#4B90E8#4B90E8
#4B90E8 is a light, vivid cyan. Relative luminance 0.273; OKLCH L 65.0% C 0.150 H 255.6°. Best body text is #000000 at 6.45:1 contrast (WCAG AA passes).
Color values
| HEX | #4B90E8 |
|---|---|
| RGB | rgb(75, 144, 232) |
| HSL | hsl(214, 77%, 60%) |
| HSV | hsv(214, 68%, 91%) |
| CMYK | cmyk(67.7%, 37.9%, 0%, 9%) |
| CIE-LAB | lab(59.22, 6.22, -50.89) |
| CIE-LCH | lch(59.22, 51.27, 276.97°) |
| OKLab | oklab(64.98% -0.0373 -0.1448) |
| OKLCH | oklch(64.98% 0.15 255.6) |
| XYZ | xyz(27.4351, 27.2657, 80.1452) |
| Luminance | 0.2727 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dark Sky Blue
#448EE4
ΔE00 1.12
Dodgerblue
#1E90FF
ΔE00 2.52
Cornflowerblue
#6495ED
ΔE00 3.60
Dodger Blue
#3E82FC
ΔE00 5.10
Faded Blue
#658CBB
ΔE00 5.41
Azure
#007FFF
ΔE00 5.64
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4B90E8 #E8A34B
analogous
#4BDEE8 #4B90E8 #554BE8
triadic
#4B90E8 #E84B90 #90E84B
tetradic
#4B90E8 #E84BDE #E8A34B #4BE855
square
#4B90E8 #E84BDE #E8A34B #4BE855
split-complementary
#4B90E8 #E8554B #DEE84B
monochromatic
#1554A4 #1C6FDA #4B90E8 #81B1EF #B8D3F6
Accessibility & contrast
On white
3.25
#4B90E8 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.45
#4B90E8 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #4B90E8
6.45:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4B90E8 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##4B90E8 | 1.00 | 3.25 | 6.45 | 6.45 |
| #FFFFFF | 3.25 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.45 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.45 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6897EC
Deuteranopia (green-blind)
#5188E6
Tritanopia (blue-blind)
#00A4B1
Achromatopsia (no color)
#8F8F8F
Design tokens & code
CSS
--color: #4b90e8; /* rgb */ color: rgb(75, 144, 232); /* oklch */ color: oklch(65.0% 0.150 255.6);
Tailwind
colors: {
custom: {
50: '#8db0f0',
500: '#4b90e8',
950: '#000000',
},
}SCSS
$custom: #4b90e8; $custom-light: #8db0f0; $custom-dark: #000000;
JSON
{
"hex": "#4b90e8",
"rgb": {
"r": 75,
"g": 144,
"b": 232
},
"hsl": {
"h": 213.631,
"s": 77.34,
"l": 60.196
},
"oklch": {
"l": 0.6498,
"c": 0.14957,
"h": 255.6
},
"luminance": 0.27269
}Semantic roles & 50–950 ramp
primary
#4B90E8
secondary
#E6CBA9
accent
#7F0CDA
background
#F9FAFE
surface
#F2F4FD
border
#CCCED5
text
#0E1016
muted
#7E7F84