#555FCD#555FCD
#555FCD is a mid, vivid blue. Relative luminance 0.145; OKLCH L 53.7% C 0.168 H 275.3°. Best body text is #FFFFFF at 5.38:1 contrast (WCAG AA passes).
Color values
| HEX | #555FCD |
|---|---|
| RGB | rgb(85, 95, 205) |
| HSL | hsl(235, 55%, 57%) |
| HSV | hsv(235, 59%, 80%) |
| CMYK | cmyk(58.5%, 53.7%, 0%, 19.6%) |
| CIE-LAB | lab(44.97, 28.79, -58.44) |
| CIE-LCH | lch(44.97, 65.15, 296.23°) |
| OKLab | oklab(53.69% 0.0155 -0.1675) |
| OKLCH | oklch(53.69% 0.168 275.3) |
| XYZ | xyz(18.8544, 14.5221, 59.5553) |
| Luminance | 0.1452 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Dark Periwinkle
#665FD1
ΔE00 3.10
Warm Blue
#4B57DB
ΔE00 3.13
Iris
#6258C4
ΔE00 3.83
Slate Blue
#6A5ACD
ΔE00 4.40
Light Indigo
#6D5ACF
ΔE00 4.91
Royal Blue
#4169E1
ΔE00 5.30
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#555FCD #CDC355
analogous
#559BCD #555FCD #8755CD
triadic
#555FCD #CD555F #5FCD55
tetradic
#555FCD #CD559B #CDC355 #55CD87
square
#555FCD #CD559B #CDC355 #55CD87
split-complementary
#555FCD #CD8755 #9BCD55
monochromatic
#262E82 #343EB1 #555FCD #848CDB #B4B8E9
Accessibility & contrast
On white
5.38
#555FCD on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.90
#555FCD on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #555FCD
5.38:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##555FCD | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##555FCD | 1.00 | 5.38 | 3.90 | 5.38 |
| #FFFFFF | 5.38 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.90 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.38 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#1870D1
Deuteranopia (green-blind)
#0065CB
Tritanopia (blue-blind)
#00788D
Achromatopsia (no color)
#6A6A6A
Design tokens & code
CSS
--color: #555fcd; /* rgb */ color: rgb(85, 95, 205); /* oklch */ color: oklch(53.7% 0.168 275.3);
Tailwind
colors: {
custom: {
50: '#8f8cdd',
500: '#555fcd',
950: '#000000',
},
}SCSS
$custom: #555fcd; $custom-light: #8f8cdd; $custom-dark: #000000;
JSON
{
"hex": "#555fcd",
"rgb": {
"r": 85,
"g": 95,
"b": 205
},
"hsl": {
"h": 235,
"s": 54.545,
"l": 56.863
},
"oklch": {
"l": 0.53688,
"c": 0.16818,
"h": 275.3
},
"luminance": 0.14523
}Semantic roles & 50–950 ramp
primary
#555FCD
secondary
#D7D3A6
accent
#D24ADE
background
#F9F8FD
surface
#F2F0FB
border
#CCCBD4
text
#0D0C15
muted
#7E7D83