#387ACD#387ACD
#387ACD is a mid, vivid cyan. Relative luminance 0.192; OKLCH L 57.8% C 0.145 H 255.6°. Best body text is #000000 at 4.83:1 contrast (WCAG AA passes).
Color values
| HEX | #387ACD |
|---|---|
| RGB | rgb(56, 122, 205) |
| HSL | hsl(213, 60%, 51%) |
| HSV | hsv(213, 73%, 80%) |
| CMYK | cmyk(72.7%, 40.5%, 0%, 19.6%) |
| CIE-LAB | lab(50.88, 7.15, -49.03) |
| CIE-LCH | lch(50.88, 49.55, 278.30°) |
| OKLab | oklab(57.83% -0.036 -0.14) |
| OKLCH | oklch(57.83% 0.145 255.6) |
| XYZ | xyz(19.6058, 19.1654, 60.4118) |
| Luminance | 0.1917 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Windows Blue
#3778BF
ΔE00 1.86
Bluish
#2976BB
ΔE00 3.52
Deep Sky Blue
#0D75F8
ΔE00 4.46
Steel Blue
#4682B4
ΔE00 4.48
Cool Blue
#4984B8
ΔE00 4.52
Medium Blue
#2C6FBB
ΔE00 4.58
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#387ACD #CD8B38
analogous
#38C4CD #387ACD #4038CD
triadic
#387ACD #CD387A #7ACD38
tetradic
#387ACD #CD38C4 #CD8B38 #38CD40
square
#387ACD #CD38C4 #CD8B38 #38CD40
split-complementary
#387ACD #CD4038 #C4CD38
monochromatic
#1C416F #285DA0 #387ACD #699BD9 #9ABBE6
Accessibility & contrast
On white
4.34
#387ACD on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.83
#387ACD on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #387ACD
4.83:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##387ACD | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##387ACD | 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)
#5381D0
Deuteranopia (green-blind)
#3A73CB
Tritanopia (blue-blind)
#008D99
Achromatopsia (no color)
#797979
Design tokens & code
CSS
--color: #387acd; /* rgb */ color: rgb(56, 122, 205); /* oklch */ color: oklch(57.8% 0.145 255.6);
Tailwind
colors: {
custom: {
50: '#819fdd',
500: '#387acd',
950: '#000000',
},
}SCSS
$custom: #387acd; $custom-light: #819fdd; $custom-dark: #000000;
JSON
{
"hex": "#387acd",
"rgb": {
"r": 56,
"g": 122,
"b": 205
},
"hsl": {
"h": 213.423,
"s": 59.839,
"l": 51.176
},
"oklch": {
"l": 0.57826,
"c": 0.14454,
"h": 255.6
},
"luminance": 0.19168
}Semantic roles & 50–950 ramp
primary
#387ACD
secondary
#D1B48F
accent
#9D45E3
background
#F8F9FD
surface
#F0F2FB
border
#CBCCD4
text
#0C0E15
muted
#7D7E83