#4E90BF#4E90BF
#4E90BF is a light, moderate cyan. Relative luminance 0.253; OKLCH L 62.9% C 0.098 H 241.6°. Best body text is #000000 at 6.07:1 contrast (WCAG AA passes).
Color values
| HEX | #4E90BF |
|---|---|
| RGB | rgb(78, 144, 191) |
| HSL | hsl(205, 47%, 53%) |
| HSV | hsv(205, 59%, 75%) |
| CMYK | cmyk(59.2%, 24.6%, 0%, 25.1%) |
| CIE-LAB | lab(57.39, -6.97, -30.77) |
| CIE-LCH | lch(57.39, 31.55, 257.24°) |
| OKLab | oklab(62.94% -0.0466 -0.0863) |
| OKLCH | oklch(62.94% 0.098 241.6) |
| XYZ | xyz(22.5156, 25.3257, 52.9819) |
| Luminance | 0.2533 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Cool Blue
#4984B8
ΔE00 4.47
Dusty Blue
#5A86AD
ΔE00 4.50
Water Blue
#0E87CC
ΔE00 4.87
Off Blue
#5684AE
ΔE00 4.89
Steel Blue
#4682B4
ΔE00 5.05
Dark Sky Blue
#448EE4
ΔE00 5.26
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4E90BF #BF7D4E
analogous
#4EBFB6 #4E90BF #4E57BF
triadic
#4E90BF #BF4E90 #90BF4E
tetradic
#4E90BF #B64EBF #BF7D4E #57BF4E
square
#4E90BF #B64EBF #BF7D4E #57BF4E
split-complementary
#4E90BF #BF4E57 #BFB64E
monochromatic
#274F6C #377099 #4E90BF #7BACCF #A8C8E0
Accessibility & contrast
On white
3.46
#4E90BF on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.07
#4E90BF on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #4E90BF
6.07:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4E90BF | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##4E90BF | 1.00 | 3.46 | 6.07 | 6.07 |
| #FFFFFF | 3.46 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.07 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.07 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#7B90C1
Deuteranopia (green-blind)
#6C85BE
Tritanopia (blue-blind)
#009CA0
Achromatopsia (no color)
#8A8A8A
Design tokens & code
CSS
--color: #4e90bf; /* rgb */ color: rgb(78, 144, 191); /* oklch */ color: oklch(62.9% 0.098 241.6);
Tailwind
colors: {
custom: {
50: '#89b0d2',
500: '#4e90bf',
950: '#000000',
},
}SCSS
$custom: #4e90bf; $custom-light: #89b0d2; $custom-dark: #000000;
JSON
{
"hex": "#4e90bf",
"rgb": {
"r": 78,
"g": 144,
"b": 191
},
"hsl": {
"h": 204.956,
"s": 46.888,
"l": 52.745
},
"oklch": {
"l": 0.6294,
"c": 0.09808,
"h": 241.6
},
"luminance": 0.25328
}Semantic roles & 50–950 ramp
primary
#4E90BF
secondary
#CDB09C
accent
#8951D7
background
#F8FAFC
surface
#F0F4F9
border
#CBCED2
text
#0C1014
muted
#7D7F82