#56B5EF#56B5EF
#56B5EF is a light, vivid cyan. Relative luminance 0.413; OKLCH L 74.0% C 0.123 H 238.4°. Best body text is #000000 at 9.25:1 contrast (WCAG AA passes).
Color values
| HEX | #56B5EF |
|---|---|
| RGB | rgb(86, 181, 239) |
| HSL | hsl(203, 83%, 64%) |
| HSV | hsv(203, 64%, 94%) |
| CMYK | cmyk(64%, 24.3%, 0%, 6.3%) |
| CIE-LAB | lab(70.35, -10.67, -37.21) |
| CIE-LCH | lch(70.35, 38.71, 254.00°) |
| OKLab | oklab(73.95% -0.0644 -0.1045) |
| OKLCH | oklch(73.95% 0.123 238.4) |
| XYZ | xyz(35.9356, 41.2545, 87.7137) |
| Luminance | 0.4126 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Deepskyblue
#00BFFF
ΔE00 4.60
Sky Blue (survey)
#75BBFD
ΔE00 4.98
Lightblue (survey)
#7BC8F6
ΔE00 5.75
Sky
#82CAFC
ΔE00 6.35
Lightskyblue
#87CEFA
ΔE00 7.46
Bright Sky Blue
#02CCFE
ΔE00 8.69
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#56B5EF #EF9056
analogous
#56EFDC #56B5EF #5668EF
triadic
#56B5EF #EF56B5 #B5EF56
tetradic
#56B5EF #DC56EF #EF9056 #68EF56
square
#56B5EF #DC56EF #EF9056 #68EF56
split-complementary
#56B5EF #EF5668 #EFDC56
monochromatic
#127AB9 #1E9DEA #56B5EF #8ECDF4 #C6E6FA
Accessibility & contrast
On white
2.27
#56B5EF on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
9.25
#56B5EF on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #56B5EF
9.25:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##56B5EF | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##56B5EF | 1.00 | 2.27 | 9.25 | 9.25 |
| #FFFFFF | 2.27 | 1.00 | 21.00 | 21.00 |
| #000000 | 9.25 | 21.00 | 1.00 | 1.00 |
| ##000000 | 9.25 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#9AB5F2
Deuteranopia (green-blind)
#85A5EE
Tritanopia (blue-blind)
#00C4C9
Achromatopsia (no color)
#ACACAC
Design tokens & code
CSS
--color: #56b5ef; /* rgb */ color: rgb(86, 181, 239); /* oklch */ color: oklch(74.0% 0.123 238.4);
Tailwind
colors: {
custom: {
50: '#94cbf4',
500: '#56b5ef',
950: '#000000',
},
}SCSS
$custom: #56b5ef; $custom-light: #94cbf4; $custom-dark: #000000;
JSON
{
"hex": "#56b5ef",
"rgb": {
"r": 86,
"g": 181,
"b": 239
},
"hsl": {
"h": 202.745,
"s": 82.703,
"l": 63.725
},
"oklch": {
"l": 0.73953,
"c": 0.12277,
"h": 238.4
},
"luminance": 0.41258
}Semantic roles & 50–950 ramp
primary
#56B5EF
secondary
#EBCAB5
accent
#5906DF
background
#F9FCFE
surface
#F2F8FD
border
#CCD1D5
text
#0E1317
muted
#7E8285