#45B5CC#45B5CC
#45B5CC is a light, moderate cyan. Relative luminance 0.387; OKLCH L 71.9% C 0.105 H 213.9°. Best body text is #000000 at 8.73:1 contrast (WCAG AA passes).
Color values
| HEX | #45B5CC |
|---|---|
| RGB | rgb(69, 181, 204) |
| HSL | hsl(190, 57%, 54%) |
| HSV | hsv(190, 66%, 80%) |
| CMYK | cmyk(66.2%, 11.3%, 0%, 20%) |
| CIE-LAB | lab(68.51, -24.32, -20.95) |
| CIE-LCH | lch(68.51, 32.10, 220.74°) |
| OKLab | oklab(71.9% -0.0869 -0.0583) |
| OKLCH | oklch(71.9% 0.105 213.9) |
| XYZ | xyz(29.8727, 38.6693, 63.0046) |
| Luminance | 0.3867 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Turquoise Blue
#06B1C4
ΔE00 3.61
Bright Sky Blue
#02CCFE
ΔE00 8.87
Sky Blue
#87CEEB
ΔE00 9.56
Neon Blue
#04D9FF
ΔE00 9.64
Aqua Blue
#02D8E9
ΔE00 9.76
Greyblue
#77A1B5
ΔE00 9.79
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#45B5CC #CC5C45
analogous
#45CC9F #45B5CC #4571CC
triadic
#45B5CC #CC45B5 #B5CC45
tetradic
#45B5CC #9F45CC #CC5C45 #71CC45
square
#45B5CC #9F45CC #CC5C45 #71CC45
split-complementary
#45B5CC #CC4571 #CC9F45
monochromatic
#206876 #2E92A6 #45B5CC #75C8D9 #A5DBE6
Accessibility & contrast
On white
2.40
#45B5CC on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
8.73
#45B5CC on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #45B5CC
8.73:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##45B5CC | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##45B5CC | 1.00 | 2.40 | 8.73 | 8.73 |
| #FFFFFF | 2.40 | 1.00 | 21.00 | 21.00 |
| #000000 | 8.73 | 21.00 | 1.00 | 1.00 |
| ##000000 | 8.73 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#A4AFCD
Deuteranopia (green-blind)
#91A1CC
Tritanopia (blue-blind)
#00BEBC
Achromatopsia (no color)
#A7A7A7
Design tokens & code
CSS
--color: #45b5cc; /* rgb */ color: rgb(69, 181, 204); /* oklch */ color: oklch(71.9% 0.105 213.9);
Tailwind
colors: {
custom: {
50: '#88cbdb',
500: '#45b5cc',
950: '#000000',
},
}SCSS
$custom: #45b5cc; $custom-light: #88cbdb; $custom-dark: #000000;
JSON
{
"hex": "#45b5cc",
"rgb": {
"r": 69,
"g": 181,
"b": 204
},
"hsl": {
"h": 190.222,
"s": 56.962,
"l": 53.529
},
"oklch": {
"l": 0.71897,
"c": 0.10459,
"h": 213.9
},
"luminance": 0.38673
}Semantic roles & 50–950 ramp
primary
#45B5CC
secondary
#D3A399
accent
#6248E0
background
#F9FCFD
surface
#F1F8FB
border
#CBD1D4
text
#0D1315
muted
#7E8283