#556BDC#556BDC
#556BDC is a mid, vivid blue. Relative luminance 0.176; OKLCH L 57.1% C 0.173 H 271.6°. Best body text is #FFFFFF at 4.64:1 contrast (WCAG AA passes).
Color values
| HEX | #556BDC |
|---|---|
| RGB | rgb(85, 107, 220) |
| HSL | hsl(230, 66%, 60%) |
| HSV | hsv(230, 61%, 86%) |
| CMYK | cmyk(61.4%, 51.4%, 0%, 13.7%) |
| CIE-LAB | lab(49.02, 26.34, -60.46) |
| CIE-LCH | lch(49.02, 65.95, 293.55°) |
| OKLab | oklab(57.05% 0.0047 -0.1733) |
| OKLCH | oklch(57.05% 0.173 271.6) |
| XYZ | xyz(21.9180, 17.6122, 69.9407) |
| Luminance | 0.1761 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cornflower Blue
#5170D7
ΔE00 2.24
Royal Blue
#4169E1
ΔE00 2.52
Bright Blue
#0165FC
ΔE00 5.44
Dark Periwinkle
#665FD1
ΔE00 5.66
Azul
#1D5DEC
ΔE00 5.93
Cerulean Blue
#056EEE
ΔE00 6.21
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#556BDC #DCC655
analogous
#55AFDC #556BDC #8255DC
triadic
#556BDC #DC556B #6BDC55
tetradic
#556BDC #DC55AF #DCC655 #55DC82
square
#556BDC #DC55AF #DCC655 #55DC82
split-complementary
#556BDC #DC8255 #AFDC55
monochromatic
#1F3397 #2A44CA #556BDC #8897E6 #BBC3F1
Accessibility & contrast
On white
4.64
#556BDC on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.52
#556BDC on #000000
AA ✓AA large ✓AAA ✗
Best text color
#FFFFFF on #556BDC
4.64:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##556BDC | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##556BDC | 1.00 | 4.64 | 4.52 | 4.64 |
| #FFFFFF | 4.64 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.52 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.64 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#297BE0
Deuteranopia (green-blind)
#006FDA
Tritanopia (blue-blind)
#008599
Achromatopsia (no color)
#747474
Design tokens & code
CSS
--color: #556bdc; /* rgb */ color: rgb(85, 107, 220); /* oklch */ color: oklch(57.1% 0.173 271.6);
Tailwind
colors: {
custom: {
50: '#9195e8',
500: '#556bdc',
950: '#000000',
},
}SCSS
$custom: #556bdc; $custom-light: #9195e8; $custom-dark: #000000;
JSON
{
"hex": "#556bdc",
"rgb": {
"r": 85,
"g": 107,
"b": 220
},
"hsl": {
"h": 230.222,
"s": 65.854,
"l": 59.804
},
"oklch": {
"l": 0.57051,
"c": 0.17334,
"h": 271.6
},
"luminance": 0.17614
}Semantic roles & 50–950 ramp
primary
#556BDC
secondary
#E0D8AC
accent
#CD3FE9
background
#F9F9FE
surface
#F2F1FD
border
#CCCBD5
text
#0E0D16
muted
#7E7E84