#537AE3#537AE3
#537AE3 is a mid, vivid blue. Relative luminance 0.213; OKLCH L 60.4% C 0.165 H 266.2°. Best body text is #000000 at 5.26:1 contrast (WCAG AA passes).
Color values
| HEX | #537AE3 |
|---|---|
| RGB | rgb(83, 122, 227) |
| HSL | hsl(224, 72%, 61%) |
| HSV | hsv(224, 63%, 89%) |
| CMYK | cmyk(63.4%, 46.3%, 0%, 11%) |
| CIE-LAB | lab(53.28, 19.11, -57.56) |
| CIE-LCH | lch(53.28, 60.65, 288.36°) |
| OKLab | oklab(60.4% -0.0108 -0.1646) |
| OKLCH | oklch(60.4% 0.165 266.2) |
| XYZ | xyz(24.3872, 21.3019, 75.4846) |
| Luminance | 0.2130 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Lightish Blue
#3D7AFD
ΔE00 3.04
Cornflower Blue
#5170D7
ΔE00 3.82
Clear Blue
#247AFD
ΔE00 4.04
Dodger Blue
#3E82FC
ΔE00 4.43
Deep Sky Blue
#0D75F8
ΔE00 4.55
Soft Blue
#6488EA
ΔE00 4.78
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#537AE3 #E3BC53
analogous
#53C2E3 #537AE3 #7453E3
triadic
#537AE3 #E3537A #7AE353
tetradic
#537AE3 #E353C2 #E3BC53 #53E374
square
#537AE3 #E353C2 #E3BC53 #53E374
split-complementary
#537AE3 #E37453 #C2E353
monochromatic
#1A3FA1 #2353D6 #537AE3 #88A3EC #BCCBF4
Accessibility & contrast
On white
3.99
#537AE3 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.26
#537AE3 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #537AE3
5.26:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##537AE3 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##537AE3 | 1.00 | 3.99 | 5.26 | 5.26 |
| #FFFFFF | 3.99 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.26 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.26 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4686E7
Deuteranopia (green-blind)
#2B79E1
Tritanopia (blue-blind)
#0092A3
Achromatopsia (no color)
#7F7F7F
Design tokens & code
CSS
--color: #537ae3; /* rgb */ color: rgb(83, 122, 227); /* oklch */ color: oklch(60.4% 0.165 266.2);
Tailwind
colors: {
custom: {
50: '#919fec',
500: '#537ae3',
950: '#000000',
},
}SCSS
$custom: #537ae3; $custom-light: #919fec; $custom-dark: #000000;
JSON
{
"hex": "#537ae3",
"rgb": {
"r": 83,
"g": 122,
"b": 227
},
"hsl": {
"h": 223.75,
"s": 72,
"l": 60.784
},
"oklch": {
"l": 0.60396,
"c": 0.16496,
"h": 266.2
},
"luminance": 0.21304
}Semantic roles & 50–950 ramp
primary
#537AE3
secondary
#E4D5AE
accent
#9F11D4
background
#F9F9FE
surface
#F2F2FD
border
#CCCCD5
text
#0E0E16
muted
#7E7E84