C6 #FFE151 #51FF8A
split-complementary
#516FFF #FF8A51 #C6FF51
monochromatic
#0025D6 #143CFF #516FFF #8EA2FF #CBD4FF
Accessibility & contrast
On white
4.14
#516FFF on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.07
#516FFF on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #516FFF
5.07:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##516FFF | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##516FFF | 1.00 | 4.14 | 5.07 | 5.07 |
| #FFFFFF | 4.14 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.07 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.07 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0085FF
Deuteranopia (green-blind)
#0075FC
Tritanopia (blue-blind)
#0092AC
Achromatopsia (no color)
#7D7D7D
Design tokens & code
CSS
--color: #516fff; /* rgb */ color: rgb(81, 111, 255); /* oklch */ color: oklch(60.2% 0.216 269.8);
Tailwind
colors: {
custom: {
50: '#9598ff',
500: '#516fff',
950: '#000000',
},
}SCSS
$custom: #516fff; $custom-light: #9598ff; $custom-dark: #000000;
JSON
{
"hex": "#516fff",
"rgb": {
"r": 81,
"g": 111,
"b": 255
},
"hsl": {
"h": 229.655,
"s": 100,
"l": 65.882
},
"oklch": {
"l": 0.60152,
"c": 0.21576,
"h": 269.8
},
"luminance": 0.20338
}Semantic roles & 50–950 ramp
primary
#516FFF
secondary
#F3E9B9
accent
#BE00E6
background
#FAF9FF
surface
#F3F2FF
border
#CDCCD7
text
#0F0D18
muted
#7F7E86