#538FDF#538FDF
#538FDF is a light, vivid cyan. Relative luminance 0.268; OKLCH L 64.6% C 0.136 H 256.2°. Best body text is #000000 at 6.36:1 contrast (WCAG AA passes).
Color values
| HEX | #538FDF |
|---|---|
| RGB | rgb(83, 143, 223) |
| HSL | hsl(214, 69%, 60%) |
| HSV | hsv(214, 63%, 87%) |
| CMYK | cmyk(62.8%, 35.9%, 0%, 12.5%) |
| CIE-LAB | lab(58.80, 5.08, -46.54) |
| CIE-LCH | lch(58.80, 46.81, 276.23°) |
| OKLab | oklab(64.59% -0.0324 -0.132) |
| OKLCH | oklch(64.59% 0.136 256.2) |
| XYZ | xyz(26.7042, 26.8091, 73.5651) |
| Luminance | 0.2681 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dark Sky Blue
#448EE4
ΔE00 1.58
Cornflowerblue
#6495ED
ΔE00 3.38
Dodgerblue
#1E90FF
ΔE00 3.57
Faded Blue
#658CBB
ΔE00 4.42
Dodger Blue
#3E82FC
ΔE00 4.88
Soft Blue
#6488EA
ΔE00 5.05
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#538FDF #DFA353
analogous
#53D5DF #538FDF #5D53DF
triadic
#538FDF #DF538F #8FDF53
tetradic
#538FDF #DF53D5 #DFA353 #53DF5D
square
#538FDF #DF53D5 #DFA353 #53DF5D
split-complementary
#538FDF #DF5D53 #D5DF53
monochromatic
#1D539B #266ECE #538FDF #87B1E9 #BAD2F2
Accessibility & contrast
On white
3.30
#538FDF on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.36
#538FDF on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #538FDF
6.36:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##538FDF | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##538FDF | 1.00 | 3.30 | 6.36 | 6.36 |
| #FFFFFF | 3.30 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.36 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.36 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6C95E2
Deuteranopia (green-blind)
#5987DD
Tritanopia (blue-blind)
#00A1AC
Achromatopsia (no color)
#8D8D8D
Design tokens & code
CSS
--color: #538fdf; /* rgb */ color: rgb(83, 143, 223); /* oklch */ color: oklch(64.6% 0.136 256.2);
Tailwind
colors: {
custom: {
50: '#90afe9',
500: '#538fdf',
950: '#000000',
},
}SCSS
$custom: #538fdf; $custom-light: #90afe9; $custom-dark: #000000;
JSON
{
"hex": "#538fdf",
"rgb": {
"r": 83,
"g": 143,
"b": 223
},
"hsl": {
"h": 214.286,
"s": 68.627,
"l": 60
},
"oklch": {
"l": 0.64589,
"c": 0.13593,
"h": 256.2
},
"luminance": 0.26812
}Semantic roles & 50–950 ramp
primary
#538FDF
secondary
#E2CBAC
accent
#A03CEB
background
#F9FAFE
surface
#F2F4FD
border
#CCCED5
text
#0E1016
muted
#7E7F84