#4BB9E1#4BB9E1
#4BB9E1 is a light, moderate cyan. Relative luminance 0.416; OKLCH L 73.9% C 0.114 H 225.7°. Best body text is #000000 at 9.33:1 contrast (WCAG AA passes).
Color values
| HEX | #4BB9E1 |
|---|---|
| RGB | rgb(75, 185, 225) |
| HSL | hsl(196, 71%, 59%) |
| HSV | hsv(196, 67%, 88%) |
| CMYK | cmyk(66.7%, 17.8%, 0%, 11.8%) |
| CIE-LAB | lab(70.61, -18.97, -29.22) |
| CIE-LCH | lch(70.61, 34.83, 237.01°) |
| OKLab | oklab(73.88% -0.0797 -0.0817) |
| OKLCH | oklch(73.88% 0.114 225.7) |
| XYZ | xyz(33.8358, 41.6263, 77.4710) |
| Luminance | 0.4163 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Deepskyblue
#00BFFF
ΔE00 5.19
Bright Sky Blue
#02CCFE
ΔE00 5.36
Lightblue (survey)
#7BC8F6
ΔE00 6.66
Sky Blue
#87CEEB
ΔE00 7.33
Baby Blue
#89CFF0
ΔE00 7.56
Lightskyblue
#87CEFA
ΔE00 8.16
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4BB9E1 #E1734B
analogous
#4BE1BE #4BB9E1 #4B6EE1
triadic
#4BB9E1 #E14BB9 #B9E14B
tetradic
#4BB9E1 #BE4BE1 #E1734B #6EE14B
square
#4BB9E1 #BE4BE1 #E1734B #6EE14B
split-complementary
#4BB9E1 #E14B6E #E1BE4B
monochromatic
#197698 #229FCD #4BB9E1 #7FCDEA #B4E2F2
Accessibility & contrast
On white
2.25
#4BB9E1 on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
9.33
#4BB9E1 on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #4BB9E1
9.33:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4BB9E1 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##4BB9E1 | 1.00 | 2.25 | 9.33 | 9.33 |
| #FFFFFF | 2.25 | 1.00 | 21.00 | 21.00 |
| #000000 | 9.33 | 21.00 | 1.00 | 1.00 |
| ##000000 | 9.33 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#A3B5E3
Deuteranopia (green-blind)
#8EA6E1
Tritanopia (blue-blind)
#00C5C6
Achromatopsia (no color)
#ADADAD
Design tokens & code
CSS
--color: #4bb9e1; /* rgb */ color: rgb(75, 185, 225); /* oklch */ color: oklch(73.9% 0.114 225.7);
Tailwind
colors: {
custom: {
50: '#8eceea',
500: '#4bb9e1',
950: '#000000',
},
}SCSS
$custom: #4bb9e1; $custom-light: #8eceea; $custom-dark: #000000;
JSON
{
"hex": "#4bb9e1",
"rgb": {
"r": 75,
"g": 185,
"b": 225
},
"hsl": {
"h": 196,
"s": 71.429,
"l": 58.824
},
"oklch": {
"l": 0.73882,
"c": 0.11411,
"h": 225.7
},
"luminance": 0.4163
}Semantic roles & 50–950 ramp
primary
#4BB9E1
secondary
#E1B6A6
accent
#6A3AEE
background
#F9FCFE
surface
#F2F9FD
border
#CCD2D5
text
#0E1316
muted
#7E8284