#516CDE#516CDE
#516CDE is a mid, vivid blue. Relative luminance 0.177; OKLCH L 57.2% C 0.176 H 270.0°. Best body text is #FFFFFF at 4.62:1 contrast (WCAG AA passes).
Color values
| HEX | #516CDE |
|---|---|
| RGB | rgb(81, 108, 222) |
| HSL | hsl(229, 68%, 59%) |
| HSV | hsv(229, 64%, 87%) |
| CMYK | cmyk(63.5%, 51.4%, 0%, 12.9%) |
| CIE-LAB | lab(49.19, 25.72, -61.34) |
| CIE-LCH | lch(49.19, 66.51, 292.75°) |
| OKLab | oklab(57.16% 0 -0.1759) |
| OKLCH | oklch(57.16% 0.176 270) |
| XYZ | xyz(21.9363, 17.7464, 71.3625) |
| Luminance | 0.1775 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cornflower Blue
#5170D7
ΔE00 1.74
Royal Blue
#4169E1
ΔE00 2.01
Bright Blue
#0165FC
ΔE00 4.96
Cerulean Blue
#056EEE
ΔE00 5.45
Azul
#1D5DEC
ΔE00 5.80
Dark Periwinkle
#665FD1
ΔE00 6.41
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#516CDE #DEC351
analogous
#51B2DE #516CDE #7D51DE
triadic
#516CDE #DE516C #6CDE51
tetradic
#516CDE #DE51B2 #DEC351 #51DE7D
square
#516CDE #DE51B2 #DEC351 #51DE7D
split-complementary
#516CDE #DE7D51 #B2DE51
monochromatic
#1D3498 #2746CB #516CDE #8497E8 #B8C3F2
Accessibility & contrast
On white
4.62
#516CDE on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.55
#516CDE on #000000
AA ✓AA large ✓AAA ✗
Best text color
#FFFFFF on #516CDE
4.62:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##516CDE | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##516CDE | 1.00 | 4.62 | 4.55 | 4.62 |
| #FFFFFF | 4.62 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.55 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.62 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#277BE2
Deuteranopia (green-blind)
#006FDC
Tritanopia (blue-blind)
#00879B
Achromatopsia (no color)
#757575
Design tokens & code
CSS
--color: #516cde; /* rgb */ color: rgb(81, 108, 222); /* oklch */ color: oklch(57.2% 0.176 270.0);
Tailwind
colors: {
custom: {
50: '#8f95e9',
500: '#516cde',
950: '#000000',
},
}SCSS
$custom: #516cde; $custom-light: #8f95e9; $custom-dark: #000000;
JSON
{
"hex": "#516cde",
"rgb": {
"r": 81,
"g": 108,
"b": 222
},
"hsl": {
"h": 228.511,
"s": 68.116,
"l": 59.412
},
"oklch": {
"l": 0.57157,
"c": 0.17593,
"h": 270
},
"luminance": 0.17748
}Semantic roles & 50–950 ramp
primary
#516CDE
secondary
#E1D6AA
accent
#CA3DEB
background
#F9F9FE
surface
#F2F1FD
border
#CCCBD5
text
#0E0D16
muted
#7E7E84