#538BDE#538BDE
#538BDE is a light, vivid blue. Relative luminance 0.256; OKLCH L 63.7% C 0.139 H 258.1°. Best body text is #000000 at 6.12:1 contrast (WCAG AA passes).
Color values
| HEX | #538BDE |
|---|---|
| RGB | rgb(83, 139, 222) |
| HSL | hsl(216, 68%, 60%) |
| HSV | hsv(216, 63%, 87%) |
| CMYK | cmyk(62.6%, 37.4%, 0%, 12.9%) |
| CIE-LAB | lab(57.63, 7.11, -47.82) |
| CIE-LCH | lch(57.63, 48.35, 278.46°) |
| OKLab | oklab(63.67% -0.0286 -0.1358) |
| OKLCH | oklch(63.67% 0.139 258.1) |
| XYZ | xyz(25.9800, 25.5757, 72.6606) |
| Luminance | 0.2558 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Dark Sky Blue
#448EE4
ΔE00 2.42
Dodger Blue
#3E82FC
ΔE00 3.90
Cornflowerblue
#6495ED
ΔE00 3.92
Faded Blue
#658CBB
ΔE00 4.07
Soft Blue
#6488EA
ΔE00 4.11
Dodgerblue
#1E90FF
ΔE00 4.49
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#538BDE #DEA653
analogous
#53D1DE #538BDE #6053DE
triadic
#538BDE #DE538B #8BDE53
tetradic
#538BDE #DE53D1 #DEA653 #53DE60
square
#538BDE #DE53D1 #DEA653 #53DE60
split-complementary
#538BDE #DE6053 #D1DE53
monochromatic
#1D4F99 #276ACD #538BDE #86AEE8 #BAD0F2
Accessibility & contrast
On white
3.43
#538BDE on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.12
#538BDE on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #538BDE
6.12:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##538BDE | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##538BDE | 1.00 | 3.43 | 6.12 | 6.12 |
| #FFFFFF | 3.43 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.12 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.12 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6792E1
Deuteranopia (green-blind)
#5384DC
Tritanopia (blue-blind)
#009EAA
Achromatopsia (no color)
#8A8A8A
Design tokens & code
CSS
--color: #538bde; /* rgb */ color: rgb(83, 139, 222); /* oklch */ color: oklch(63.7% 0.139 258.1);
Tailwind
colors: {
custom: {
50: '#8face9',
500: '#538bde',
950: '#000000',
},
}SCSS
$custom: #538bde; $custom-light: #8face9; $custom-dark: #000000;
JSON
{
"hex": "#538bde",
"rgb": {
"r": 83,
"g": 139,
"b": 222
},
"hsl": {
"h": 215.827,
"s": 67.805,
"l": 59.804
},
"oklch": {
"l": 0.63665,
"c": 0.13879,
"h": 258.1
},
"luminance": 0.25578
}Semantic roles & 50–950 ramp
primary
#538BDE
secondary
#E1CCAC
accent
#A53DEB
background
#F9FAFE
surface
#F2F4FD
border
#CCCED5
text
#0E1016
muted
#7E7F84