#556FED#556FED
#556FED is a mid, vivid blue. Relative luminance 0.194; OKLCH L 59.0% C 0.191 H 270.7°. Best body text is #000000 at 4.88:1 contrast (WCAG AA passes).
Color values
| HEX | #556FED |
|---|---|
| RGB | rgb(85, 111, 237) |
| HSL | hsl(230, 81%, 63%) |
| HSV | hsv(230, 64%, 93%) |
| CMYK | cmyk(64.1%, 53.2%, 0%, 7.1%) |
| CIE-LAB | lab(51.17, 29.61, -66.56) |
| CIE-LCH | lch(51.17, 72.85, 293.98°) |
| OKLab | oklab(59.03% 0.0023 -0.1912) |
| OKLCH | oklch(59.03% 0.191 270.7) |
| XYZ | xyz(24.7117, 19.4124, 82.5490) |
| Luminance | 0.1941 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cornflower Blue
#5170D7
ΔE00 3.12
Royal Blue
#4169E1
ΔE00 3.69
Cornflower
#6A79F7
ΔE00 4.39
Lightish Blue
#3D7AFD
ΔE00 5.21
Bright Blue
#0165FC
ΔE00 5.36
Cerulean Blue
#056EEE
ΔE00 6.00
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#556FED #EDD355
analogous
#55BBED #556FED #8755ED
triadic
#556FED #ED556F #6FED55
tetradic
#556FED #ED55BB #EDD355 #55ED87
square
#556FED #ED55BB #EDD355 #55ED87
split-complementary
#556FED #ED8755 #BBED55
monochromatic
#132FB4 #1E40E7 #556FED #8C9EF3 #C4CDF9
Accessibility & contrast
On white
4.30
#556FED on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.88
#556FED on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #556FED
4.88:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##556FED | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##556FED | 1.00 | 4.30 | 4.88 | 4.88 |
| #FFFFFF | 4.30 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.88 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.88 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#1581F1
Deuteranopia (green-blind)
#0073EA
Tritanopia (blue-blind)
#008DA3
Achromatopsia (no color)
#7A7A7A
Design tokens & code
CSS
--color: #556fed; /* rgb */ color: rgb(85, 111, 237); /* oklch */ color: oklch(59.0% 0.191 270.7);
Tailwind
colors: {
custom: {
50: '#9498f4',
500: '#556fed',
950: '#000000',
},
}SCSS
$custom: #556fed; $custom-light: #9498f4; $custom-dark: #000000;
JSON
{
"hex": "#556fed",
"rgb": {
"r": 85,
"g": 111,
"b": 237
},
"hsl": {
"h": 229.737,
"s": 80.851,
"l": 63.137
},
"oklch": {
"l": 0.59025,
"c": 0.1912,
"h": 270.7
},
"luminance": 0.19415
}Semantic roles & 50–950 ramp
primary
#556FED
secondary
#EAE1B4
accent
#B908DD
background
#F9F9FF
surface
#F2F2FE
border
#CCCCD6
text
#0E0D17
muted
#7E7E85