#537BEC#537BEC
#537BEC is a mid, vivid blue. Relative luminance 0.221; OKLCH L 61.2% C 0.176 H 266.6°. Best body text is #000000 at 5.41:1 contrast (WCAG AA passes).
Color values
| HEX | #537BEC |
|---|---|
| RGB | rgb(83, 123, 236) |
| HSL | hsl(224, 80%, 63%) |
| HSV | hsv(224, 65%, 93%) |
| CMYK | cmyk(64.8%, 47.9%, 0%, 7.5%) |
| CIE-LAB | lab(54.09, 21.57, -61.30) |
| CIE-LCH | lch(54.09, 64.98, 289.39°) |
| OKLab | oklab(61.19% -0.0105 -0.1756) |
| OKLCH | oklch(61.19% 0.176 266.6) |
| XYZ | xyz(25.7853, 22.0586, 82.2395) |
| Luminance | 0.2206 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Lightish Blue
#3D7AFD
ΔE00 2.34
Clear Blue
#247AFD
ΔE00 3.74
Dodger Blue
#3E82FC
ΔE00 3.83
Soft Blue
#6488EA
ΔE00 4.28
Cornflower
#6A79F7
ΔE00 4.37
Deep Sky Blue
#0D75F8
ΔE00 4.62
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#537BEC #ECC453
analogous
#53C7EC #537BEC #7853EC
triadic
#537BEC #EC537B #7BEC53
tetradic
#537BEC #EC53C7 #ECC453 #53EC78
square
#537BEC #EC53C7 #ECC453 #53EC78
split-complementary
#537BEC #EC7853 #C7EC53
monochromatic
#143DB1 #1C51E6 #537BEC #8AA5F2 #C1D0F8
Accessibility & contrast
On white
3.88
#537BEC on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.41
#537BEC on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #537BEC
5.41:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##537BEC | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##537BEC | 1.00 | 3.88 | 5.41 | 5.41 |
| #FFFFFF | 3.88 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.41 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.41 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#3F89F0
Deuteranopia (green-blind)
#1B7BEA
Tritanopia (blue-blind)
#0095A8
Achromatopsia (no color)
#818181
Design tokens & code
CSS
--color: #537bec; /* rgb */ color: rgb(83, 123, 236); /* oklch */ color: oklch(61.2% 0.176 266.6);
Tailwind
colors: {
custom: {
50: '#92a0f3',
500: '#537bec',
950: '#000000',
},
}SCSS
$custom: #537bec; $custom-light: #92a0f3; $custom-dark: #000000;
JSON
{
"hex": "#537bec",
"rgb": {
"r": 83,
"g": 123,
"b": 236
},
"hsl": {
"h": 224.314,
"s": 80.105,
"l": 62.549
},
"oklch": {
"l": 0.61191,
"c": 0.1759,
"h": 266.6
},
"luminance": 0.22061
}Semantic roles & 50–950 ramp
primary
#537BEC
secondary
#E9DBB2
accent
#A509DC
background
#F9F9FE
surface
#F2F2FD
border
#CCCCD5
text
#0E0E17
muted
#7E7E85