#516CBC#516CBC
#516CBC is a mid, vivid blue. Relative luminance 0.161; OKLCH L 54.9% C 0.129 H 268.0°. Best body text is #FFFFFF at 4.98:1 contrast (WCAG AA passes).
Color values
| HEX | #516CBC |
|---|---|
| RGB | rgb(81, 108, 188) |
| HSL | hsl(225, 44%, 53%) |
| HSV | hsv(225, 57%, 74%) |
| CMYK | cmyk(56.9%, 42.6%, 0%, 26.3%) |
| CIE-LAB | lab(47.11, 14.20, -45.22) |
| CIE-LCH | lch(47.11, 47.39, 287.43°) |
| OKLab | oklab(54.91% -0.0046 -0.1286) |
| OKLCH | oklch(54.91% 0.129 268) |
| XYZ | xyz(17.8300, 16.1039, 49.7360) |
| Luminance | 0.1610 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
French Blue
#436BAD
ΔE00 3.52
Cornflower Blue
#5170D7
ΔE00 3.81
Royal Blue
#4169E1
ΔE00 4.77
Medium Blue
#2C6FBB
ΔE00 6.30
Cadet Blue
#4E7496
ΔE00 6.61
Mid Blue
#276AB3
ΔE00 6.67
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#516CBC #BCA151
analogous
#51A1BC #516CBC #6C51BC
triadic
#516CBC #BC516C #6CBC51
tetradic
#516CBC #BC51A1 #BCA151 #51BC6C
square
#516CBC #BC51A1 #BCA151 #51BC6C
split-complementary
#516CBC #BC6C51 #A1BC51
monochromatic
#29396A #3A5196 #516CBC #7D91CD #A9B7DE
Accessibility & contrast
On white
4.98
#516CBC on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.22
#516CBC on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #516CBC
4.98:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##516CBC | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##516CBC | 1.00 | 4.98 | 4.22 | 4.98 |
| #FFFFFF | 4.98 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.22 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.98 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4975BF
Deuteranopia (green-blind)
#3C6BBA
Tritanopia (blue-blind)
#067E8B
Achromatopsia (no color)
#707070
Design tokens & code
CSS
--color: #516cbc; /* rgb */ color: rgb(81, 108, 188); /* oklch */ color: oklch(54.9% 0.129 268.0);
Tailwind
colors: {
custom: {
50: '#8a95d0',
500: '#516cbc',
950: '#000000',
},
}SCSS
$custom: #516cbc; $custom-light: #8a95d0; $custom-dark: #000000;
JSON
{
"hex": "#516cbc",
"rgb": {
"r": 81,
"g": 108,
"b": 188
},
"hsl": {
"h": 224.86,
"s": 44.398,
"l": 52.745
},
"oklch": {
"l": 0.54907,
"c": 0.12864,
"h": 268
},
"luminance": 0.16105
}Semantic roles & 50–950 ramp
primary
#516CBC
secondary
#CCC09D
accent
#B454D4
background
#F8F9FC
surface
#F0F1F9
border
#CBCBD2
text
#0C0D14
muted
#7D7E82