#559FDF#559FDF
#559FDF is a light, vivid cyan. Relative luminance 0.321; OKLCH L 68.2% C 0.121 H 246.8°. Best body text is #000000 at 7.41:1 contrast (WCAG AA passes).
Color values
| HEX | #559FDF |
|---|---|
| RGB | rgb(85, 159, 223) |
| HSL | hsl(208, 68%, 60%) |
| HSV | hsv(208, 62%, 87%) |
| CMYK | cmyk(61.9%, 28.7%, 0%, 12.5%) |
| CIE-LAB | lab(63.39, -3.81, -39.31) |
| CIE-LCH | lch(63.39, 39.49, 264.47°) |
| OKLab | oklab(68.21% -0.0475 -0.1108) |
| OKLCH | oklch(68.21% 0.121 246.8) |
| XYZ | xyz(29.4588, 32.0524, 74.4320) |
| Luminance | 0.3206 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Azure (survey)
#069AF3
ΔE00 3.65
Dodgerblue
#1E90FF
ΔE00 5.56
Dark Sky Blue
#448EE4
ΔE00 5.68
Cornflowerblue
#6495ED
ΔE00 6.22
Faded Blue
#658CBB
ΔE00 7.88
Sky Blue (survey)
#75BBFD
ΔE00 8.20
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#559FDF #DF9555
analogous
#55DFDA #559FDF #555ADF
triadic
#559FDF #DF559F #9FDF55
tetradic
#559FDF #DA55DF #DF9555 #5ADF55
square
#559FDF #DA55DF #DF9555 #5ADF55
split-complementary
#559FDF #DF555A #DFDA55
monochromatic
#1D619C #2782D0 #559FDF #89BCE9 #BCD9F2
Accessibility & contrast
On white
2.83
#559FDF on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
7.41
#559FDF on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #559FDF
7.41:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##559FDF | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##559FDF | 1.00 | 2.83 | 7.41 | 7.41 |
| #FFFFFF | 2.83 | 1.00 | 21.00 | 21.00 |
| #000000 | 7.41 | 21.00 | 1.00 | 1.00 |
| ##000000 | 7.41 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#83A1E2
Deuteranopia (green-blind)
#7093DE
Tritanopia (blue-blind)
#00AEB5
Achromatopsia (no color)
#999999
Design tokens & code
CSS
--color: #559fdf; /* rgb */ color: rgb(85, 159, 223); /* oklch */ color: oklch(68.2% 0.121 246.8);
Tailwind
colors: {
custom: {
50: '#91bbe9',
500: '#559fdf',
950: '#000000',
},
}SCSS
$custom: #559fdf; $custom-light: #91bbe9; $custom-dark: #000000;
JSON
{
"hex": "#559fdf",
"rgb": {
"r": 85,
"g": 159,
"b": 223
},
"hsl": {
"h": 207.826,
"s": 68.317,
"l": 60.392
},
"oklch": {
"l": 0.68208,
"c": 0.12053,
"h": 246.8
},
"luminance": 0.32055
}Semantic roles & 50–950 ramp
primary
#559FDF
secondary
#E2C6AE
accent
#6C15D0
background
#F9FBFE
surface
#F2F6FD
border
#CCD0D5
text
#0E1116
muted
#7E8084