#555BA4#555BA4
#555BA4 is a mid, moderate blue. Relative luminance 0.121; OKLCH L 50.1% C 0.115 H 277.8°. Best body text is #FFFFFF at 6.14:1 contrast (WCAG AA passes).
Color values
| HEX | #555BA4 |
|---|---|
| RGB | rgb(85, 91, 164) |
| HSL | hsl(235, 32%, 49%) |
| HSV | hsv(235, 48%, 64%) |
| CMYK | cmyk(48.2%, 44.5%, 0%, 35.7%) |
| CIE-LAB | lab(41.36, 17.97, -40.29) |
| CIE-LCH | lch(41.36, 44.11, 294.04°) |
| OKLab | oklab(50.14% 0.0157 -0.1142) |
| OKLCH | oklch(50.14% 0.115 277.8) |
| XYZ | xyz(14.1862, 12.0930, 36.7014) |
| Luminance | 0.1209 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Dusky Blue
#475F94
ΔE00 4.82
Twilight
#4E518B
ΔE00 5.04
Iris
#6258C4
ΔE00 5.96
Denim Blue
#3B5B92
ΔE00 6.38
Dusk
#4E5481
ΔE00 6.58
Dark Periwinkle
#665FD1
ΔE00 7.59
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#555BA4 #A49E55
analogous
#5583A4 #555BA4 #7755A4
triadic
#555BA4 #A4555B #5BA455
tetradic
#555BA4 #A45583 #A49E55 #55A477
square
#555BA4 #A45583 #A49E55 #55A477
split-complementary
#555BA4 #A47755 #83A455
monochromatic
#2B2E53 #40457C #555BA4 #7B80BB #A4A7D0
Accessibility & contrast
On white
6.14
#555BA4 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.42
#555BA4 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #555BA4
6.14:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##555BA4 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##555BA4 | 1.00 | 6.14 | 3.42 | 6.14 |
| #FFFFFF | 6.14 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.42 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.14 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#3E65A7
Deuteranopia (green-blind)
#375FA2
Tritanopia (blue-blind)
#386A77
Achromatopsia (no color)
#626262
Design tokens & code
CSS
--color: #555ba4; /* rgb */ color: rgb(85, 91, 164); /* oklch */ color: oklch(50.1% 0.115 277.8);
Tailwind
colors: {
custom: {
50: '#8a89bf',
500: '#555ba4',
950: '#000000',
},
}SCSS
$custom: #555ba4; $custom-light: #8a89bf; $custom-dark: #000000;
JSON
{
"hex": "#555ba4",
"rgb": {
"r": 85,
"g": 91,
"b": 164
},
"hsl": {
"h": 235.443,
"s": 31.727,
"l": 48.824
},
"oklch": {
"l": 0.50138,
"c": 0.11525,
"h": 277.8
},
"luminance": 0.12094
}Semantic roles & 50–950 ramp
primary
#555BA4
secondary
#BDBA98
accent
#C060C8
background
#F8F8FB
surface
#F0F0F7
border
#CBCBD0
text
#0C0B12
muted
#7D7C81