#516DCD#516DCD
#516DCD is a mid, vivid blue. Relative luminance 0.171; OKLCH L 56.2% C 0.151 H 268.9°. Best body text is #FFFFFF at 4.75:1 contrast (WCAG AA passes).
Color values
| HEX | #516DCD |
|---|---|
| RGB | rgb(81, 109, 205) |
| HSL | hsl(226, 55%, 56%) |
| HSV | hsv(226, 60%, 80%) |
| CMYK | cmyk(60.5%, 46.8%, 0%, 19.6%) |
| CIE-LAB | lab(48.38, 19.30, -52.97) |
| CIE-LCH | lch(48.38, 56.38, 290.02°) |
| OKLab | oklab(56.2% -0.0029 -0.1513) |
| OKLCH | oklch(56.2% 0.151 268.9) |
| XYZ | xyz(19.8777, 17.0927, 59.9975) |
| Luminance | 0.1709 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cornflower Blue
#5170D7
ΔE00 1.68
Royal Blue
#4169E1
ΔE00 2.94
French Blue
#436BAD
ΔE00 5.16
Cerulean Blue
#056EEE
ΔE00 5.75
Bright Blue
#0165FC
ΔE00 6.23
Azul
#1D5DEC
ΔE00 6.58
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#516DCD #CDB151
analogous
#51ABCD #516DCD #7351CD
triadic
#516DCD #CD516D #6DCD51
tetradic
#516DCD #CD51AB #CDB151 #51CD73
square
#516DCD #CD51AB #CDB151 #51CD73
split-complementary
#516DCD #CD7351 #ABCD51
monochromatic
#25397F #324EAF #516DCD #8195DB #B0BDE8
Accessibility & contrast
On white
4.75
#516DCD on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.42
#516DCD on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #516DCD
4.75:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##516DCD | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##516DCD | 1.00 | 4.75 | 4.42 | 4.75 |
| #FFFFFF | 4.75 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.42 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.75 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#3E79D1
Deuteranopia (green-blind)
#2A6ECB
Tritanopia (blue-blind)
#008393
Achromatopsia (no color)
#737373
Design tokens & code
CSS
--color: #516dcd; /* rgb */ color: rgb(81, 109, 205); /* oklch */ color: oklch(56.2% 0.151 268.9);
Tailwind
colors: {
custom: {
50: '#8c96dd',
500: '#516dcd',
950: '#000000',
},
}SCSS
$custom: #516dcd; $custom-light: #8c96dd; $custom-dark: #000000;
JSON
{
"hex": "#516dcd",
"rgb": {
"r": 81,
"g": 109,
"b": 205
},
"hsl": {
"h": 226.452,
"s": 55.357,
"l": 56.078
},
"oklch": {
"l": 0.56198,
"c": 0.15135,
"h": 268.9
},
"luminance": 0.17094
}Semantic roles & 50–950 ramp
primary
#516DCD
secondary
#D7CBA3
accent
#BD49DF
background
#F9F9FD
surface
#F1F1FB
border
#CBCBD4
text
#0D0D15
muted
#7E7E83