#566BE5#566BE5
#566BE5 is a mid, vivid blue. Relative luminance 0.182; OKLCH L 57.7% C 0.185 H 272.0°. Best body text is #000000 at 4.63:1 contrast (WCAG AA passes).
Color values
| HEX | #566BE5 |
|---|---|
| RGB | rgb(86, 107, 229) |
| HSL | hsl(231, 73%, 62%) |
| HSV | hsv(231, 62%, 90%) |
| CMYK | cmyk(62.4%, 53.3%, 0%, 10.2%) |
| CIE-LAB | lab(49.68, 29.54, -64.48) |
| CIE-LCH | lch(49.68, 70.93, 294.61°) |
| OKLab | oklab(57.75% 0.0064 -0.1851) |
| OKLCH | oklch(57.75% 0.185 272) |
| XYZ | xyz(23.2336, 18.1490, 76.3923) |
| Luminance | 0.1815 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Royal Blue
#4169E1
ΔE00 2.95
Cornflower Blue
#5170D7
ΔE00 2.96
Bright Blue
#0165FC
ΔE00 5.20
Cornflower
#6A79F7
ΔE00 5.76
Dark Periwinkle
#665FD1
ΔE00 5.84
Azul
#1D5DEC
ΔE00 6.05
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#566BE5 #E5D056
analogous
#56B3E5 #566BE5 #8956E5
triadic
#566BE5 #E5566B #6BE556
tetradic
#566BE5 #E556B3 #E5D056 #56E589
square
#566BE5 #E556B3 #E5D056 #56E589
split-complementary
#566BE5 #E58956 #B3E556
monochromatic
#1A2EA7 #223DDC #566BE5 #8B99ED #C0C8F5
Accessibility & contrast
On white
4.54
#566BE5 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.63
#566BE5 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #566BE5
4.63:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##566BE5 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##566BE5 | 1.00 | 4.54 | 4.63 | 4.63 |
| #FFFFFF | 4.54 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.63 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.63 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#177DE9
Deuteranopia (green-blind)
#0070E3
Tritanopia (blue-blind)
#00889E
Achromatopsia (no color)
#767676
Design tokens & code
CSS
--color: #566be5; /* rgb */ color: rgb(86, 107, 229); /* oklch */ color: oklch(57.7% 0.185 272.0);
Tailwind
colors: {
custom: {
50: '#9395ee',
500: '#566be5',
950: '#000000',
},
}SCSS
$custom: #566be5; $custom-light: #9395ee; $custom-dark: #000000;
JSON
{
"hex": "#566be5",
"rgb": {
"r": 86,
"g": 107,
"b": 229
},
"hsl": {
"h": 231.189,
"s": 73.333,
"l": 61.765
},
"oklch": {
"l": 0.57748,
"c": 0.1852,
"h": 272
},
"luminance": 0.18151
}Semantic roles & 50–950 ramp
primary
#566BE5
secondary
#E6DEB1
accent
#B810D5
background
#F9F9FE
surface
#F2F1FD
border
#CCCBD5
text
#0E0D16
muted
#7E7E84