#4990E9#4990E9
#4990E9 is a light, vivid cyan. Relative luminance 0.272; OKLCH L 65.0% C 0.152 H 255.3°. Best body text is #000000 at 6.45:1 contrast (WCAG AA passes).
Color values
| HEX | #4990E9 |
|---|---|
| RGB | rgb(73, 144, 233) |
| HSL | hsl(213, 78%, 60%) |
| HSV | hsv(213, 69%, 91%) |
| CMYK | cmyk(68.7%, 38.2%, 0%, 8.6%) |
| CIE-LAB | lab(59.20, 6.26, -51.48) |
| CIE-LCH | lch(59.20, 51.86, 276.93°) |
| OKLab | oklab(64.96% -0.0384 -0.1466) |
| OKLCH | oklch(64.96% 0.152 255.3) |
| XYZ | xyz(27.4235, 27.2433, 80.8882) |
| Luminance | 0.2725 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dark Sky Blue
#448EE4
ΔE00 1.03
Dodgerblue
#1E90FF
ΔE00 2.33
Cornflowerblue
#6495ED
ΔE00 3.76
Dodger Blue
#3E82FC
ΔE00 5.16
Faded Blue
#658CBB
ΔE00 5.54
Azure
#007FFF
ΔE00 5.62
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4990E9 #E9A249
analogous
#49E0E9 #4990E9 #5249E9
triadic
#4990E9 #E94990 #90E949
tetradic
#4990E9 #E949E0 #E9A249 #49E952
square
#4990E9 #E949E0 #E9A249 #49E952
split-complementary
#4990E9 #E95249 #E0E949
monochromatic
#1454A4 #1A70DA #4990E9 #80B1F0 #B6D3F6
Accessibility & contrast
On white
3.26
#4990E9 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.45
#4990E9 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #4990E9
6.45:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4990E9 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##4990E9 | 1.00 | 3.26 | 6.45 | 6.45 |
| #FFFFFF | 3.26 | 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)
#6797ED
Deuteranopia (green-blind)
#4F88E7
Tritanopia (blue-blind)
#00A5B1
Achromatopsia (no color)
#8E8E8E
Design tokens & code
CSS
--color: #4990e9; /* rgb */ color: rgb(73, 144, 233); /* oklch */ color: oklch(65.0% 0.152 255.3);
Tailwind
colors: {
custom: {
50: '#8db0f0',
500: '#4990e9',
950: '#000000',
},
}SCSS
$custom: #4990e9; $custom-light: #8db0f0; $custom-dark: #000000;
JSON
{
"hex": "#4990e9",
"rgb": {
"r": 73,
"g": 144,
"b": 233
},
"hsl": {
"h": 213.375,
"s": 78.431,
"l": 60
},
"oklch": {
"l": 0.64961,
"c": 0.15157,
"h": 255.3
},
"luminance": 0.27246
}Semantic roles & 50–950 ramp
primary
#4990E9
secondary
#E6CAA8
accent
#9F33F5
background
#F9FAFE
surface
#F2F4FD
border
#CCCED5
text
#0D1017
muted
#7E7F85