#45A3E8#45A3E8
#45A3E8 is a light, vivid cyan. Relative luminance 0.333; OKLCH L 69.0% C 0.135 H 243.9°. Best body text is #000000 at 7.66:1 contrast (WCAG AA passes).
Color values
| HEX | #45A3E8 |
|---|---|
| RGB | rgb(69, 163, 232) |
| HSL | hsl(205, 78%, 59%) |
| HSV | hsv(205, 70%, 91%) |
| CMYK | cmyk(70.3%, 29.7%, 0%, 9%) |
| CIE-LAB | lab(64.39, -5.65, -42.74) |
| CIE-LCH | lch(64.39, 43.11, 262.47°) |
| OKLab | oklab(68.98% -0.0592 -0.1209) |
| OKLCH | oklch(68.98% 0.135 243.9) |
| XYZ | xyz(30.1113, 33.2825, 81.1655) |
| Luminance | 0.3329 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Azure (survey)
#069AF3
ΔE00 3.36
Dodgerblue
#1E90FF
ΔE00 6.97
Dark Sky Blue
#448EE4
ΔE00 7.47
Sky Blue (survey)
#75BBFD
ΔE00 7.65
Cornflowerblue
#6495ED
ΔE00 8.48
Water Blue
#0E87CC
ΔE00 9.45
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#45A3E8 #E88A45
analogous
#45E8DC #45A3E8 #4552E8
triadic
#45A3E8 #E845A3 #A3E845
tetradic
#45A3E8 #DC45E8 #E88A45 #52E845
square
#45A3E8 #DC45E8 #E88A45 #52E845
split-complementary
#45A3E8 #E84552 #E8DC45
monochromatic
#14649F #1A86D5 #45A3E8 #7BBEEF #B2D9F5
Accessibility & contrast
On white
2.74
#45A3E8 on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
7.66
#45A3E8 on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #45A3E8
7.66:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##45A3E8 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##45A3E8 | 1.00 | 2.74 | 7.66 | 7.66 |
| #FFFFFF | 2.74 | 1.00 | 21.00 | 21.00 |
| #000000 | 7.66 | 21.00 | 1.00 | 1.00 |
| ##000000 | 7.66 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#84A5EB
Deuteranopia (green-blind)
#6D95E7
Tritanopia (blue-blind)
#00B4BB
Achromatopsia (no color)
#9C9C9C
Design tokens & code
CSS
--color: #45a3e8; /* rgb */ color: rgb(69, 163, 232); /* oklch */ color: oklch(69.0% 0.135 243.9);
Tailwind
colors: {
custom: {
50: '#8bbeef',
500: '#45a3e8',
950: '#000000',
},
}SCSS
$custom: #45a3e8; $custom-light: #8bbeef; $custom-dark: #000000;
JSON
{
"hex": "#45a3e8",
"rgb": {
"r": 69,
"g": 163,
"b": 232
},
"hsl": {
"h": 205.399,
"s": 77.99,
"l": 59.02
},
"oklch": {
"l": 0.68981,
"c": 0.13459,
"h": 243.9
},
"luminance": 0.33286
}Semantic roles & 50–950 ramp
primary
#45A3E8
secondary
#E4BFA4
accent
#8533F4
background
#F9FBFE
surface
#F2F6FD
border
#CCD0D5
text
#0D1216
muted
#7E8184