#537CE8#537CE8
#537CE8 is a mid, vivid blue. Relative luminance 0.221; OKLCH L 61.1% C 0.169 H 265.9°. Best body text is #000000 at 5.42:1 contrast (WCAG AA passes).
Color values
| HEX | #537CE8 |
|---|---|
| RGB | rgb(83, 124, 232) |
| HSL | hsl(223, 76%, 62%) |
| HSV | hsv(223, 64%, 91%) |
| CMYK | cmyk(64.2%, 46.6%, 0%, 9%) |
| CIE-LAB | lab(54.11, 19.59, -59.03) |
| CIE-LCH | lch(54.11, 62.19, 288.36°) |
| OKLab | oklab(61.13% -0.012 -0.1689) |
| OKLCH | oklch(61.13% 0.169 265.9) |
| XYZ | xyz(25.3354, 22.0781, 79.2546) |
| Luminance | 0.2208 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Lightish Blue
#3D7AFD
ΔE00 2.56
Dodger Blue
#3E82FC
ΔE00 3.66
Clear Blue
#247AFD
ΔE00 3.70
Soft Blue
#6488EA
ΔE00 4.06
Deep Sky Blue
#0D75F8
ΔE00 4.60
Cornflower Blue
#5170D7
ΔE00 4.70
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#537CE8 #E8BF53
analogous
#53C7E8 #537CE8 #7553E8
triadic
#537CE8 #E8537C #7CE853
tetradic
#537CE8 #E853C7 #E8BF53 #53E875
square
#537CE8 #E853C7 #E8BF53 #53E875
split-complementary
#537CE8 #E87553 #C7E853
monochromatic
#173FAA #1E53E0 #537CE8 #89A5EF #BFCEF6
Accessibility & contrast
On white
3.88
#537CE8 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.42
#537CE8 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #537CE8
5.42:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##537CE8 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##537CE8 | 1.00 | 3.88 | 5.42 | 5.42 |
| #FFFFFF | 3.88 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.42 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.42 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4589EC
Deuteranopia (green-blind)
#287BE6
Tritanopia (blue-blind)
#0095A7
Achromatopsia (no color)
#818181
Design tokens & code
CSS
--color: #537ce8; /* rgb */ color: rgb(83, 124, 232); /* oklch */ color: oklch(61.1% 0.169 265.9);
Tailwind
colors: {
custom: {
50: '#91a1f0',
500: '#537ce8',
950: '#000000',
},
}SCSS
$custom: #537ce8; $custom-light: #91a1f0; $custom-dark: #000000;
JSON
{
"hex": "#537ce8",
"rgb": {
"r": 83,
"g": 124,
"b": 232
},
"hsl": {
"h": 223.49,
"s": 76.41,
"l": 61.765
},
"oklch": {
"l": 0.61128,
"c": 0.16932,
"h": 265.9
},
"luminance": 0.2208
}Semantic roles & 50–950 ramp
primary
#537CE8
secondary
#E7D8B0
accent
#A10DD9
background
#F9F9FE
surface
#F2F2FD
border
#CCCCD5
text
#0E0E17
muted
#7E7E85