#556BCA#556BCA
#556BCA is a mid, vivid blue. Relative luminance 0.167; OKLCH L 55.8% C 0.148 H 271.1°. Best body text is #FFFFFF at 4.84:1 contrast (WCAG AA passes).
Color values
| HEX | #556BCA |
|---|---|
| RGB | rgb(85, 107, 202) |
| HSL | hsl(229, 52%, 56%) |
| HSV | hsv(229, 58%, 79%) |
| CMYK | cmyk(57.9%, 47%, 0%, 20.8%) |
| CIE-LAB | lab(47.89, 20.31, -52.02) |
| CIE-LCH | lch(47.89, 55.84, 291.33°) |
| OKLab | oklab(55.83% 0.0028 -0.1485) |
| OKLCH | oklch(55.83% 0.148 271.1) |
| XYZ | xyz(19.6611, 16.7094, 58.0548) |
| Luminance | 0.1671 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cornflower Blue
#5170D7
ΔE00 2.62
Royal Blue
#4169E1
ΔE00 3.50
French Blue
#436BAD
ΔE00 5.49
Dark Periwinkle
#665FD1
ΔE00 5.94
Azul
#1D5DEC
ΔE00 6.67
Bright Blue
#0165FC
ΔE00 6.80
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#556BCA #CAB455
analogous
#55A6CA #556BCA #7A55CA
triadic
#556BCA #CA556B #6BCA55
tetradic
#556BCA #CA55A6 #CAB455 #55CA7A
square
#556BCA #CA55A6 #CAB455 #55CA7A
split-complementary
#556BCA #CA7A55 #A6CA55
monochromatic
#27377D #364CAC #556BCA #8494D9 #B2BCE7
Accessibility & contrast
On white
4.84
#556BCA on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.34
#556BCA on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #556BCA
4.84:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##556BCA | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##556BCA | 1.00 | 4.84 | 4.34 | 4.84 |
| #FFFFFF | 4.84 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.34 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.84 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#3E77CE
Deuteranopia (green-blind)
#2C6DC8
Tritanopia (blue-blind)
#008091
Achromatopsia (no color)
#727272
Design tokens & code
CSS
--color: #556bca; /* rgb */ color: rgb(85, 107, 202); /* oklch */ color: oklch(55.8% 0.148 271.1);
Tailwind
colors: {
custom: {
50: '#8e95db',
500: '#556bca',
950: '#000000',
},
}SCSS
$custom: #556bca; $custom-light: #8e95db; $custom-dark: #000000;
JSON
{
"hex": "#556bca",
"rgb": {
"r": 85,
"g": 107,
"b": 202
},
"hsl": {
"h": 228.718,
"s": 52.466,
"l": 56.275
},
"oklch": {
"l": 0.55831,
"c": 0.14849,
"h": 271.1
},
"luminance": 0.16711
}Semantic roles & 50–950 ramp
primary
#556BCA
secondary
#D5CCA5
accent
#C14CDC
background
#F9F9FD
surface
#F1F1FB
border
#CBCBD4
text
#0D0D15
muted
#7E7E83