#537AEC#537AEC
#537AEC is a mid, vivid blue. Relative luminance 0.218; OKLCH L 61.0% C 0.177 H 266.9°. Best body text is #000000 at 5.36:1 contrast (WCAG AA passes).
Color values
| HEX | #537AEC |
|---|---|
| RGB | rgb(83, 122, 236) |
| HSL | hsl(225, 80%, 63%) |
| HSV | hsv(225, 65%, 93%) |
| CMYK | cmyk(64.8%, 48.3%, 0%, 7.5%) |
| CIE-LAB | lab(53.83, 22.18, -61.72) |
| CIE-LCH | lch(53.83, 65.58, 289.77°) |
| OKLab | oklab(60.99% -0.0096 -0.1768) |
| OKLCH | oklch(60.99% 0.177 266.9) |
| XYZ | xyz(25.6619, 21.8118, 82.1983) |
| Luminance | 0.2181 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Lightish Blue
#3D7AFD
ΔE00 2.43
Clear Blue
#247AFD
ΔE00 3.85
Dodger Blue
#3E82FC
ΔE00 4.12
Cornflower
#6A79F7
ΔE00 4.23
Cornflower Blue
#5170D7
ΔE00 4.36
Soft Blue
#6488EA
ΔE00 4.57
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#537AEC #ECC553
analogous
#53C6EC #537AEC #7953EC
triadic
#537AEC #EC537A #7AEC53
tetradic
#537AEC #EC53C6 #ECC553 #53EC79
square
#537AEC #EC53C6 #ECC553 #53EC79
split-complementary
#537AEC #EC7953 #C6EC53
monochromatic
#143CB1 #1C4FE6 #537AEC #8AA5F2 #C1CFF8
Accessibility & contrast
On white
3.92
#537AEC on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.36
#537AEC on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #537AEC
5.36:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##537AEC | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##537AEC | 1.00 | 3.92 | 5.36 | 5.36 |
| #FFFFFF | 3.92 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.36 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.36 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#3D88F0
Deuteranopia (green-blind)
#167AEA
Tritanopia (blue-blind)
#0094A8
Achromatopsia (no color)
#818181
Design tokens & code
CSS
--color: #537aec; /* rgb */ color: rgb(83, 122, 236); /* oklch */ color: oklch(61.0% 0.177 266.9);
Tailwind
colors: {
custom: {
50: '#929ff3',
500: '#537aec',
950: '#000000',
},
}SCSS
$custom: #537aec; $custom-light: #929ff3; $custom-dark: #000000;
JSON
{
"hex": "#537aec",
"rgb": {
"r": 83,
"g": 122,
"b": 236
},
"hsl": {
"h": 224.706,
"s": 80.105,
"l": 62.549
},
"oklch": {
"l": 0.60991,
"c": 0.17709,
"h": 266.9
},
"luminance": 0.21814
}Semantic roles & 50–950 ramp
primary
#537AEC
secondary
#E9DBB2
accent
#A709DC
background
#F9F9FE
surface
#F2F2FD
border
#CCCCD5
text
#0E0E17
muted
#7E7E85