#4EB3FD#4EB3FD
#4EB3FD is a light, vivid cyan. Relative luminance 0.410; OKLCH L 73.9% C 0.142 H 243.8°. Best body text is #000000 at 9.19:1 contrast (WCAG AA passes).
Color values
| HEX | #4EB3FD |
|---|---|
| RGB | rgb(78, 179, 253) |
| HSL | hsl(205, 98%, 65%) |
| HSV | hsv(205, 69%, 99%) |
| CMYK | cmyk(69.2%, 29.2%, 0%, 0.8%) |
| CIE-LAB | lab(70.14, -6.26, -45.15) |
| CIE-LCH | lch(70.14, 45.58, 262.11°) |
| OKLab | oklab(73.91% -0.0629 -0.1276) |
| OKLCH | oklch(73.91% 0.142 243.8) |
| XYZ | xyz(36.9848, 40.9477, 98.8640) |
| Luminance | 0.4095 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Sky Blue (survey)
#75BBFD
ΔE00 4.09
Deepskyblue
#00BFFF
ΔE00 6.69
Sky
#82CAFC
ΔE00 7.21
Lightblue (survey)
#7BC8F6
ΔE00 7.27
Azure (survey)
#069AF3
ΔE00 7.49
Carolina Blue
#8AB8FE
ΔE00 8.34
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4EB3FD #FD984E
analogous
#4EFDEF #4EB3FD #4E5CFD
triadic
#4EB3FD #FD4EB3 #B3FD4E
tetradic
#4EB3FD #EF4EFD #FD984E #5CFD4E
square
#4EB3FD #EF4EFD #FD984E #5CFD4E
split-complementary
#4EB3FD #FD4E5C #FDEF4E
monochromatic
#0278CE #1199FC #4EB3FD #8BCDFE #C7E7FE
Accessibility & contrast
On white
2.28
#4EB3FD on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
9.19
#4EB3FD on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #4EB3FD
9.19:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4EB3FD | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##4EB3FD | 1.00 | 2.28 | 9.19 | 9.19 |
| #FFFFFF | 2.28 | 1.00 | 21.00 | 21.00 |
| #000000 | 9.19 | 21.00 | 1.00 | 1.00 |
| ##000000 | 9.19 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#91B5FF
Deuteranopia (green-blind)
#79A4FC
Tritanopia (blue-blind)
#00C5CD
Achromatopsia (no color)
#ABABAB
Design tokens & code
CSS
--color: #4eb3fd; /* rgb */ color: rgb(78, 179, 253); /* oklch */ color: oklch(73.9% 0.142 243.8);
Tailwind
colors: {
custom: {
50: '#92c9fe',
500: '#4eb3fd',
950: '#000000',
},
}SCSS
$custom: #4eb3fd; $custom-light: #92c9fe; $custom-dark: #000000;
JSON
{
"hex": "#4eb3fd",
"rgb": {
"r": 78,
"g": 179,
"b": 253
},
"hsl": {
"h": 205.371,
"s": 97.765,
"l": 64.902
},
"oklch": {
"l": 0.7391,
"c": 0.14231,
"h": 243.8
},
"luminance": 0.40952
}Semantic roles & 50–950 ramp
primary
#4EB3FD
secondary
#F1CFB6
accent
#6100E6
background
#F9FCFF
surface
#F2F8FF
border
#CCD1D7
text
#0E1318
muted
#7E8286