#528CB9#528CB9
#528CB9 is a mid, moderate cyan. Relative luminance 0.241; OKLCH L 61.9% C 0.092 H 243.4°. Best body text is #000000 at 5.81:1 contrast (WCAG AA passes).
Color values
| HEX | #528CB9 |
|---|---|
| RGB | rgb(82, 140, 185) |
| HSL | hsl(206, 42%, 52%) |
| HSV | hsv(206, 56%, 73%) |
| CMYK | cmyk(55.7%, 24.3%, 0%, 27.5%) |
| CIE-LAB | lab(56.14, -5.77, -29.30) |
| CIE-LCH | lch(56.14, 29.86, 258.87°) |
| OKLab | oklab(61.91% -0.041 -0.082) |
| OKLCH | oklch(61.91% 0.092 243.4) |
| XYZ | xyz(21.6115, 24.0509, 49.3929) |
| Luminance | 0.2405 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dusty Blue
#5A86AD
ΔE00 2.90
Cool Blue
#4984B8
ΔE00 3.09
Off Blue
#5684AE
ΔE00 3.26
Steel Blue
#4682B4
ΔE00 3.71
Faded Blue
#658CBB
ΔE00 4.22
Water Blue
#0E87CC
ΔE00 4.79
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#528CB9 #B97F52
analogous
#52B9B3 #528CB9 #5258B9
triadic
#528CB9 #B9528C #8CB952
tetradic
#528CB9 #B352B9 #B97F52 #58B952
square
#528CB9 #B352B9 #B97F52 #58B952
split-complementary
#528CB9 #B95258 #B9B352
monochromatic
#2A4C67 #3B6C93 #528CB9 #7EA9CB #A9C6DC
Accessibility & contrast
On white
3.61
#528CB9 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.81
#528CB9 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #528CB9
5.81:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##528CB9 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##528CB9 | 1.00 | 3.61 | 5.81 | 5.81 |
| #FFFFFF | 3.61 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.81 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.81 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#788CBB
Deuteranopia (green-blind)
#6B82B8
Tritanopia (blue-blind)
#00979B
Achromatopsia (no color)
#878787
Design tokens & code
CSS
--color: #528cb9; /* rgb */ color: rgb(82, 140, 185); /* oklch */ color: oklch(61.9% 0.092 243.4);
Tailwind
colors: {
custom: {
50: '#8aadce',
500: '#528cb9',
950: '#000000',
},
}SCSS
$custom: #528cb9; $custom-light: #8aadce; $custom-dark: #000000;
JSON
{
"hex": "#528cb9",
"rgb": {
"r": 82,
"g": 140,
"b": 185
},
"hsl": {
"h": 206.214,
"s": 42.387,
"l": 52.353
},
"oklch": {
"l": 0.61913,
"c": 0.09168,
"h": 243.4
},
"luminance": 0.24053
}Semantic roles & 50–950 ramp
primary
#528CB9
secondary
#CAB19D
accent
#8C56D2
background
#F8FAFC
surface
#F0F4F9
border
#CBCED2
text
#0C1013
muted
#7D7F82