#5663CD#5663CD
#5663CD is a mid, vivid blue. Relative luminance 0.153; OKLCH L 54.5% C 0.163 H 274.4°. Best body text is #FFFFFF at 5.17:1 contrast (WCAG AA passes).
Color values
| HEX | #5663CD |
|---|---|
| RGB | rgb(86, 99, 205) |
| HSL | hsl(233, 54%, 57%) |
| HSV | hsv(233, 58%, 80%) |
| CMYK | cmyk(58%, 51.7%, 0%, 19.6%) |
| CIE-LAB | lab(46.05, 26.49, -56.69) |
| CIE-LCH | lch(46.05, 62.57, 295.05°) |
| OKLab | oklab(54.52% 0.0125 -0.1623) |
| OKLCH | oklch(54.52% 0.163 274.4) |
| XYZ | xyz(19.3154, 15.3084, 59.6827) |
| Luminance | 0.1531 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Dark Periwinkle
#665FD1
ΔE00 3.52
Warm Blue
#4B57DB
ΔE00 4.22
Royal Blue
#4169E1
ΔE00 4.43
Iris
#6258C4
ΔE00 4.84
Cornflower Blue
#5170D7
ΔE00 5.06
Slate Blue
#6A5ACD
ΔE00 5.16
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#5663CD #CDC056
analogous
#569FCD #5663CD #8456CD
triadic
#5663CD #CD5663 #63CD56
tetradic
#5663CD #CD569F #CDC056 #56CD84
square
#5663CD #CD569F #CDC056 #56CD84
split-complementary
#5663CD #CD8456 #9FCD56
monochromatic
#263182 #3442B1 #5663CD #858FDB #B4BAE9
Accessibility & contrast
On white
5.17
#5663CD on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.06
#5663CD on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #5663CD
5.17:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##5663CD | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##5663CD | 1.00 | 5.17 | 4.06 | 5.17 |
| #FFFFFF | 5.17 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.06 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.17 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#2772D1
Deuteranopia (green-blind)
#0868CB
Tritanopia (blue-blind)
#007B8E
Achromatopsia (no color)
#6D6D6D
Design tokens & code
CSS
--color: #5663cd; /* rgb */ color: rgb(86, 99, 205); /* oklch */ color: oklch(54.5% 0.163 274.4);
Tailwind
colors: {
custom: {
50: '#908fdd',
500: '#5663cd',
950: '#000000',
},
}SCSS
$custom: #5663cd; $custom-light: #908fdd; $custom-dark: #000000;
JSON
{
"hex": "#5663cd",
"rgb": {
"r": 86,
"g": 99,
"b": 205
},
"hsl": {
"h": 233.445,
"s": 54.338,
"l": 57.059
},
"oklch": {
"l": 0.54516,
"c": 0.16274,
"h": 274.4
},
"luminance": 0.1531
}Semantic roles & 50–950 ramp
primary
#5663CD
secondary
#D8D2A7
accent
#CE4ADE
background
#F9F8FD
surface
#F2F0FB
border
#CCCBD4
text
#0D0C15
muted
#7E7D83