#4E90B5#4E90B5
#4E90B5 is a light, moderate cyan. Relative luminance 0.249; OKLCH L 62.5% C 0.088 H 235.1°. Best body text is #000000 at 5.98:1 contrast (WCAG AA passes).
Color values
| HEX | #4E90B5 |
|---|---|
| RGB | rgb(78, 144, 181) |
| HSL | hsl(202, 41%, 51%) |
| HSV | hsv(202, 57%, 71%) |
| CMYK | cmyk(56.9%, 20.4%, 0%, 29%) |
| CIE-LAB | lab(56.98, -10.13, -25.73) |
| CIE-LCH | lch(56.98, 27.66, 248.50°) |
| OKLab | oklab(62.48% -0.0501 -0.0718) |
| OKLCH | oklch(62.48% 0.088 235.1) |
| XYZ | xyz(21.4525, 24.9005, 47.3829) |
| Luminance | 0.2490 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dusty Blue
#5A86AD
ΔE00 5.26
Off Blue
#5684AE
ΔE00 5.84
Cool Blue
#4984B8
ΔE00 6.00
Steel Blue
#4682B4
ΔE00 6.21
Dirty Blue
#3F829D
ΔE00 6.43
Water Blue
#0E87CC
ΔE00 6.57
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4E90B5 #B5734E
analogous
#4EB5A6 #4E90B5 #4E5CB5
triadic
#4E90B5 #B54E90 #90B54E
tetradic
#4E90B5 #A64EB5 #B5734E #5CB54E
square
#4E90B5 #A64EB5 #B5734E #5CB54E
split-complementary
#4E90B5 #B54E5C #B5A64E
monochromatic
#284C60 #3A6E8B #4E90B5 #79ABC7 #A4C6D9
Accessibility & contrast
On white
3.51
#4E90B5 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.98
#4E90B5 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #4E90B5
5.98:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4E90B5 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##4E90B5 | 1.00 | 3.51 | 5.98 | 5.98 |
| #FFFFFF | 3.51 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.98 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.98 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#7F8FB7
Deuteranopia (green-blind)
#7084B4
Tritanopia (blue-blind)
#009A9C
Achromatopsia (no color)
#898989
Design tokens & code
CSS
--color: #4e90b5; /* rgb */ color: rgb(78, 144, 181); /* oklch */ color: oklch(62.5% 0.088 235.1);
Tailwind
colors: {
custom: {
50: '#88b0cb',
500: '#4e90b5',
950: '#000000',
},
}SCSS
$custom: #4e90b5; $custom-light: #88b0cb; $custom-dark: #000000;
JSON
{
"hex": "#4e90b5",
"rgb": {
"r": 78,
"g": 144,
"b": 181
},
"hsl": {
"h": 201.553,
"s": 41.036,
"l": 50.784
},
"oklch": {
"l": 0.62476,
"c": 0.08758,
"h": 235.1
},
"luminance": 0.24902
}Semantic roles & 50–950 ramp
primary
#4E90B5
secondary
#C6A999
accent
#8357D1
background
#F8FAFC
surface
#F0F4F8
border
#CBCED1
text
#0C1013
muted
#7D7F82