#538AF1#538AF1
#538AF1 is a light, vivid blue. Relative luminance 0.264; OKLCH L 64.6% C 0.165 H 261.7°. Best body text is #000000 at 6.27:1 contrast (WCAG AA passes).
Color values
| HEX | #538AF1 |
|---|---|
| RGB | rgb(83, 138, 241) |
| HSL | hsl(219, 85%, 64%) |
| HSV | hsv(219, 66%, 95%) |
| CMYK | cmyk(65.6%, 42.7%, 0%, 5.5%) |
| CIE-LAB | lab(58.38, 14.16, -57.19) |
| CIE-LCH | lch(58.38, 58.92, 283.91°) |
| OKLab | oklab(64.58% -0.0237 -0.1633) |
| OKLCH | oklch(64.58% 0.165 261.7) |
| XYZ | xyz(28.5273, 26.3640, 86.7874) |
| Luminance | 0.2637 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Dodger Blue
#3E82FC
ΔE00 2.75
Soft Blue
#6488EA
ΔE00 2.86
Cornflowerblue
#6495ED
ΔE00 3.44
Dark Sky Blue
#448EE4
ΔE00 3.88
Azure
#007FFF
ΔE00 4.72
Dodgerblue
#1E90FF
ΔE00 5.11
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#538AF1 #F1BA53
analogous
#53D9F1 #538AF1 #6B53F1
triadic
#538AF1 #F1538A #8AF153
tetradic
#538AF1 #F153D9 #F1BA53 #53F16B
square
#538AF1 #F153D9 #F1BA53 #53F16B
split-complementary
#538AF1 #F16B53 #D9F153
monochromatic
#0F4BBA #1A64EC #538AF1 #8CB0F6 #C4D7FA
Accessibility & contrast
On white
3.35
#538AF1 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.27
#538AF1 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #538AF1
6.27:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##538AF1 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##538AF1 | 1.00 | 3.35 | 6.27 | 6.27 |
| #FFFFFF | 3.35 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.27 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.27 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5994F5
Deuteranopia (green-blind)
#3F86EF
Tritanopia (blue-blind)
#00A2B2
Achromatopsia (no color)
#8C8C8C
Design tokens & code
CSS
--color: #538af1; /* rgb */ color: rgb(83, 138, 241); /* oklch */ color: oklch(64.6% 0.165 261.7);
Tailwind
colors: {
custom: {
50: '#92abf6',
500: '#538af1',
950: '#000000',
},
}SCSS
$custom: #538af1; $custom-light: #92abf6; $custom-dark: #000000;
JSON
{
"hex": "#538af1",
"rgb": {
"r": 83,
"g": 138,
"b": 241
},
"hsl": {
"h": 219.114,
"s": 84.946,
"l": 63.529
},
"oklch": {
"l": 0.64577,
"c": 0.16501,
"h": 261.7
},
"luminance": 0.26367
}Semantic roles & 50–950 ramp
primary
#538AF1
secondary
#ECD8B4
accent
#9404E1
background
#F9FAFF
surface
#F2F4FE
border
#CCCED6
text
#0E1017
muted
#7E7F85