#566CD8#566CD8
#566CD8 is a mid, vivid blue. Relative luminance 0.177; OKLCH L 57.0% C 0.166 H 271.5°. Best body text is #FFFFFF at 4.63:1 contrast (WCAG AA passes).
Color values
| HEX | #566CD8 |
|---|---|
| RGB | rgb(86, 108, 216) |
| HSL | hsl(230, 63%, 59%) |
| HSV | hsv(230, 60%, 85%) |
| CMYK | cmyk(60.2%, 50%, 0%, 15.3%) |
| CIE-LAB | lab(49.08, 24.56, -58.09) |
| CIE-LCH | lch(49.08, 63.07, 292.92°) |
| OKLab | oklab(57.03% 0.0044 -0.1663) |
| OKLCH | oklch(57.03% 0.166 271.5) |
| XYZ | xyz(21.5909, 17.6597, 67.2233) |
| Luminance | 0.1766 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cornflower Blue
#5170D7
ΔE00 1.88
Royal Blue
#4169E1
ΔE00 2.72
Bright Blue
#0165FC
ΔE00 5.83
Dark Periwinkle
#665FD1
ΔE00 5.83
Cerulean Blue
#056EEE
ΔE00 6.26
Azul
#1D5DEC
ΔE00 6.30
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#566CD8 #D8C256
analogous
#56ADD8 #566CD8 #8156D8
triadic
#566CD8 #D8566C #6CD856
tetradic
#566CD8 #D856AD #D8C256 #56D881
square
#566CD8 #D856AD #D8C256 #56D881
split-complementary
#566CD8 #D88156 #ADD856
monochromatic
#223592 #2D47C4 #566CD8 #8897E3 #B9C3EF
Accessibility & contrast
On white
4.63
#566CD8 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.53
#566CD8 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#FFFFFF on #566CD8
4.63:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##566CD8 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##566CD8 | 1.00 | 4.63 | 4.53 | 4.63 |
| #FFFFFF | 4.63 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.53 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.63 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#327BDC
Deuteranopia (green-blind)
#136FD6
Tritanopia (blue-blind)
#008598
Achromatopsia (no color)
#757575
Design tokens & code
CSS
--color: #566cd8; /* rgb */ color: rgb(86, 108, 216); /* oklch */ color: oklch(57.0% 0.166 271.5);
Tailwind
colors: {
custom: {
50: '#9195e5',
500: '#566cd8',
950: '#000000',
},
}SCSS
$custom: #566cd8; $custom-light: #9195e5; $custom-dark: #000000;
JSON
{
"hex": "#566cd8",
"rgb": {
"r": 86,
"g": 108,
"b": 216
},
"hsl": {
"h": 229.846,
"s": 62.5,
"l": 59.216
},
"oklch": {
"l": 0.57028,
"c": 0.16634,
"h": 271.5
},
"luminance": 0.17661
}Semantic roles & 50–950 ramp
primary
#566CD8
secondary
#DED6AB
accent
#CA42E6
background
#F9F9FE
surface
#F2F1FC
border
#CCCBD5
text
#0E0D16
muted
#7E7E84