#45B4CB#45B4CB
#45B4CB is a light, moderate cyan. Relative luminance 0.382; OKLCH L 71.6% C 0.104 H 214.0°. Best body text is #000000 at 8.64:1 contrast (WCAG AA passes).
Color values
| HEX | #45B4CB |
|---|---|
| RGB | rgb(69, 180, 203) |
| HSL | hsl(190, 56%, 53%) |
| HSV | hsv(190, 66%, 80%) |
| CMYK | cmyk(66%, 11.3%, 0%, 20.4%) |
| CIE-LAB | lab(68.18, -24.12, -20.91) |
| CIE-LCH | lch(68.18, 31.92, 220.92°) |
| OKLab | oklab(71.62% -0.0862 -0.0581) |
| OKLCH | oklch(71.62% 0.104 214) |
| XYZ | xyz(29.5505, 38.2163, 62.3074) |
| Luminance | 0.3822 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Turquoise Blue
#06B1C4
ΔE00 3.55
Bright Sky Blue
#02CCFE
ΔE00 9.04
Greyblue
#77A1B5
ΔE00 9.61
Sky Blue
#87CEEB
ΔE00 9.73
Cadetblue
#5F9EA0
ΔE00 9.75
Neon Blue
#04D9FF
ΔE00 9.89
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#45B4CB #CB5C45
analogous
#45CB9F #45B4CB #4571CB
triadic
#45B4CB #CB45B4 #B4CB45
tetradic
#45B4CB #9F45CB #CB5C45 #71CB45
square
#45B4CB #9F45CB #CB5C45 #71CB45
split-complementary
#45B4CB #CB4571 #CB9F45
monochromatic
#216675 #2E90A5 #45B4CB #75C7D8 #A5DBE6
Accessibility & contrast
On white
2.43
#45B4CB on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
8.64
#45B4CB on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #45B4CB
8.64:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##45B4CB | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##45B4CB | 1.00 | 2.43 | 8.64 | 8.64 |
| #FFFFFF | 2.43 | 1.00 | 21.00 | 21.00 |
| #000000 | 8.64 | 21.00 | 1.00 | 1.00 |
| ##000000 | 8.64 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#A3AECC
Deuteranopia (green-blind)
#90A0CB
Tritanopia (blue-blind)
#00BDBB
Achromatopsia (no color)
#A6A6A6
Design tokens & code
CSS
--color: #45b4cb; /* rgb */ color: rgb(69, 180, 203); /* oklch */ color: oklch(71.6% 0.104 214.0);
Tailwind
colors: {
custom: {
50: '#88cada',
500: '#45b4cb',
950: '#000000',
},
}SCSS
$custom: #45b4cb; $custom-light: #88cada; $custom-dark: #000000;
JSON
{
"hex": "#45b4cb",
"rgb": {
"r": 69,
"g": 180,
"b": 203
},
"hsl": {
"h": 190.299,
"s": 56.303,
"l": 53.333
},
"oklch": {
"l": 0.71619,
"c": 0.104,
"h": 214
},
"luminance": 0.3822
}Semantic roles & 50–950 ramp
primary
#45B4CB
secondary
#D3A399
accent
#6248E0
background
#F9FCFD
surface
#F1F8FA
border
#CBD1D3
text
#0D1315
muted
#7E8283