#559FDA#559FDA
#559FDA is a light, moderate cyan. Relative luminance 0.318; OKLCH L 68.0% C 0.115 H 244.7°. Best body text is #000000 at 7.36:1 contrast (WCAG AA passes).
Color values
| HEX | #559FDA |
|---|---|
| RGB | rgb(85, 159, 218) |
| HSL | hsl(207, 64%, 59%) |
| HSV | hsv(207, 61%, 85%) |
| CMYK | cmyk(61%, 27.1%, 0%, 14.5%) |
| CIE-LAB | lab(63.17, -5.42, -36.88) |
| CIE-LCH | lch(63.17, 37.28, 261.64°) |
| OKLab | oklab(67.96% -0.049 -0.1038) |
| OKLCH | oklch(67.96% 0.115 244.7) |
| XYZ | xyz(28.7946, 31.7868, 70.9341) |
| Luminance | 0.3179 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Azure (survey)
#069AF3
ΔE00 3.85
Dark Sky Blue
#448EE4
ΔE00 6.06
Dodgerblue
#1E90FF
ΔE00 6.08
Cornflowerblue
#6495ED
ΔE00 6.77
Faded Blue
#658CBB
ΔE00 7.88
Sky Blue (survey)
#75BBFD
ΔE00 8.43
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#559FDA #DA9055
analogous
#55DAD3 #559FDA #555DDA
triadic
#559FDA #DA559F #9FDA55
tetradic
#559FDA #D355DA #DA9055 #5DDA55
square
#559FDA #D355DA #DA9055 #5DDA55
split-complementary
#559FDA #DA555D #DAD355
monochromatic
#206194 #2B82C7 #559FDA #87BBE5 #BAD8F0
Accessibility & contrast
On white
2.85
#559FDA on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
7.36
#559FDA on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #559FDA
7.36:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##559FDA | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##559FDA | 1.00 | 2.85 | 7.36 | 7.36 |
| #FFFFFF | 2.85 | 1.00 | 21.00 | 21.00 |
| #000000 | 7.36 | 21.00 | 1.00 | 1.00 |
| ##000000 | 7.36 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#85A0DD
Deuteranopia (green-blind)
#7393D9
Tritanopia (blue-blind)
#00ADB3
Achromatopsia (no color)
#999999
Design tokens & code
CSS
--color: #559fda; /* rgb */ color: rgb(85, 159, 218); /* oklch */ color: oklch(68.0% 0.115 244.7);
Tailwind
colors: {
custom: {
50: '#90bbe5',
500: '#559fda',
950: '#000000',
},
}SCSS
$custom: #559fda; $custom-light: #90bbe5; $custom-dark: #000000;
JSON
{
"hex": "#559fda",
"rgb": {
"r": 85,
"g": 159,
"b": 218
},
"hsl": {
"h": 206.617,
"s": 64.251,
"l": 59.412
},
"oklch": {
"l": 0.67963,
"c": 0.11475,
"h": 244.7
},
"luminance": 0.3179
}Semantic roles & 50–950 ramp
primary
#559FDA
secondary
#DFC2AB
accent
#8B41E7
background
#F9FBFE
surface
#F2F6FC
border
#CCD0D5
text
#0E1116
muted
#7E8084