#4A90D7#4A90D7
#4A90D7 is a light, vivid cyan. Relative luminance 0.263; OKLCH L 64.0% C 0.128 H 250.8°. Best body text is #000000 at 6.26:1 contrast (WCAG AA passes).
Color values
| HEX | #4A90D7 |
|---|---|
| RGB | rgb(74, 144, 215) |
| HSL | hsl(210, 64%, 57%) |
| HSV | hsv(210, 66%, 84%) |
| CMYK | cmyk(65.6%, 33%, 0%, 15.7%) |
| CIE-LAB | lab(58.33, 0.24, -42.83) |
| CIE-LCH | lch(58.33, 42.83, 270.32°) |
| OKLab | oklab(63.99% -0.0423 -0.1213) |
| OKLCH | oklch(63.99% 0.128 250.8) |
| XYZ | xyz(25.0585, 26.3061, 68.0338) |
| Luminance | 0.2631 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dark Sky Blue
#448EE4
ΔE00 1.56
Dodgerblue
#1E90FF
ΔE00 3.29
Faded Blue
#658CBB
ΔE00 4.92
Azure (survey)
#069AF3
ΔE00 5.03
Cool Blue
#4984B8
ΔE00 5.12
Cornflowerblue
#6495ED
ΔE00 5.25
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4A90D7 #D7914A
analogous
#4AD6D7 #4A90D7 #4B4AD7
triadic
#4A90D7 #D74A90 #90D74A
tetradic
#4A90D7 #D74AD6 #D7914A #4AD74B
square
#4A90D7 #D74AD6 #D7914A #4AD74B
split-complementary
#4A90D7 #D74B4A #D6D74A
monochromatic
#1E5388 #2971BB #4A90D7 #7CAFE2 #AECDED
Accessibility & contrast
On white
3.35
#4A90D7 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.26
#4A90D7 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #4A90D7
6.26:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4A90D7 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##4A90D7 | 1.00 | 3.35 | 6.26 | 6.26 |
| #FFFFFF | 3.35 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.26 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.26 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#7194DA
Deuteranopia (green-blind)
#5D86D6
Tritanopia (blue-blind)
#00A1AA
Achromatopsia (no color)
#8C8C8C
Design tokens & code
CSS
--color: #4a90d7; /* rgb */ color: rgb(74, 144, 215); /* oklch */ color: oklch(64.0% 0.128 250.8);
Tailwind
colors: {
custom: {
50: '#8ab0e3',
500: '#4a90d7',
950: '#000000',
},
}SCSS
$custom: #4a90d7; $custom-light: #8ab0e3; $custom-dark: #000000;
JSON
{
"hex": "#4a90d7",
"rgb": {
"r": 74,
"g": 144,
"b": 215
},
"hsl": {
"h": 210.213,
"s": 63.801,
"l": 56.667
},
"oklch": {
"l": 0.63992,
"c": 0.12846,
"h": 250.8
},
"luminance": 0.26309
}Semantic roles & 50–950 ramp
primary
#4A90D7
secondary
#DBBFA2
accent
#9441E7
background
#F9FAFD
surface
#F1F4FB
border
#CBCED4
text
#0D1015
muted
#7E7F83