#559EB4#559EB4
#559EB4 is a light, moderate cyan. Relative luminance 0.297; OKLCH L 66.0% C 0.080 H 219.7°. Best body text is #000000 at 6.94:1 contrast (WCAG AA passes).
Color values
| HEX | #559EB4 |
|---|---|
| RGB | rgb(85, 158, 180) |
| HSL | hsl(194, 39%, 52%) |
| HSV | hsv(194, 53%, 71%) |
| CMYK | cmyk(52.8%, 12.2%, 0%, 29.4%) |
| CIE-LAB | lab(61.38, -16.57, -18.41) |
| CIE-LCH | lch(61.38, 24.77, 228.00°) |
| OKLab | oklab(66.05% -0.0613 -0.051) |
| OKLCH | oklch(66.05% 0.08 219.7) |
| XYZ | xyz(24.2082, 29.6782, 47.6239) |
| Luminance | 0.2968 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Greyblue
#77A1B5
ΔE00 5.63
Cadetblue
#5F9EA0
ΔE00 7.79
Turquoise Blue
#06B1C4
ΔE00 7.96
Bluegrey
#85A3B2
ΔE00 8.37
Teal Blue
#01889F
ΔE00 9.23
Dirty Blue
#3F829D
ΔE00 9.90
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#559EB4 #B46B55
analogous
#55B49B #559EB4 #556EB4
triadic
#559EB4 #B4559E #9EB455
tetradic
#559EB4 #9B55B4 #B46B55 #6EB455
square
#559EB4 #9B55B4 #B46B55 #6EB455
split-complementary
#559EB4 #B4556E #B49B55
monochromatic
#2C5663 #3E7B8D #559EB4 #7FB6C7 #AACED9
Accessibility & contrast
On white
3.03
#559EB4 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.94
#559EB4 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #559EB4
6.94:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##559EB4 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##559EB4 | 1.00 | 3.03 | 6.94 | 6.94 |
| #FFFFFF | 3.03 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.94 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.94 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#909AB5
Deuteranopia (green-blind)
#8290B4
Tritanopia (blue-blind)
#12A5A5
Achromatopsia (no color)
#949494
Design tokens & code
CSS
--color: #559eb4; /* rgb */ color: rgb(85, 158, 180); /* oklch */ color: oklch(66.0% 0.080 219.7);
Tailwind
colors: {
custom: {
50: '#8cbaca',
500: '#559eb4',
950: '#000000',
},
}SCSS
$custom: #559eb4; $custom-light: #8cbaca; $custom-dark: #000000;
JSON
{
"hex": "#559eb4",
"rgb": {
"r": 85,
"g": 158,
"b": 180
},
"hsl": {
"h": 193.895,
"s": 38.776,
"l": 51.961
},
"oklch": {
"l": 0.66045,
"c": 0.07975,
"h": 219.7
},
"luminance": 0.2968
}Semantic roles & 50–950 ramp
primary
#559EB4
secondary
#C7A79E
accent
#7459CF
background
#F8FBFC
surface
#F0F6F8
border
#CBD0D1
text
#0D1113
muted
#7D8082