#555ED9#555ED9
#555ED9 is a mid, vivid blue. Relative luminance 0.149; OKLCH L 54.4% C 0.186 H 275.2°. Best body text is #FFFFFF at 5.26:1 contrast (WCAG AA passes).
Color values
| HEX | #555ED9 |
|---|---|
| RGB | rgb(85, 94, 217) |
| HSL | hsl(236, 63%, 59%) |
| HSV | hsv(236, 61%, 85%) |
| CMYK | cmyk(60.8%, 56.7%, 0%, 14.9%) |
| CIE-LAB | lab(45.56, 33.39, -64.36) |
| CIE-LCH | lch(45.56, 72.50, 297.42°) |
| OKLab | oklab(54.39% 0.0168 -0.1849) |
| OKLCH | oklch(54.39% 0.186 275.2) |
| XYZ | xyz(20.2693, 14.9448, 67.4487) |
| Luminance | 0.1495 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Warm Blue
#4B57DB
ΔE00 2.34
Dark Periwinkle
#665FD1
ΔE00 2.95
Slate Blue
#6A5ACD
ΔE00 4.31
Iris
#6258C4
ΔE00 4.31
Light Indigo
#6D5ACF
ΔE00 4.68
Azul
#1D5DEC
ΔE00 4.99
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#555ED9 #D9D055
analogous
#55A0D9 #555ED9 #8E55D9
triadic
#555ED9 #D9555E #5ED955
tetradic
#555ED9 #D955A0 #D9D055 #55D98E
square
#555ED9 #D955A0 #D9D055 #55D98E
split-complementary
#555ED9 #D98E55 #A0D955
monochromatic
#212993 #2C36C5 #555ED9 #878DE4 #B9BDEF
Accessibility & contrast
On white
5.26
#555ED9 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.99
#555ED9 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #555ED9
5.26:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##555ED9 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##555ED9 | 1.00 | 5.26 | 3.99 | 5.26 |
| #FFFFFF | 5.26 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.99 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.26 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0072DD
Deuteranopia (green-blind)
#0066D7
Tritanopia (blue-blind)
#007B92
Achromatopsia (no color)
#6C6C6C
Design tokens & code
CSS
--color: #555ed9; /* rgb */ color: rgb(85, 94, 217); /* oklch */ color: oklch(54.4% 0.186 275.2);
Tailwind
colors: {
custom: {
50: '#918be6',
500: '#555ed9',
950: '#000000',
},
}SCSS
$custom: #555ed9; $custom-light: #918be6; $custom-dark: #000000;
JSON
{
"hex": "#555ed9",
"rgb": {
"r": 85,
"g": 94,
"b": 217
},
"hsl": {
"h": 235.909,
"s": 63.462,
"l": 59.216
},
"oklch": {
"l": 0.5439,
"c": 0.18565,
"h": 275.2
},
"luminance": 0.14946
}Semantic roles & 50–950 ramp
primary
#555ED9
secondary
#DFDBAB
accent
#DB41E6
background
#F9F8FE
surface
#F2F0FC
border
#CCCBD5
text
#0E0C16
muted
#7E7D84