#537FFC#537FFC
#537FFC is a light, vivid blue. Relative luminance 0.240; OKLCH L 63.1% C 0.192 H 266.4°. Best body text is #000000 at 5.81:1 contrast (WCAG AA passes).
Color values
| HEX | #537FFC |
|---|---|
| RGB | rgb(83, 127, 252) |
| HSL | hsl(224, 97%, 66%) |
| HSV | hsv(224, 67%, 99%) |
| CMYK | cmyk(67.1%, 49.6%, 0%, 1.2%) |
| CIE-LAB | lab(56.13, 24.62, -66.88) |
| CIE-LCH | lch(56.13, 71.27, 290.21°) |
| OKLab | oklab(63.07% -0.0122 -0.192) |
| OKLCH | oklch(63.07% 0.192 266.4) |
| XYZ | xyz(28.7212, 24.0432, 95.2038) |
| Luminance | 0.2405 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Lightish Blue
#3D7AFD
ΔE00 2.41
Dodger Blue
#3E82FC
ΔE00 2.92
Soft Blue
#6488EA
ΔE00 3.46
Clear Blue
#247AFD
ΔE00 3.98
Cornflower
#6A79F7
ΔE00 4.33
Azure
#007FFF
ΔE00 5.24
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#537FFC #FCD053
analogous
#53D3FC #537FFC #7B53FC
triadic
#537FFC #FC537F #7FFC53
tetradic
#537FFC #FC53D3 #FCD053 #53FC7B
square
#537FFC #FC53D3 #FCD053 #53FC7B
split-complementary
#537FFC #FC7B53 #D3FC53
monochromatic
#0439D1 #1752FB #537FFC #8FACFD #CBD9FE
Accessibility & contrast
On white
3.61
#537FFC on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.81
#537FFC on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #537FFC
5.81:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##537FFC | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##537FFC | 1.00 | 3.61 | 5.81 | 5.81 |
| #FFFFFF | 3.61 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.81 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.81 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#368FFF
Deuteranopia (green-blind)
#007FF9
Tritanopia (blue-blind)
#009CB2
Achromatopsia (no color)
#878787
Design tokens & code
CSS
--color: #537ffc; /* rgb */ color: rgb(83, 127, 252); /* oklch */ color: oklch(63.1% 0.192 266.4);
Tailwind
colors: {
custom: {
50: '#95a3fe',
500: '#537ffc',
950: '#000000',
},
}SCSS
$custom: #537ffc; $custom-light: #95a3fe; $custom-dark: #000000;
JSON
{
"hex": "#537ffc",
"rgb": {
"r": 83,
"g": 127,
"b": 252
},
"hsl": {
"h": 224.379,
"s": 96.571,
"l": 65.686
},
"oklch": {
"l": 0.63065,
"c": 0.19235,
"h": 266.4
},
"luminance": 0.24046
}Semantic roles & 50–950 ramp
primary
#537FFC
secondary
#F2E3B9
accent
#AA00E6
background
#F9FAFF
surface
#F2F3FF
border
#CCCDD7
text
#0F0F18
muted
#7E7F86