#4590D9#4590D9
#4590D9 is a light, vivid cyan. Relative luminance 0.262; OKLCH L 63.9% C 0.133 H 250.1°. Best body text is #000000 at 6.24:1 contrast (WCAG AA passes).
Color values
| HEX | #4590D9 |
|---|---|
| RGB | rgb(69, 144, 217) |
| HSL | hsl(210, 66%, 56%) |
| HSV | hsv(210, 68%, 85%) |
| CMYK | cmyk(68.2%, 33.6%, 0%, 14.9%) |
| CIE-LAB | lab(58.24, 0.12, -44.09) |
| CIE-LCH | lch(58.24, 44.09, 270.15°) |
| OKLab | oklab(63.91% -0.0452 -0.125) |
| OKLCH | oklch(63.91% 0.133 250.1) |
| XYZ | xyz(24.9472, 26.2188, 69.3782) |
| Luminance | 0.2622 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dark Sky Blue
#448EE4
ΔE00 1.73
Dodgerblue
#1E90FF
ΔE00 3.15
Azure (survey)
#069AF3
ΔE00 4.66
Cerulean (survey)
#0485D1
ΔE00 5.10
Cool Blue
#4984B8
ΔE00 5.18
Water Blue
#0E87CC
ΔE00 5.22
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4590D9 #D98E45
analogous
#45D9D8 #4590D9 #4546D9
triadic
#4590D9 #D94590 #90D945
tetradic
#4590D9 #D845D9 #D98E45 #46D945
square
#4590D9 #D845D9 #D98E45 #46D945
split-complementary
#4590D9 #D94546 #D9D845
monochromatic
#1C5388 #2671BB #4590D9 #78AEE3 #ABCDEE
Accessibility & contrast
On white
3.36
#4590D9 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.24
#4590D9 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #4590D9
6.24:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4590D9 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##4590D9 | 1.00 | 3.36 | 6.24 | 6.24 |
| #FFFFFF | 3.36 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.24 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.24 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6F94DC
Deuteranopia (green-blind)
#5B86D8
Tritanopia (blue-blind)
#00A1AA
Achromatopsia (no color)
#8C8C8C
Design tokens & code
CSS
--color: #4590d9; /* rgb */ color: rgb(69, 144, 217); /* oklch */ color: oklch(63.9% 0.133 250.1);
Tailwind
colors: {
custom: {
50: '#88b0e5',
500: '#4590d9',
950: '#000000',
},
}SCSS
$custom: #4590d9; $custom-light: #88b0e5; $custom-dark: #000000;
JSON
{
"hex": "#4590d9",
"rgb": {
"r": 69,
"g": 144,
"b": 217
},
"hsl": {
"h": 209.595,
"s": 66.071,
"l": 56.078
},
"oklch": {
"l": 0.6391,
"c": 0.13295,
"h": 250.1
},
"luminance": 0.26221
}Semantic roles & 50–950 ramp
primary
#4590D9
secondary
#DBBC9E
accent
#933FE9
background
#F9FAFE
surface
#F1F4FC
border
#CBCED5
text
#0D1016
muted
#7E7F84