#528CB1#528CB1
#528CB1 is a mid, moderate cyan. Relative luminance 0.237; OKLCH L 61.5% C 0.083 H 238.1°. Best body text is #000000 at 5.74:1 contrast (WCAG AA passes).
Color values
| HEX | #528CB1 |
|---|---|
| RGB | rgb(82, 140, 177) |
| HSL | hsl(203, 38%, 51%) |
| HSV | hsv(203, 54%, 69%) |
| CMYK | cmyk(53.7%, 20.9%, 0%, 30.6%) |
| CIE-LAB | lab(55.81, -8.26, -25.24) |
| CIE-LCH | lch(55.81, 26.56, 251.89°) |
| OKLab | oklab(61.54% -0.0438 -0.0704) |
| OKLCH | oklch(61.54% 0.083 238.1) |
| XYZ | xyz(20.7907, 23.7226, 45.0698) |
| Luminance | 0.2372 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dusty Blue
#5A86AD
ΔE00 3.56
Off Blue
#5684AE
ΔE00 4.12
Cool Blue
#4984B8
ΔE00 4.47
Steel Blue
#4682B4
ΔE00 4.68
Greyish Blue
#5E819D
ΔE00 5.19
Faded Blue
#658CBB
ΔE00 5.77
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#528CB1 #B17752
analogous
#52B1A6 #528CB1 #525CB1
triadic
#528CB1 #B1528C #8CB152
tetradic
#528CB1 #A652B1 #B17752 #5CB152
square
#528CB1 #A652B1 #B17752 #5CB152
split-complementary
#528CB1 #B1525C #B1A652
monochromatic
#2A4A5E #3D6B88 #528CB1 #7CA8C4 #A6C4D7
Accessibility & contrast
On white
3.66
#528CB1 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.74
#528CB1 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #528CB1
5.74:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##528CB1 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##528CB1 | 1.00 | 3.66 | 5.74 | 5.74 |
| #FFFFFF | 3.66 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.74 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.74 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#7B8BB3
Deuteranopia (green-blind)
#6E81B0
Tritanopia (blue-blind)
#149598
Achromatopsia (no color)
#868686
Design tokens & code
CSS
--color: #528cb1; /* rgb */ color: rgb(82, 140, 177); /* oklch */ color: oklch(61.5% 0.083 238.1);
Tailwind
colors: {
custom: {
50: '#89adc8',
500: '#528cb1',
950: '#000000',
},
}SCSS
$custom: #528cb1; $custom-light: #89adc8; $custom-dark: #000000;
JSON
{
"hex": "#528cb1",
"rgb": {
"r": 82,
"g": 140,
"b": 177
},
"hsl": {
"h": 203.368,
"s": 37.849,
"l": 50.784
},
"oklch": {
"l": 0.61543,
"c": 0.08288,
"h": 238.1
},
"luminance": 0.23724
}Semantic roles & 50–950 ramp
primary
#528CB1
secondary
#C4AB9A
accent
#875ACE
background
#F8FAFC
surface
#F0F4F8
border
#CBCED1
text
#0C1013
muted
#7D7F82