#556CE9#556CE9
#556CE9 is a mid, vivid blue. Relative luminance 0.185; OKLCH L 58.2% C 0.190 H 271.4°. Best body text is #000000 at 4.71:1 contrast (WCAG AA passes).
Color values
| HEX | #556CE9 |
|---|---|
| RGB | rgb(85, 108, 233) |
| HSL | hsl(231, 77%, 62%) |
| HSV | hsv(231, 64%, 91%) |
| CMYK | cmyk(63.5%, 53.6%, 0%, 8.6%) |
| CIE-LAB | lab(50.14, 30.11, -65.98) |
| CIE-LCH | lch(50.14, 72.52, 294.53°) |
| OKLab | oklab(58.17% 0.0047 -0.1895) |
| OKLCH | oklch(58.17% 0.19 271.4) |
| XYZ | xyz(23.8119, 18.5375, 79.3982) |
| Luminance | 0.1854 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cornflower Blue
#5170D7
ΔE00 3.04
Royal Blue
#4169E1
ΔE00 3.10
Bright Blue
#0165FC
ΔE00 5.07
Cornflower
#6A79F7
ΔE00 5.31
Cerulean Blue
#056EEE
ΔE00 6.18
Lightish Blue
#3D7AFD
ΔE00 6.24
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#556CE9 #E9D255
analogous
#55B6E9 #556CE9 #8855E9
triadic
#556CE9 #E9556C #6CE955
tetradic
#556CE9 #E955B6 #E9D255 #55E988
square
#556CE9 #E955B6 #E9D255 #55E988
split-complementary
#556CE9 #E98855 #B6E955
monochromatic
#162EAD #1F3DE2 #556CE9 #8B9BF0 #C1CAF7
Accessibility & contrast
On white
4.46
#556CE9 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.71
#556CE9 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #556CE9
4.71:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##556CE9 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##556CE9 | 1.00 | 4.46 | 4.71 | 4.71 |
| #FFFFFF | 4.46 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.71 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.71 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0F7EED
Deuteranopia (green-blind)
#0071E6
Tritanopia (blue-blind)
#008AA0
Achromatopsia (no color)
#777777
Design tokens & code
CSS
--color: #556ce9; /* rgb */ color: rgb(85, 108, 233); /* oklch */ color: oklch(58.2% 0.190 271.4);
Tailwind
colors: {
custom: {
50: '#9395f1',
500: '#556ce9',
950: '#000000',
},
}SCSS
$custom: #556ce9; $custom-light: #9395f1; $custom-dark: #000000;
JSON
{
"hex": "#556ce9",
"rgb": {
"r": 85,
"g": 108,
"b": 233
},
"hsl": {
"h": 230.676,
"s": 77.083,
"l": 62.353
},
"oklch": {
"l": 0.58169,
"c": 0.18957,
"h": 271.4
},
"luminance": 0.1854
}Semantic roles & 50–950 ramp
primary
#556CE9
secondary
#E8E0B2
accent
#B90CD9
background
#F9F9FE
surface
#F2F1FD
border
#CCCBD5
text
#0E0D17
muted
#7E7E85