#528BD3#528BD3
#528BD3 is a light, vivid cyan. Relative luminance 0.250; OKLCH L 63.0% C 0.125 H 255.1°. Best body text is #000000 at 5.99:1 contrast (WCAG AA passes).
Color values
| HEX | #528BD3 |
|---|---|
| RGB | rgb(82, 139, 211) |
| HSL | hsl(213, 59%, 57%) |
| HSV | hsv(213, 61%, 83%) |
| CMYK | cmyk(61.1%, 34.1%, 0%, 17.3%) |
| CIE-LAB | lab(57.04, 3.25, -42.60) |
| CIE-LCH | lch(57.04, 42.73, 274.36°) |
| OKLab | oklab(63.01% -0.0321 -0.1206) |
| OKLCH | oklch(63.01% 0.125 255.1) |
| XYZ | xyz(24.4660, 24.9600, 65.1438) |
| Luminance | 0.2496 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dark Sky Blue
#448EE4
ΔE00 2.19
Faded Blue
#658CBB
ΔE00 3.54
Cool Blue
#4984B8
ΔE00 4.43
Dodgerblue
#1E90FF
ΔE00 4.57
Dodger Blue
#3E82FC
ΔE00 4.74
Cornflowerblue
#6495ED
ΔE00 4.83
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#528BD3 #D39A52
analogous
#52CCD3 #528BD3 #5952D3
triadic
#528BD3 #D3528B #8BD352
tetradic
#528BD3 #D352CC #D39A52 #52D359
square
#528BD3 #D352CC #D39A52 #52D359
split-complementary
#528BD3 #D35952 #CCD352
monochromatic
#234F88 #2F6CB9 #528BD3 #83ACDF #B4CCEC
Accessibility & contrast
On white
3.50
#528BD3 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.99
#528BD3 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #528BD3
5.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##528BD3 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##528BD3 | 1.00 | 3.50 | 5.99 | 5.99 |
| #FFFFFF | 3.50 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.99 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.99 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6C90D6
Deuteranopia (green-blind)
#5B83D2
Tritanopia (blue-blind)
#009BA5
Achromatopsia (no color)
#898989
Design tokens & code
CSS
--color: #528bd3; /* rgb */ color: rgb(82, 139, 211); /* oklch */ color: oklch(63.0% 0.125 255.1);
Tailwind
colors: {
custom: {
50: '#8dace1',
500: '#528bd3',
950: '#000000',
},
}SCSS
$custom: #528bd3; $custom-light: #8dace1; $custom-dark: #000000;
JSON
{
"hex": "#528bd3",
"rgb": {
"r": 82,
"g": 139,
"b": 211
},
"hsl": {
"h": 213.488,
"s": 59.447,
"l": 57.451
},
"oklch": {
"l": 0.63008,
"c": 0.12478,
"h": 255.1
},
"luminance": 0.24962
}Semantic roles & 50–950 ramp
primary
#528BD3
secondary
#DAC3A6
accent
#9D45E3
background
#F9FAFD
surface
#F1F4FB
border
#CBCED4
text
#0D1015
muted
#7E7F83