#4BB3EC#4BB3EC
#4BB3EC is a light, vivid cyan. Relative luminance 0.398; OKLCH L 73.0% C 0.126 H 236.3°. Best body text is #000000 at 8.96:1 contrast (WCAG AA passes).
Color values
| HEX | #4BB3EC |
|---|---|
| RGB | rgb(75, 179, 236) |
| HSL | hsl(201, 81%, 61%) |
| HSV | hsv(201, 68%, 93%) |
| CMYK | cmyk(68.2%, 24.2%, 0%, 7.5%) |
| CIE-LAB | lab(69.32, -12.27, -37.21) |
| CIE-LCH | lch(69.32, 39.18, 251.75°) |
| OKLab | oklab(72.99% -0.0699 -0.1047) |
| OKLCH | oklch(72.99% 0.126 236.3) |
| XYZ | xyz(34.1561, 39.7884, 85.2205) |
| Luminance | 0.3979 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Deepskyblue
#00BFFF
ΔE00 4.17
Sky Blue (survey)
#75BBFD
ΔE00 6.25
Lightblue (survey)
#7BC8F6
ΔE00 6.51
Sky
#82CAFC
ΔE00 7.31
Lightskyblue
#87CEFA
ΔE00 8.27
Bright Sky Blue
#02CCFE
ΔE00 8.36
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4BB3EC #EC844B
analogous
#4BECD4 #4BB3EC #4B62EC
triadic
#4BB3EC #EC4BB3 #B3EC4B
tetradic
#4BB3EC #D44BEC #EC844B #62EC4B
square
#4BB3EC #D44BEC #EC844B #62EC4B
split-complementary
#4BB3EC #EC4B62 #ECD44B
monochromatic
#1275AB #189AE2 #4BB3EC #82CAF2 #BAE2F8
Accessibility & contrast
On white
2.34
#4BB3EC on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
8.96
#4BB3EC on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #4BB3EC
8.96:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4BB3EC | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##4BB3EC | 1.00 | 2.34 | 8.96 | 8.96 |
| #FFFFFF | 2.34 | 1.00 | 21.00 | 21.00 |
| #000000 | 8.96 | 21.00 | 1.00 | 1.00 |
| ##000000 | 8.96 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#98B2EF
Deuteranopia (green-blind)
#82A2EB
Tritanopia (blue-blind)
#00C2C6
Achromatopsia (no color)
#A9A9A9
Design tokens & code
CSS
--color: #4bb3ec; /* rgb */ color: rgb(75, 179, 236); /* oklch */ color: oklch(73.0% 0.126 236.3);
Tailwind
colors: {
custom: {
50: '#8fc9f2',
500: '#4bb3ec',
950: '#000000',
},
}SCSS
$custom: #4bb3ec; $custom-light: #8fc9f2; $custom-dark: #000000;
JSON
{
"hex": "#4bb3ec",
"rgb": {
"r": 75,
"g": 179,
"b": 236
},
"hsl": {
"h": 201.242,
"s": 80.905,
"l": 60.98
},
"oklch": {
"l": 0.72994,
"c": 0.12588,
"h": 236.3
},
"luminance": 0.39792
}Semantic roles & 50–950 ramp
primary
#4BB3EC
secondary
#E8C1AB
accent
#5408DD
background
#F9FCFE
surface
#F2F8FD
border
#CCD1D5
text
#0E1317
muted
#7E8285