#538FDA#538FDA
#538FDA is a light, vivid cyan. Relative luminance 0.265; OKLCH L 64.3% C 0.129 H 254.9°. Best body text is #000000 at 6.31:1 contrast (WCAG AA passes).
Color values
| HEX | #538FDA |
|---|---|
| RGB | rgb(83, 143, 218) |
| HSL | hsl(213, 65%, 59%) |
| HSV | hsv(213, 62%, 85%) |
| CMYK | cmyk(61.9%, 34.4%, 0%, 14.5%) |
| CIE-LAB | lab(58.55, 3.41, -44.14) |
| CIE-LCH | lch(58.55, 44.27, 274.42°) |
| OKLab | oklab(64.31% -0.0337 -0.125) |
| OKLCH | oklch(64.31% 0.129 254.9) |
| XYZ | xyz(26.0401, 26.5434, 70.0672) |
| Luminance | 0.2655 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dark Sky Blue
#448EE4
ΔE00 1.46
Dodgerblue
#1E90FF
ΔE00 3.66
Cornflowerblue
#6495ED
ΔE00 3.82
Faded Blue
#658CBB
ΔE00 4.15
Dodger Blue
#3E82FC
ΔE00 5.18
Soft Blue
#6488EA
ΔE00 5.40
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#538FDA #DA9E53
analogous
#53D3DA #538FDA #5B53DA
triadic
#538FDA #DA538F #8FDA53
tetradic
#538FDA #DA53D3 #DA9E53 #53DA5B
square
#538FDA #DA53D3 #DA9E53 #53DA5B
split-complementary
#538FDA #DA5B53 #D3DA53
monochromatic
#205393 #2A6FC5 #538FDA #85B0E5 #B8D1F0
Accessibility & contrast
On white
3.33
#538FDA on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.31
#538FDA on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #538FDA
6.31:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##538FDA | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##538FDA | 1.00 | 3.33 | 6.31 | 6.31 |
| #FFFFFF | 3.33 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.31 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.31 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6F94DD
Deuteranopia (green-blind)
#5D87D8
Tritanopia (blue-blind)
#00A0AA
Achromatopsia (no color)
#8D8D8D
Design tokens & code
CSS
--color: #538fda; /* rgb */ color: rgb(83, 143, 218); /* oklch */ color: oklch(64.3% 0.129 254.9);
Tailwind
colors: {
custom: {
50: '#8fafe6',
500: '#538fda',
950: '#000000',
},
}SCSS
$custom: #538fda; $custom-light: #8fafe6; $custom-dark: #000000;
JSON
{
"hex": "#538fda",
"rgb": {
"r": 83,
"g": 143,
"b": 218
},
"hsl": {
"h": 213.333,
"s": 64.593,
"l": 59.02
},
"oklch": {
"l": 0.64314,
"c": 0.12946,
"h": 254.9
},
"luminance": 0.26546
}Semantic roles & 50–950 ramp
primary
#538FDA
secondary
#DFC7AA
accent
#9D40E8
background
#F9FAFE
surface
#F2F4FC
border
#CCCED5
text
#0D1016
muted
#7E7F84