#555CA9#555CA9
#555CA9 is a mid, vivid blue. Relative luminance 0.124; OKLCH L 50.7% C 0.121 H 277.2°. Best body text is #FFFFFF at 6.02:1 contrast (WCAG AA passes).
Color values
| HEX | #555CA9 |
|---|---|
| RGB | rgb(85, 92, 169) |
| HSL | hsl(235, 33%, 50%) |
| HSV | hsv(235, 50%, 66%) |
| CMYK | cmyk(49.7%, 45.6%, 0%, 33.7%) |
| CIE-LAB | lab(41.92, 18.93, -42.36) |
| CIE-LCH | lch(41.92, 46.39, 294.07°) |
| OKLab | oklab(50.66% 0.0153 -0.1202) |
| OKLCH | oklch(50.66% 0.121 277.2) |
| XYZ | xyz(14.7327, 12.4493, 39.1551) |
| Luminance | 0.1245 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Dusky Blue
#475F94
ΔE00 4.98
Iris
#6258C4
ΔE00 5.38
Twilight
#4E518B
ΔE00 5.89
Denim Blue
#3B5B92
ΔE00 6.48
Dark Periwinkle
#665FD1
ΔE00 6.85
Slate Blue
#6A5ACD
ΔE00 7.02
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#555CA9 #A9A255
analogous
#5586A9 #555CA9 #7855A9
triadic
#555CA9 #A9555C #5CA955
tetradic
#555CA9 #A95586 #A9A255 #55A978
square
#555CA9 #A95586 #A9A255 #55A978
split-complementary
#555CA9 #A97855 #86A955
monochromatic
#2C3058 #414680 #555CA9 #7D83BE #A6AAD2
Accessibility & contrast
On white
6.02
#555CA9 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.49
#555CA9 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #555CA9
6.02:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##555CA9 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##555CA9 | 1.00 | 6.02 | 3.49 | 6.02 |
| #FFFFFF | 6.02 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.49 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.02 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#3C66AC
Deuteranopia (green-blind)
#3560A7
Tritanopia (blue-blind)
#346C7A
Achromatopsia (no color)
#636363
Design tokens & code
CSS
--color: #555ca9; /* rgb */ color: rgb(85, 92, 169); /* oklch */ color: oklch(50.7% 0.121 277.2);
Tailwind
colors: {
custom: {
50: '#8a8ac3',
500: '#555ca9',
950: '#000000',
},
}SCSS
$custom: #555ca9; $custom-light: #8a8ac3; $custom-dark: #000000;
JSON
{
"hex": "#555ca9",
"rgb": {
"r": 85,
"g": 92,
"b": 169
},
"hsl": {
"h": 235,
"s": 33.071,
"l": 49.804
},
"oklch": {
"l": 0.50656,
"c": 0.1212,
"h": 277.2
},
"luminance": 0.1245
}Semantic roles & 50–950 ramp
primary
#555CA9
secondary
#C0BD9A
accent
#C05FC9
background
#F8F8FC
surface
#F0F0F8
border
#CBCBD1
text
#0C0B12
muted
#7D7C81