#5566DA#5566DA
#5566DA is a mid, vivid blue. Relative luminance 0.165; OKLCH L 56.0% C 0.177 H 273.0°. Best body text is #FFFFFF at 4.88:1 contrast (WCAG AA passes).
Color values
| HEX | #5566DA |
|---|---|
| RGB | rgb(85, 102, 218) |
| HSL | hsl(232, 64%, 59%) |
| HSV | hsv(232, 61%, 85%) |
| CMYK | cmyk(61%, 53.2%, 0%, 14.5%) |
| CIE-LAB | lab(47.62, 28.77, -61.59) |
| CIE-LCH | lch(47.62, 67.98, 295.04°) |
| OKLab | oklab(55.95% 0.0094 -0.1767) |
| OKLCH | oklch(55.95% 0.177 273) |
| XYZ | xyz(21.1484, 16.4943, 68.3853) |
| Luminance | 0.1650 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Royal Blue
#4169E1
ΔE00 3.09
Cornflower Blue
#5170D7
ΔE00 3.84
Dark Periwinkle
#665FD1
ΔE00 4.23
Warm Blue
#4B57DB
ΔE00 4.79
Azul
#1D5DEC
ΔE00 5.17
Bright Blue
#0165FC
ΔE00 5.66
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#5566DA #DAC955
analogous
#55A9DA #5566DA #8755DA
triadic
#5566DA #DA5566 #66DA55
tetradic
#5566DA #DA55A9 #DAC955 #55DA87
square
#5566DA #DA55A9 #DAC955 #55DA87
split-complementary
#5566DA #DA8755 #A9DA55
monochromatic
#202F94 #2B3FC7 #5566DA #8793E5 #BAC0F0
Accessibility & contrast
On white
4.88
#5566DA on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.30
#5566DA on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #5566DA
4.88:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##5566DA | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##5566DA | 1.00 | 4.88 | 4.30 | 4.88 |
| #FFFFFF | 4.88 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.30 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.88 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#1A77DE
Deuteranopia (green-blind)
#006BD8
Tritanopia (blue-blind)
#008196
Achromatopsia (no color)
#717171
Design tokens & code
CSS
--color: #5566da; /* rgb */ color: rgb(85, 102, 218); /* oklch */ color: oklch(56.0% 0.177 273.0);
Tailwind
colors: {
custom: {
50: '#9191e6',
500: '#5566da',
950: '#000000',
},
}SCSS
$custom: #5566da; $custom-light: #9191e6; $custom-dark: #000000;
JSON
{
"hex": "#5566da",
"rgb": {
"r": 85,
"g": 102,
"b": 218
},
"hsl": {
"h": 232.331,
"s": 64.251,
"l": 59.412
},
"oklch": {
"l": 0.5595,
"c": 0.17692,
"h": 273
},
"luminance": 0.16496
}Semantic roles & 50–950 ramp
primary
#5566DA
secondary
#DFD9AB
accent
#D241E7
background
#F9F8FE
surface
#F2F0FC
border
#CCCBD5
text
#0E0C16
muted
#7E7D84