#45BCE9#45BCE9
#45BCE9 is a light, vivid cyan. Relative luminance 0.431; OKLCH L 74.8% C 0.122 H 227.3°. Best body text is #000000 at 9.62:1 contrast (WCAG AA passes).
Color values
| HEX | #45BCE9 |
|---|---|
| RGB | rgb(69, 188, 233) |
| HSL | hsl(196, 79%, 59%) |
| HSV | hsv(196, 70%, 91%) |
| CMYK | cmyk(70.4%, 19.3%, 0%, 8.6%) |
| CIE-LAB | lab(71.63, -18.86, -32.01) |
| CIE-LCH | lch(71.63, 37.15, 239.50°) |
| OKLab | oklab(74.75% -0.0829 -0.0897) |
| OKLCH | oklch(74.75% 0.122 227.3) |
| XYZ | xyz(35.1395, 43.1108, 83.5443) |
| Luminance | 0.4311 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Deepskyblue
#00BFFF
ΔE00 3.89
Bright Sky Blue
#02CCFE
ΔE00 4.46
Lightblue (survey)
#7BC8F6
ΔE00 5.94
Sky Blue
#87CEEB
ΔE00 7.25
Baby Blue
#89CFF0
ΔE00 7.27
Lightskyblue
#87CEFA
ΔE00 7.50
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#45BCE9 #E97245
analogous
#45E9C4 #45BCE9 #456AE9
triadic
#45BCE9 #E945BC #BCE945
tetradic
#45BCE9 #C445E9 #E97245 #6AE945
square
#45BCE9 #C445E9 #E97245 #6AE945
split-complementary
#45BCE9 #E9456A #E9C445
monochromatic
#137AA1 #19A3D7 #45BCE9 #7CD0EF #B2E3F6
Accessibility & contrast
On white
2.18
#45BCE9 on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
9.62
#45BCE9 on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #45BCE9
9.62:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##45BCE9 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##45BCE9 | 1.00 | 2.18 | 9.62 | 9.62 |
| #FFFFFF | 2.18 | 1.00 | 21.00 | 21.00 |
| #000000 | 9.62 | 21.00 | 1.00 | 1.00 |
| ##000000 | 9.62 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#A4B9EB
Deuteranopia (green-blind)
#8EA8E8
Tritanopia (blue-blind)
#00C9CB
Achromatopsia (no color)
#AFAFAF
Design tokens & code
CSS
--color: #45bce9; /* rgb */ color: rgb(69, 188, 233); /* oklch */ color: oklch(74.8% 0.122 227.3);
Tailwind
colors: {
custom: {
50: '#8cd0f0',
500: '#45bce9',
950: '#000000',
},
}SCSS
$custom: #45bce9; $custom-light: #8cd0f0; $custom-dark: #000000;
JSON
{
"hex": "#45bce9",
"rgb": {
"r": 69,
"g": 188,
"b": 233
},
"hsl": {
"h": 196.463,
"s": 78.846,
"l": 59.216
},
"oklch": {
"l": 0.74752,
"c": 0.12211,
"h": 227.3
},
"luminance": 0.43115
}Semantic roles & 50–950 ramp
primary
#45BCE9
secondary
#E5B6A5
accent
#6832F5
background
#F9FCFE
surface
#F2F9FD
border
#CCD2D5
text
#0E1416
muted
#7E8284