#559DEA#559DEA
#559DEA is a light, vivid cyan. Relative luminance 0.320; OKLCH L 68.3% C 0.136 H 251.8°. Best body text is #000000 at 7.40:1 contrast (WCAG AA passes).
Color values
| HEX | #559DEA |
|---|---|
| RGB | rgb(85, 157, 234) |
| HSL | hsl(211, 78%, 63%) |
| HSV | hsv(211, 64%, 92%) |
| CMYK | cmyk(63.7%, 32.9%, 0%, 8.2%) |
| CIE-LAB | lab(63.33, 0.94, -45.47) |
| CIE-LCH | lch(63.33, 45.48, 271.18°) |
| OKLab | oklab(68.33% -0.0423 -0.1287) |
| OKLCH | oklch(68.33% 0.136 251.8) |
| XYZ | xyz(30.6491, 31.9827, 82.3840) |
| Luminance | 0.3199 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Azure (survey)
#069AF3
ΔE00 4.24
Dodgerblue
#1E90FF
ΔE00 4.37
Cornflowerblue
#6495ED
ΔE00 4.65
Dark Sky Blue
#448EE4
ΔE00 4.70
Faded Blue
#658CBB
ΔE00 7.60
Sky Blue (survey)
#75BBFD
ΔE00 8.49
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#559DEA #EAA255
analogous
#55E7EA #559DEA #5855EA
triadic
#559DEA #EA559D #9DEA55
tetradic
#559DEA #EA55E7 #EAA255 #55EA58
square
#559DEA #EA55E7 #EAA255 #55EA58
split-complementary
#559DEA #EA5855 #E7EA55
monochromatic
#1660AF #1F7EE3 #559DEA #8BBCF1 #C2DCF7
Accessibility & contrast
On white
2.84
#559DEA on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
7.40
#559DEA on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #559DEA
7.40:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##559DEA | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##559DEA | 1.00 | 2.84 | 7.40 | 7.40 |
| #FFFFFF | 2.84 | 1.00 | 21.00 | 21.00 |
| #000000 | 7.40 | 21.00 | 1.00 | 1.00 |
| ##000000 | 7.40 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#7CA1ED
Deuteranopia (green-blind)
#6793E8
Tritanopia (blue-blind)
#00AFB9
Achromatopsia (no color)
#999999
Design tokens & code
CSS
--color: #559dea; /* rgb */ color: rgb(85, 157, 234); /* oklch */ color: oklch(68.3% 0.136 251.8);
Tailwind
colors: {
custom: {
50: '#92b9f1',
500: '#559dea',
950: '#000000',
},
}SCSS
$custom: #559dea; $custom-light: #92b9f1; $custom-dark: #000000;
JSON
{
"hex": "#559dea",
"rgb": {
"r": 85,
"g": 157,
"b": 234
},
"hsl": {
"h": 211.007,
"s": 78.01,
"l": 62.549
},
"oklch": {
"l": 0.68329,
"c": 0.1355,
"h": 251.8
},
"luminance": 0.31986
}Semantic roles & 50–950 ramp
primary
#559DEA
secondary
#E8CEB2
accent
#760BDA
background
#F9FBFE
surface
#F2F6FD
border
#CCD0D5
text
#0E1117
muted
#7E8085