#538FBA#538FBA
#538FBA is a light, moderate cyan. Relative luminance 0.250; OKLCH L 62.7% C 0.090 H 241.4°. Best body text is #000000 at 6.01:1 contrast (WCAG AA passes).
Color values
| HEX | #538FBA |
|---|---|
| RGB | rgb(83, 143, 186) |
| HSL | hsl(205, 43%, 53%) |
| HSV | hsv(205, 55%, 73%) |
| CMYK | cmyk(55.4%, 23.1%, 0%, 27.1%) |
| CIE-LAB | lab(57.10, -6.94, -28.37) |
| CIE-LCH | lch(57.10, 29.21, 256.25°) |
| OKLab | oklab(62.7% -0.0433 -0.0793) |
| OKLCH | oklch(62.7% 0.09 241.4) |
| XYZ | xyz(22.2494, 25.0272, 50.1031) |
| Luminance | 0.2503 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dusty Blue
#5A86AD
ΔE00 3.83
Cool Blue
#4984B8
ΔE00 4.28
Off Blue
#5684AE
ΔE00 4.34
Faded Blue
#658CBB
ΔE00 4.83
Steel Blue
#4682B4
ΔE00 4.84
Water Blue
#0E87CC
ΔE00 5.35
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#538FBA #BA7E53
analogous
#53BAB2 #538FBA #535BBA
triadic
#538FBA #BA538F #8FBA53
tetradic
#538FBA #B253BA #BA7E53 #5BBA53
square
#538FBA #B253BA #BA7E53 #5BBA53
split-complementary
#538FBA #BA535B #BAB253
monochromatic
#2A4E69 #3B6F94 #538FBA #7FABCC #AAC8DD
Accessibility & contrast
On white
3.50
#538FBA on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.01
#538FBA on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #538FBA
6.01:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##538FBA | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##538FBA | 1.00 | 3.50 | 6.01 | 6.01 |
| #FFFFFF | 3.50 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.01 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.01 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#7C8FBC
Deuteranopia (green-blind)
#6E84B9
Tritanopia (blue-blind)
#009A9D
Achromatopsia (no color)
#898989
Design tokens & code
CSS
--color: #538fba; /* rgb */ color: rgb(83, 143, 186); /* oklch */ color: oklch(62.7% 0.090 241.4);
Tailwind
colors: {
custom: {
50: '#8bafcf',
500: '#538fba',
950: '#000000',
},
}SCSS
$custom: #538fba; $custom-light: #8bafcf; $custom-dark: #000000;
JSON
{
"hex": "#538fba",
"rgb": {
"r": 83,
"g": 143,
"b": 186
},
"hsl": {
"h": 205.049,
"s": 42.739,
"l": 52.745
},
"oklch": {
"l": 0.627,
"c": 0.09037,
"h": 241.4
},
"luminance": 0.25029
}Semantic roles & 50–950 ramp
primary
#538FBA
secondary
#CBB19E
accent
#8A55D3
background
#F8FAFC
surface
#F0F4F9
border
#CBCED2
text
#0C1013
muted
#7D7F82