#538BE0#538BE0
#538BE0 is a light, vivid blue. Relative luminance 0.257; OKLCH L 63.8% C 0.141 H 258.5°. Best body text is #000000 at 6.14:1 contrast (WCAG AA passes).
Color values
| HEX | #538BE0 |
|---|---|
| RGB | rgb(83, 139, 224) |
| HSL | hsl(216, 69%, 60%) |
| HSV | hsv(216, 63%, 88%) |
| CMYK | cmyk(62.9%, 37.9%, 0%, 12.2%) |
| CIE-LAB | lab(57.74, 7.79, -48.77) |
| CIE-LCH | lch(57.74, 49.39, 279.07°) |
| OKLab | oklab(63.78% -0.0281 -0.1386) |
| OKLCH | oklch(63.78% 0.141 258.5) |
| XYZ | xyz(26.2497, 25.6836, 74.0806) |
| Luminance | 0.2569 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Dark Sky Blue
#448EE4
ΔE00 2.50
Dodger Blue
#3E82FC
ΔE00 3.77
Cornflowerblue
#6495ED
ΔE00 3.80
Soft Blue
#6488EA
ΔE00 3.96
Faded Blue
#658CBB
ΔE00 4.20
Dodgerblue
#1E90FF
ΔE00 4.49
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#538BE0 #E0A853
analogous
#53D2E0 #538BE0 #6153E0
triadic
#538BE0 #E0538B #8BE053
tetradic
#538BE0 #E053D2 #E0A853 #53E061
square
#538BE0 #E053D2 #E0A853 #53E061
split-complementary
#538BE0 #E06153 #D2E053
monochromatic
#1C4F9C #2669D0 #538BE0 #87AEE9 #BBD1F3
Accessibility & contrast
On white
3.42
#538BE0 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.14
#538BE0 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #538BE0
6.14:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##538BE0 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##538BE0 | 1.00 | 3.42 | 6.14 | 6.14 |
| #FFFFFF | 3.42 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.14 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.14 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6692E3
Deuteranopia (green-blind)
#5285DE
Tritanopia (blue-blind)
#009EAB
Achromatopsia (no color)
#8B8B8B
Design tokens & code
CSS
--color: #538be0; /* rgb */ color: rgb(83, 139, 224); /* oklch */ color: oklch(63.8% 0.141 258.5);
Tailwind
colors: {
custom: {
50: '#90acea',
500: '#538be0',
950: '#000000',
},
}SCSS
$custom: #538be0; $custom-light: #90acea; $custom-dark: #000000;
JSON
{
"hex": "#538be0",
"rgb": {
"r": 83,
"g": 139,
"b": 224
},
"hsl": {
"h": 216.17,
"s": 69.458,
"l": 60.196
},
"oklch": {
"l": 0.63779,
"c": 0.14143,
"h": 258.5
},
"luminance": 0.25686
}Semantic roles & 50–950 ramp
primary
#538BE0
secondary
#E2CDAC
accent
#8614D1
background
#F9FAFE
surface
#F2F4FD
border
#CCCED5
text
#0E1016
muted
#7E7F84