#558FFC#558FFC
#558FFC is a light, vivid blue. Relative luminance 0.286; OKLCH L 66.4% C 0.173 H 261.8°. Best body text is #000000 at 6.72:1 contrast (WCAG AA passes).
Color values
| HEX | #558FFC |
|---|---|
| RGB | rgb(85, 143, 252) |
| HSL | hsl(219, 97%, 66%) |
| HSV | hsv(219, 66%, 99%) |
| CMYK | cmyk(66.3%, 43.3%, 0%, 1.2%) |
| CIE-LAB | lab(60.43, 15.23, -59.98) |
| CIE-LCH | lch(60.43, 61.88, 284.25°) |
| OKLab | oklab(66.38% -0.0248 -0.1714) |
| OKLCH | oklch(66.38% 0.173 261.8) |
| XYZ | xyz(31.1332, 28.6014, 95.9565) |
| Luminance | 0.2860 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cornflowerblue
#6495ED
ΔE00 2.32
Soft Blue
#6488EA
ΔE00 3.87
Dodger Blue
#3E82FC
ΔE00 4.13
Dark Sky Blue
#448EE4
ΔE00 4.25
Dodgerblue
#1E90FF
ΔE00 4.75
Azure
#007FFF
ΔE00 5.96
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#558FFC #FCC255
analogous
#55E2FC #558FFC #6E55FC
triadic
#558FFC #FC558F #8FFC55
tetradic
#558FFC #FC55E2 #FCC255 #55FC6E
square
#558FFC #FC55E2 #FCC255 #55FC6E
split-complementary
#558FFC #FC6E55 #E2FC55
monochromatic
#044CD3 #1967FB #558FFC #91B7FD #CDDEFE
Accessibility & contrast
On white
3.12
#558FFC on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.72
#558FFC on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #558FFC
6.72:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##558FFC | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##558FFC | 1.00 | 3.12 | 6.72 | 6.72 |
| #FFFFFF | 3.12 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.72 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.72 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5B9AFF
Deuteranopia (green-blind)
#3E8BFA
Tritanopia (blue-blind)
#00A8B9
Achromatopsia (no color)
#929292
Design tokens & code
CSS
--color: #558ffc; /* rgb */ color: rgb(85, 143, 252); /* oklch */ color: oklch(66.4% 0.173 261.8);
Tailwind
colors: {
custom: {
50: '#95affe',
500: '#558ffc',
950: '#000000',
},
}SCSS
$custom: #558ffc; $custom-light: #95affe; $custom-dark: #000000;
JSON
{
"hex": "#558ffc",
"rgb": {
"r": 85,
"g": 143,
"b": 252
},
"hsl": {
"h": 219.162,
"s": 96.532,
"l": 66.078
},
"oklch": {
"l": 0.66379,
"c": 0.17316,
"h": 261.8
},
"luminance": 0.28604
}Semantic roles & 50–950 ramp
primary
#558FFC
secondary
#F2DFBB
accent
#9600E6
background
#F9FAFF
surface
#F2F4FF
border
#CCCED7
text
#0F1018
muted
#7E7F86