#528BE1#528BE1
#528BE1 is a light, vivid blue. Relative luminance 0.257; OKLCH L 63.8% C 0.143 H 258.4°. Best body text is #000000 at 6.14:1 contrast (WCAG AA passes).
Color values
| HEX | #528BE1 |
|---|---|
| RGB | rgb(82, 139, 225) |
| HSL | hsl(216, 70%, 60%) |
| HSV | hsv(216, 64%, 88%) |
| CMYK | cmyk(63.6%, 38.2%, 0%, 11.8%) |
| CIE-LAB | lab(57.74, 7.95, -49.32) |
| CIE-LCH | lch(57.74, 49.96, 279.15°) |
| OKLab | oklab(63.79% -0.0287 -0.1402) |
| OKLCH | oklch(63.79% 0.143 258.4) |
| XYZ | xyz(26.2981, 25.6928, 74.7929) |
| Luminance | 0.2570 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Dark Sky Blue
#448EE4
ΔE00 2.41
Dodger Blue
#3E82FC
ΔE00 3.73
Cornflowerblue
#6495ED
ΔE00 3.81
Soft Blue
#6488EA
ΔE00 4.04
Faded Blue
#658CBB
ΔE00 4.30
Dodgerblue
#1E90FF
ΔE00 4.37
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#528BE1 #E1A852
analogous
#52D2E1 #528BE1 #6152E1
triadic
#528BE1 #E1528B #8BE152
tetradic
#528BE1 #E152D2 #E1A852 #52E161
square
#528BE1 #E152D2 #E1A852 #52E161
split-complementary
#528BE1 #E16152 #D2E152
monochromatic
#1B4F9D #2469D1 #528BE1 #86AEEA #BAD1F3
Accessibility & contrast
On white
3.42
#528BE1 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.14
#528BE1 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #528BE1
6.14:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##528BE1 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##528BE1 | 1.00 | 3.42 | 6.14 | 6.14 |
| #FFFFFF | 3.42 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.14 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.14 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6592E4
Deuteranopia (green-blind)
#5185DF
Tritanopia (blue-blind)
#009FAB
Achromatopsia (no color)
#8B8B8B
Design tokens & code
CSS
--color: #528be1; /* rgb */ color: rgb(82, 139, 225); /* oklch */ color: oklch(63.8% 0.143 258.4);
Tailwind
colors: {
custom: {
50: '#8faceb',
500: '#528be1',
950: '#000000',
},
}SCSS
$custom: #528be1; $custom-light: #8faceb; $custom-dark: #000000;
JSON
{
"hex": "#528be1",
"rgb": {
"r": 82,
"g": 139,
"b": 225
},
"hsl": {
"h": 216.084,
"s": 70.443,
"l": 60.196
},
"oklch": {
"l": 0.63791,
"c": 0.14312,
"h": 258.4
},
"luminance": 0.25695
}Semantic roles & 50–950 ramp
primary
#528BE1
secondary
#E3CDAC
accent
#8613D2
background
#F9FAFE
surface
#F2F4FD
border
#CCCED5
text
#0E1016
muted
#7E7F84