#5BBEE9#5BBEE9
#5BBEE9 is a light, moderate cyan. Relative luminance 0.449; OKLCH L 75.9% C 0.111 H 229.2°. Best body text is #000000 at 9.99:1 contrast (WCAG AA passes).
Color values
| HEX | #5BBEE9 |
|---|---|
| RGB | rgb(91, 190, 233) |
| HSL | hsl(198, 76%, 64%) |
| HSV | hsv(198, 61%, 91%) |
| CMYK | cmyk(60.9%, 18.5%, 0%, 8.6%) |
| CIE-LAB | lab(72.85, -16.47, -30.08) |
| CIE-LCH | lch(72.85, 34.29, 241.31°) |
| OKLab | oklab(75.9% -0.0725 -0.084) |
| OKLCH | oklch(75.9% 0.111 229.2) |
| XYZ | xyz(37.4301, 44.9305, 83.7749) |
| Luminance | 0.4493 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Deepskyblue
#00BFFF
ΔE00 4.29
Lightblue (survey)
#7BC8F6
ΔE00 4.44
Bright Sky Blue
#02CCFE
ΔE00 4.88
Baby Blue
#89CFF0
ΔE00 5.87
Sky Blue
#87CEEB
ΔE00 5.99
Lightskyblue
#87CEFA
ΔE00 6.00
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#5BBEE9 #E9865B
analogous
#5BE9CD #5BBEE9 #5B77E9
triadic
#5BBEE9 #E95BBE #BEE95B
tetradic
#5BBEE9 #CD5BE9 #E9865B #77E95B
square
#5BBEE9 #CD5BE9 #E9865B #77E95B
split-complementary
#5BBEE9 #E95B77 #E9CD5B
monochromatic
#1883B2 #25A9E2 #5BBEE9 #91D3F0 #C7E9F7
Accessibility & contrast
On white
2.10
#5BBEE9 on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
9.99
#5BBEE9 on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #5BBEE9
9.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##5BBEE9 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##5BBEE9 | 1.00 | 2.10 | 9.99 | 9.99 |
| #FFFFFF | 2.10 | 1.00 | 21.00 | 21.00 |
| #000000 | 9.99 | 21.00 | 1.00 | 1.00 |
| ##000000 | 9.99 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#A8BBEB
Deuteranopia (green-blind)
#94ACE8
Tritanopia (blue-blind)
#00CACC
Achromatopsia (no color)
#B3B3B3
Design tokens & code
CSS
--color: #5bbee9; /* rgb */ color: rgb(91, 190, 233); /* oklch */ color: oklch(75.9% 0.111 229.2);
Tailwind
colors: {
custom: {
50: '#96d1f0',
500: '#5bbee9',
950: '#000000',
},
}SCSS
$custom: #5bbee9; $custom-light: #96d1f0; $custom-dark: #000000;
JSON
{
"hex": "#5bbee9",
"rgb": {
"r": 91,
"g": 190,
"b": 233
},
"hsl": {
"h": 198.169,
"s": 76.344,
"l": 63.529
},
"oklch": {
"l": 0.75903,
"c": 0.11095,
"h": 229.2
},
"luminance": 0.44934
}Semantic roles & 50–950 ramp
primary
#5BBEE9
secondary
#E9C6B7
accent
#4B0DD9
background
#F9FCFE
surface
#F2F9FD
border
#CCD2D5
text
#0E1416
muted
#7E8284