#559CFB#559CFB
#559CFB is a light, vivid cyan. Relative luminance 0.327; OKLCH L 69.0% C 0.158 H 256.4°. Best body text is #000000 at 7.53:1 contrast (WCAG AA passes).
Color values
| HEX | #559CFB |
|---|---|
| RGB | rgb(85, 156, 251) |
| HSL | hsl(214, 95%, 66%) |
| HSV | hsv(214, 66%, 98%) |
| CMYK | cmyk(66.1%, 37.8%, 0%, 1.6%) |
| CIE-LAB | lab(63.89, 7.20, -53.91) |
| CIE-LCH | lch(63.89, 54.39, 277.61°) |
| OKLab | oklab(69.05% -0.0371 -0.1534) |
| OKLCH | oklch(69.05% 0.158 256.4) |
| XYZ | xyz(33.0411, 32.6699, 95.8127) |
| Luminance | 0.3267 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Cornflowerblue
#6495ED
ΔE00 3.61
Dodgerblue
#1E90FF
ΔE00 4.33
Dark Sky Blue
#448EE4
ΔE00 4.98
Azure (survey)
#069AF3
ΔE00 5.93
Soft Blue
#6488EA
ΔE00 7.86
Dodger Blue
#3E82FC
ΔE00 8.09
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#559CFB #FBB455
analogous
#55EFFB #559CFB #6155FB
triadic
#559CFB #FB559C #9CFB55
tetradic
#559CFB #FB55EF #FBB455 #55FB61
square
#559CFB #FB55EF #FBB455 #55FB61
split-complementary
#559CFB #FB6155 #EFFB55
monochromatic
#055CD1 #1979FA #559CFB #91BFFC #CDE2FE
Accessibility & contrast
On white
2.79
#559CFB on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
7.53
#559CFB on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #559CFB
7.53:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##559CFB | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##559CFB | 1.00 | 2.79 | 7.53 | 7.53 |
| #FFFFFF | 2.79 | 1.00 | 21.00 | 21.00 |
| #000000 | 7.53 | 21.00 | 1.00 | 1.00 |
| ##000000 | 7.53 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#71A3FF
Deuteranopia (green-blind)
#5994F9
Tritanopia (blue-blind)
#00B2BF
Achromatopsia (no color)
#9B9B9B
Design tokens & code
CSS
--color: #559cfb; /* rgb */ color: rgb(85, 156, 251); /* oklch */ color: oklch(69.0% 0.158 256.4);
Tailwind
colors: {
custom: {
50: '#95b8fd',
500: '#559cfb',
950: '#000000',
},
}SCSS
$custom: #559cfb; $custom-light: #95b8fd; $custom-dark: #000000;
JSON
{
"hex": "#559cfb",
"rgb": {
"r": 85,
"g": 156,
"b": 251
},
"hsl": {
"h": 214.337,
"s": 95.402,
"l": 65.882
},
"oklch": {
"l": 0.69045,
"c": 0.15782,
"h": 256.4
},
"luminance": 0.32673
}Semantic roles & 50–950 ramp
primary
#559CFB
secondary
#F1DABA
accent
#8300E6
background
#F9FBFF
surface
#F2F6FF
border
#CCD0D7
text
#0F1118
muted
#7E8086