#4478BF#4478BF
#4478BF is a mid, vivid cyan. Relative luminance 0.184; OKLCH L 57.0% C 0.124 H 256.7°. Best body text is #000000 at 4.68:1 contrast (WCAG AA passes).
Color values
| HEX | #4478BF |
|---|---|
| RGB | rgb(68, 120, 191) |
| HSL | hsl(215, 49%, 51%) |
| HSV | hsv(215, 64%, 75%) |
| CMYK | cmyk(64.4%, 37.2%, 0%, 25.1%) |
| CIE-LAB | lab(50.00, 5.27, -42.39) |
| CIE-LCH | lch(50.00, 42.72, 277.09°) |
| OKLab | oklab(57.02% -0.0285 -0.1204) |
| OKLCH | oklch(57.02% 0.124 256.7) |
| XYZ | xyz(18.5010, 18.4217, 51.8609) |
| Luminance | 0.1842 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Windows Blue
#3778BF
ΔE00 1.87
Bluish
#2976BB
ΔE00 3.57
Flat Blue
#3C73A8
ΔE00 3.83
Medium Blue
#2C6FBB
ΔE00 3.86
Dull Blue
#49759C
ΔE00 4.76
Steel Blue
#4682B4
ΔE00 4.83
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4478BF #BF8B44
analogous
#44B5BF #4478BF #4D44BF
triadic
#4478BF #BF4478 #78BF44
tetradic
#4478BF #BF44B5 #BF8B44 #44BF4D
square
#4478BF #BF44B5 #BF8B44 #44BF4D
split-complementary
#4478BF #BF4D44 #B5BF44
monochromatic
#233F66 #325B93 #4478BF #7299CF #9FBADE
Accessibility & contrast
On white
4.48
#4478BF on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.68
#4478BF on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #4478BF
4.68:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4478BF | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##4478BF | 1.00 | 4.48 | 4.68 | 4.68 |
| #FFFFFF | 4.48 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.68 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.68 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#597DC2
Deuteranopia (green-blind)
#4872BE
Tritanopia (blue-blind)
#008892
Achromatopsia (no color)
#777777
Design tokens & code
CSS
--color: #4478bf; /* rgb */ color: rgb(68, 120, 191); /* oklch */ color: oklch(57.0% 0.124 256.7);
Tailwind
colors: {
custom: {
50: '#849ed2',
500: '#4478bf',
950: '#000000',
},
}SCSS
$custom: #4478bf; $custom-light: #849ed2; $custom-dark: #000000;
JSON
{
"hex": "#4478bf",
"rgb": {
"r": 68,
"g": 120,
"b": 191
},
"hsl": {
"h": 214.634,
"s": 49.004,
"l": 50.784
},
"oklch": {
"l": 0.57023,
"c": 0.12372,
"h": 256.7
},
"luminance": 0.18423
}Semantic roles & 50–950 ramp
primary
#4478BF
secondary
#CBB494
accent
#9F4FD9
background
#F8F9FC
surface
#F0F2F9
border
#CBCCD2
text
#0C0E14
muted
#7D7E82