#538FE1#538FE1
#538FE1 is a light, vivid cyan. Relative luminance 0.269; OKLCH L 64.7% C 0.139 H 256.7°. Best body text is #000000 at 6.38:1 contrast (WCAG AA passes).
Color values
| HEX | #538FE1 |
|---|---|
| RGB | rgb(83, 143, 225) |
| HSL | hsl(215, 70%, 60%) |
| HSV | hsv(215, 63%, 88%) |
| CMYK | cmyk(63.1%, 36.4%, 0%, 11.8%) |
| CIE-LAB | lab(58.90, 5.75, -47.49) |
| CIE-LCH | lch(58.90, 47.84, 276.90°) |
| OKLab | oklab(64.7% -0.032 -0.1348) |
| OKLCH | oklch(64.7% 0.139 256.7) |
| XYZ | xyz(26.9755, 26.9176, 74.9936) |
| Luminance | 0.2692 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dark Sky Blue
#448EE4
ΔE00 1.68
Cornflowerblue
#6495ED
ΔE00 3.22
Dodgerblue
#1E90FF
ΔE00 3.56
Faded Blue
#658CBB
ΔE00 4.53
Dodger Blue
#3E82FC
ΔE00 4.77
Soft Blue
#6488EA
ΔE00 4.92
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#538FE1 #E1A553
analogous
#53D6E1 #538FE1 #5E53E1
triadic
#538FE1 #E1538F #8FE153
tetradic
#538FE1 #E153D6 #E1A553 #53E15E
square
#538FE1 #E153D6 #E1A553 #53E15E
split-complementary
#538FE1 #E15E53 #D6E153
monochromatic
#1C539E #256ED2 #538FE1 #87B1EA #BBD3F3
Accessibility & contrast
On white
3.29
#538FE1 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.38
#538FE1 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #538FE1
6.38:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##538FE1 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##538FE1 | 1.00 | 3.29 | 6.38 | 6.38 |
| #FFFFFF | 3.29 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.38 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.38 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6B95E4
Deuteranopia (green-blind)
#5888DF
Tritanopia (blue-blind)
#00A2AD
Achromatopsia (no color)
#8E8E8E
Design tokens & code
CSS
--color: #538fe1; /* rgb */ color: rgb(83, 143, 225); /* oklch */ color: oklch(64.7% 0.139 256.7);
Tailwind
colors: {
custom: {
50: '#90afeb',
500: '#538fe1',
950: '#000000',
},
}SCSS
$custom: #538fe1; $custom-light: #90afeb; $custom-dark: #000000;
JSON
{
"hex": "#538fe1",
"rgb": {
"r": 83,
"g": 143,
"b": 225
},
"hsl": {
"h": 214.648,
"s": 70.297,
"l": 60.392
},
"oklch": {
"l": 0.647,
"c": 0.13853,
"h": 256.7
},
"luminance": 0.2692
}Semantic roles & 50–950 ramp
primary
#538FE1
secondary
#E3CCAD
accent
#8213D2
background
#F9FAFE
surface
#F2F4FD
border
#CCCED5
text
#0E1016
muted
#7E7F84