#516DBE#516DBE
#516DBE is a mid, vivid blue. Relative luminance 0.164; OKLCH L 55.2% C 0.130 H 267.7°. Best body text is #FFFFFF at 4.91:1 contrast (WCAG AA passes).
Color values
| HEX | #516DBE |
|---|---|
| RGB | rgb(81, 109, 190) |
| HSL | hsl(225, 46%, 53%) |
| HSV | hsv(225, 57%, 75%) |
| CMYK | cmyk(57.4%, 42.6%, 0%, 25.5%) |
| CIE-LAB | lab(47.50, 14.24, -45.76) |
| CIE-LCH | lch(47.50, 47.92, 287.29°) |
| OKLab | oklab(55.24% -0.0053 -0.1301) |
| OKLCH | oklch(55.24% 0.13 267.7) |
| XYZ | xyz(18.1531, 16.4029, 50.9147) |
| Luminance | 0.1640 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cornflower Blue
#5170D7
ΔE00 3.44
French Blue
#436BAD
ΔE00 3.63
Royal Blue
#4169E1
ΔE00 4.56
Medium Blue
#2C6FBB
ΔE00 6.17
Cadet Blue
#4E7496
ΔE00 6.55
Dull Blue
#49759C
ΔE00 6.66
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#516DBE #BEA251
analogous
#51A3BE #516DBE #6B51BE
triadic
#516DBE #BE516D #6DBE51
tetradic
#516DBE #BE51A3 #BEA251 #51BE6B
square
#516DBE #BE51A3 #BEA251 #51BE6B
split-complementary
#516DBE #BE6B51 #A3BE51
monochromatic
#283A6C #395299 #516DBE #7E92CF #AAB8DF
Accessibility & contrast
On white
4.91
#516DBE on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.28
#516DBE on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #516DBE
4.91:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##516DBE | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##516DBE | 1.00 | 4.91 | 4.28 | 4.91 |
| #FFFFFF | 4.91 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.28 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.91 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4A76C1
Deuteranopia (green-blind)
#3B6CBC
Tritanopia (blue-blind)
#007F8C
Achromatopsia (no color)
#717171
Design tokens & code
CSS
--color: #516dbe; /* rgb */ color: rgb(81, 109, 190); /* oklch */ color: oklch(55.2% 0.130 267.7);
Tailwind
colors: {
custom: {
50: '#8a96d2',
500: '#516dbe',
950: '#000000',
},
}SCSS
$custom: #516dbe; $custom-light: #8a96d2; $custom-dark: #000000;
JSON
{
"hex": "#516dbe",
"rgb": {
"r": 81,
"g": 109,
"b": 190
},
"hsl": {
"h": 224.587,
"s": 45.607,
"l": 53.137
},
"oklch": {
"l": 0.55242,
"c": 0.13024,
"h": 267.7
},
"luminance": 0.16404
}Semantic roles & 50–950 ramp
primary
#516DBE
secondary
#CDC19E
accent
#B453D5
background
#F8F9FC
surface
#F0F1F9
border
#CBCBD2
text
#0C0D14
muted
#7D7E82