#4B90EC#4B90EC
#4B90EC is a light, vivid cyan. Relative luminance 0.275; OKLCH L 65.2% C 0.155 H 256.4°. Best body text is #000000 at 6.50:1 contrast (WCAG AA passes).
Color values
| HEX | #4B90EC |
|---|---|
| RGB | rgb(75, 144, 236) |
| HSL | hsl(214, 81%, 61%) |
| HSV | hsv(214, 68%, 93%) |
| CMYK | cmyk(68.2%, 39%, 0%, 7.5%) |
| CIE-LAB | lab(59.43, 7.60, -52.77) |
| CIE-LCH | lch(59.43, 53.32, 278.20°) |
| OKLab | oklab(65.21% -0.0364 -0.1504) |
| OKLCH | oklch(65.21% 0.155 256.4) |
| XYZ | xyz(28.0097, 27.4956, 83.1716) |
| Luminance | 0.2750 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dark Sky Blue
#448EE4
ΔE00 1.50
Dodgerblue
#1E90FF
ΔE00 2.55
Cornflowerblue
#6495ED
ΔE00 3.33
Dodger Blue
#3E82FC
ΔE00 4.90
Azure
#007FFF
ΔE00 5.58
Soft Blue
#6488EA
ΔE00 5.59
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4B90EC #ECA74B
analogous
#4BE0EC #4B90EC #564BEC
triadic
#4B90EC #EC4B90 #90EC4B
tetradic
#4B90EC #EC4BE0 #ECA74B #4BEC56
square
#4B90EC #EC4BE0 #ECA74B #4BEC56
split-complementary
#4B90EC #EC564B #E0EC4B
monochromatic
#1253AB #186EE2 #4B90EC #82B2F2 #BAD4F8
Accessibility & contrast
On white
3.23
#4B90EC on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.50
#4B90EC on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #4B90EC
6.50:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4B90EC | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##4B90EC | 1.00 | 3.23 | 6.50 | 6.50 |
| #FFFFFF | 3.23 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.50 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.50 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6697F0
Deuteranopia (green-blind)
#4D88EA
Tritanopia (blue-blind)
#00A5B3
Achromatopsia (no color)
#8F8F8F
Design tokens & code
CSS
--color: #4b90ec; /* rgb */ color: rgb(75, 144, 236); /* oklch */ color: oklch(65.2% 0.155 256.4);
Tailwind
colors: {
custom: {
50: '#8eb0f2',
500: '#4b90ec',
950: '#000000',
},
}SCSS
$custom: #4b90ec; $custom-light: #8eb0f2; $custom-dark: #000000;
JSON
{
"hex": "#4b90ec",
"rgb": {
"r": 75,
"g": 144,
"b": 236
},
"hsl": {
"h": 214.286,
"s": 80.905,
"l": 60.98
},
"oklch": {
"l": 0.65213,
"c": 0.1547,
"h": 256.4
},
"luminance": 0.27499
}Semantic roles & 50–950 ramp
primary
#4B90EC
secondary
#E8CEAB
accent
#8208DD
background
#F9FAFE
surface
#F2F4FD
border
#CCCED5
text
#0E1017
muted
#7E7F85