#4E90B1#4E90B1
#4E90B1 is a light, moderate cyan. Relative luminance 0.247; OKLCH L 62.3% C 0.084 H 232.0°. Best body text is #000000 at 5.95:1 contrast (WCAG AA passes).
Color values
| HEX | #4E90B1 |
|---|---|
| RGB | rgb(78, 144, 177) |
| HSL | hsl(200, 39%, 50%) |
| HSV | hsv(200, 56%, 69%) |
| CMYK | cmyk(55.9%, 18.6%, 0%, 30.6%) |
| CIE-LAB | lab(56.82, -11.38, -23.70) |
| CIE-LCH | lch(56.82, 26.29, 244.36°) |
| OKLab | oklab(62.3% -0.0516 -0.066) |
| OKLCH | oklch(62.3% 0.084 232) |
| XYZ | xyz(21.0480, 24.7387, 45.2523) |
| Luminance | 0.2474 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dirty Blue
#3F829D
ΔE00 5.73
Dusty Blue
#5A86AD
ΔE00 6.03
Off Blue
#5684AE
ΔE00 6.65
Greyish Blue
#5E819D
ΔE00 6.89
Cool Blue
#4984B8
ΔE00 7.03
Steel Blue
#4682B4
ΔE00 7.12
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4E90B1 #B16F4E
analogous
#4EB1A1 #4E90B1 #4E5EB1
triadic
#4E90B1 #B14E90 #90B14E
tetradic
#4E90B1 #A14EB1 #B16F4E #5EB14E
square
#4E90B1 #A14EB1 #B16F4E #5EB14E
split-complementary
#4E90B1 #B14E5E #B1A14E
monochromatic
#294B5C #3B6D87 #4E90B1 #78ABC4 #A3C5D6
Accessibility & contrast
On white
3.53
#4E90B1 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.95
#4E90B1 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #4E90B1
5.95:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4E90B1 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##4E90B1 | 1.00 | 3.53 | 5.95 | 5.95 |
| #FFFFFF | 3.53 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.95 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.95 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#808EB3
Deuteranopia (green-blind)
#7284B1
Tritanopia (blue-blind)
#00999B
Achromatopsia (no color)
#888888
Design tokens & code
CSS
--color: #4e90b1; /* rgb */ color: rgb(78, 144, 177); /* oklch */ color: oklch(62.3% 0.084 232.0);
Tailwind
colors: {
custom: {
50: '#87b0c8',
500: '#4e90b1',
950: '#000000',
},
}SCSS
$custom: #4e90b1; $custom-light: #87b0c8; $custom-dark: #000000;
JSON
{
"hex": "#4e90b1",
"rgb": {
"r": 78,
"g": 144,
"b": 177
},
"hsl": {
"h": 200,
"s": 38.824,
"l": 50
},
"oklch": {
"l": 0.62298,
"c": 0.08378,
"h": 232
},
"luminance": 0.24741
}Semantic roles & 50–950 ramp
primary
#4E90B1
secondary
#C4A697
accent
#8059CF
background
#F8FAFC
surface
#F0F4F8
border
#CBCED1
text
#0C1013
muted
#7D7F82