#559CDA#559CDA
#559CDA is a light, moderate cyan. Relative luminance 0.308; OKLCH L 67.3% C 0.117 H 246.9°. Best body text is #000000 at 7.15:1 contrast (WCAG AA passes).
Color values
| HEX | #559CDA |
|---|---|
| RGB | rgb(85, 156, 218) |
| HSL | hsl(208, 64%, 59%) |
| HSV | hsv(208, 61%, 85%) |
| CMYK | cmyk(61%, 28.4%, 0%, 14.5%) |
| CIE-LAB | lab(62.31, -3.73, -38.22) |
| CIE-LCH | lch(62.31, 38.40, 264.43°) |
| OKLab | oklab(67.29% -0.0458 -0.1076) |
| OKLCH | oklch(67.29% 0.117 246.9) |
| XYZ | xyz(28.2850, 30.7675, 70.7642) |
| Luminance | 0.3077 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Azure (survey)
#069AF3
ΔE00 3.66
Dark Sky Blue
#448EE4
ΔE00 4.89
Dodgerblue
#1E90FF
ΔE00 5.06
Cornflowerblue
#6495ED
ΔE00 5.79
Faded Blue
#658CBB
ΔE00 6.98
Water Blue
#0E87CC
ΔE00 8.02
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#559CDA #DA9355
analogous
#55DAD6 #559CDA #555ADA
triadic
#559CDA #DA559C #9CDA55
tetradic
#559CDA #D655DA #DA9355 #5ADA55
square
#559CDA #D655DA #DA9355 #5ADA55
split-complementary
#559CDA #DA555A #DAD655
monochromatic
#205E94 #2B7EC7 #559CDA #87B9E5 #BAD7F0
Accessibility & contrast
On white
2.94
#559CDA on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
7.15
#559CDA on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #559CDA
7.15:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##559CDA | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##559CDA | 1.00 | 2.94 | 7.15 | 7.15 |
| #FFFFFF | 2.94 | 1.00 | 21.00 | 21.00 |
| #000000 | 7.15 | 21.00 | 1.00 | 1.00 |
| ##000000 | 7.15 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#819EDD
Deuteranopia (green-blind)
#6F91D9
Tritanopia (blue-blind)
#00ABB2
Achromatopsia (no color)
#979797
Design tokens & code
CSS
--color: #559cda; /* rgb */ color: rgb(85, 156, 218); /* oklch */ color: oklch(67.3% 0.117 246.9);
Tailwind
colors: {
custom: {
50: '#90b9e5',
500: '#559cda',
950: '#000000',
},
}SCSS
$custom: #559cda; $custom-light: #90b9e5; $custom-dark: #000000;
JSON
{
"hex": "#559cda",
"rgb": {
"r": 85,
"g": 156,
"b": 218
},
"hsl": {
"h": 207.97,
"s": 64.251,
"l": 59.412
},
"oklch": {
"l": 0.67288,
"c": 0.117,
"h": 246.9
},
"luminance": 0.3077
}Semantic roles & 50–950 ramp
primary
#559CDA
secondary
#DFC4AB
accent
#8E41E7
background
#F9FBFE
surface
#F2F6FC
border
#CCD0D5
text
#0E1116
muted
#7E8084