#4C55CF#4C55CF
#4C55CF is a mid, vivid blue. Relative luminance 0.125; OKLCH L 51.4% C 0.186 H 274.6°. Best body text is #FFFFFF at 5.99:1 contrast (WCAG AA passes).
Color values
| HEX | #4C55CF |
|---|---|
| RGB | rgb(76, 85, 207) |
| HSL | hsl(236, 58%, 55%) |
| HSV | hsv(236, 63%, 81%) |
| CMYK | cmyk(63.3%, 58.9%, 0%, 18.8%) |
| CIE-LAB | lab(42.06, 34.14, -64.34) |
| CIE-LCH | lch(42.06, 72.83, 297.95°) |
| OKLab | oklab(51.41% 0.0149 -0.1851) |
| OKLCH | oklch(51.41% 0.186 274.6) |
| XYZ | xyz(17.4878, 12.5370, 60.5177) |
| Luminance | 0.1254 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Warm Blue
#4B57DB
ΔE00 1.71
Iris
#6258C4
ΔE00 3.84
Dark Periwinkle
#665FD1
ΔE00 4.81
Slate Blue
#6A5ACD
ΔE00 4.95
Light Indigo
#6D5ACF
ΔE00 5.47
Azul
#1D5DEC
ΔE00 5.68
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4C55CF #CFC64C
analogous
#4C96CF #4C55CF #844CCF
triadic
#4C55CF #CF4C55 #55CF4C
tetradic
#4C55CF #CF4C96 #CFC64C #4CCF84
square
#4C55CF #CF4C96 #CFC64C #4CCF84
split-complementary
#4C55CF #CF844C #96CF4C
monochromatic
#22287F #2F38AF #4C55CF #7C83DC #ADB1E9
Accessibility & contrast
On white
5.99
#4C55CF on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.51
#4C55CF on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #4C55CF
5.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4C55CF | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##4C55CF | 1.00 | 5.99 | 3.51 | 5.99 |
| #FFFFFF | 5.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.51 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0069D3
Deuteranopia (green-blind)
#005ECD
Tritanopia (blue-blind)
#00738A
Achromatopsia (no color)
#636363
Design tokens & code
CSS
--color: #4c55cf; /* rgb */ color: rgb(76, 85, 207); /* oklch */ color: oklch(51.4% 0.186 274.6);
Tailwind
colors: {
custom: {
50: '#8c85df',
500: '#4c55cf',
950: '#000000',
},
}SCSS
$custom: #4c55cf; $custom-light: #8c85df; $custom-dark: #000000;
JSON
{
"hex": "#4c55cf",
"rgb": {
"r": 76,
"g": 85,
"b": 207
},
"hsl": {
"h": 235.878,
"s": 57.709,
"l": 55.49
},
"oklch": {
"l": 0.51409,
"c": 0.18575,
"h": 274.6
},
"luminance": 0.12538
}Semantic roles & 50–950 ramp
primary
#4C55CF
secondary
#D7D3A0
accent
#D647E1
background
#F9F8FD
surface
#F1EFFB
border
#CBCAD4
text
#0D0B15
muted
#7E7C83