#4478CF#4478CF
#4478CF is a mid, vivid blue. Relative luminance 0.192; OKLCH L 58.0% C 0.145 H 260.1°. Best body text is #000000 at 4.83:1 contrast (WCAG AA passes).
Color values
| HEX | #4478CF |
|---|---|
| RGB | rgb(68, 120, 207) |
| HSL | hsl(218, 59%, 54%) |
| HSV | hsv(218, 67%, 81%) |
| CMYK | cmyk(67.1%, 42%, 0%, 18.8%) |
| CIE-LAB | lab(50.88, 10.89, -50.14) |
| CIE-LCH | lch(50.88, 51.31, 282.25°) |
| OKLab | oklab(57.99% -0.025 -0.1431) |
| OKLCH | oklch(57.99% 0.145 260.1) |
| XYZ | xyz(20.3588, 19.1648, 61.6456) |
| Luminance | 0.1917 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Windows Blue
#3778BF
ΔE00 3.36
Deep Sky Blue
#0D75F8
ΔE00 4.10
Cornflower Blue
#5170D7
ΔE00 4.49
Cerulean Blue
#056EEE
ΔE00 4.49
Clear Blue
#247AFD
ΔE00 4.69
Medium Blue
#2C6FBB
ΔE00 5.03
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4478CF #CF9B44
analogous
#44BECF #4478CF #5644CF
triadic
#4478CF #CF4478 #78CF44
tetradic
#4478CF #CF44BE #CF9B44 #44CF56
square
#4478CF #CF44BE #CF9B44 #44CF56
split-complementary
#4478CF #CF5644 #BECF44
monochromatic
#1F4179 #2C5BAA #4478CF #759BDC #A5BEE8
Accessibility & contrast
On white
4.34
#4478CF on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.83
#4478CF on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #4478CF
4.83:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4478CF | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##4478CF | 1.00 | 4.34 | 4.83 | 4.83 |
| #FFFFFF | 4.34 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.83 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.83 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4F80D2
Deuteranopia (green-blind)
#3973CD
Tritanopia (blue-blind)
#008C99
Achromatopsia (no color)
#797979
Design tokens & code
CSS
--color: #4478cf; /* rgb */ color: rgb(68, 120, 207); /* oklch */ color: oklch(58.0% 0.145 260.1);
Tailwind
colors: {
custom: {
50: '#869ede',
500: '#4478cf',
950: '#000000',
},
}SCSS
$custom: #4478cf; $custom-light: #869ede; $custom-dark: #000000;
JSON
{
"hex": "#4478cf",
"rgb": {
"r": 68,
"g": 120,
"b": 207
},
"hsl": {
"h": 217.554,
"s": 59.149,
"l": 53.922
},
"oklch": {
"l": 0.57988,
"c": 0.14528,
"h": 260.1
},
"luminance": 0.19167
}Semantic roles & 50–950 ramp
primary
#4478CF
secondary
#D5BF9A
accent
#A845E2
background
#F8F9FD
surface
#F0F2FB
border
#CBCCD4
text
#0C0E15
muted
#7D7E83