#387CB4#387CB4
#387CB4 is a mid, moderate cyan. Relative luminance 0.186; OKLCH L 56.8% C 0.111 H 246.3°. Best body text is #000000 at 4.71:1 contrast (WCAG AA passes).
Color values
| HEX | #387CB4 |
|---|---|
| RGB | rgb(56, 124, 180) |
| HSL | hsl(207, 53%, 46%) |
| HSV | hsv(207, 69%, 71%) |
| CMYK | cmyk(68.9%, 31.1%, 0%, 29.4%) |
| CIE-LAB | lab(50.16, -3.04, -35.85) |
| CIE-LCH | lch(50.16, 35.98, 265.16°) |
| OKLab | oklab(56.83% -0.0445 -0.1014) |
| OKLCH | oklch(56.83% 0.111 246.3) |
| XYZ | xyz(17.0736, 18.5495, 45.8518) |
| Luminance | 0.1855 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Steel Blue
#4682B4
ΔE00 2.49
Bluish
#2976BB
ΔE00 2.56
Windows Blue
#3778BF
ΔE00 2.72
Cool Blue
#4984B8
ΔE00 3.28
Nice Blue
#107AB0
ΔE00 3.64
Flat Blue
#3C73A8
ΔE00 3.68
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#387CB4 #B47038
analogous
#38B4AE #387CB4 #383EB4
triadic
#387CB4 #B4387C #7CB438
tetradic
#387CB4 #AE38B4 #B47038 #3EB438
square
#387CB4 #AE38B4 #B47038 #3EB438
split-complementary
#387CB4 #B4383E #B4AE38
monochromatic
#1B3C57 #295C85 #387CB4 #5D9ACD #8BB7DB
Accessibility & contrast
On white
4.46
#387CB4 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.71
#387CB4 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #387CB4
4.71:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##387CB4 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##387CB4 | 1.00 | 4.46 | 4.71 | 4.71 |
| #FFFFFF | 4.46 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.71 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.71 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#637EB6
Deuteranopia (green-blind)
#5272B3
Tritanopia (blue-blind)
#008990
Achromatopsia (no color)
#777777
Design tokens & code
CSS
--color: #387cb4; /* rgb */ color: rgb(56, 124, 180); /* oklch */ color: oklch(56.8% 0.111 246.3);
Tailwind
colors: {
custom: {
50: '#7da1ca',
500: '#387cb4',
950: '#000000',
},
}SCSS
$custom: #387cb4; $custom-light: #7da1ca; $custom-dark: #000000;
JSON
{
"hex": "#387cb4",
"rgb": {
"r": 56,
"g": 124,
"b": 180
},
"hsl": {
"h": 207.097,
"s": 52.542,
"l": 46.275
},
"oklch": {
"l": 0.56832,
"c": 0.11072,
"h": 246.3
},
"luminance": 0.18551
}Semantic roles & 50–950 ramp
primary
#387CB4
secondary
#C5A182
accent
#8D4CDC
background
#F8F9FC
surface
#EFF2F8
border
#CACCD1
text
#0B0F13
muted
#7C7E82