#388CB4#388CB4
#388CB4 is a mid, moderate cyan. Relative luminance 0.229; OKLCH L 60.6% C 0.100 H 232.6°. Best body text is #000000 at 5.58:1 contrast (WCAG AA passes).
Color values
| HEX | #388CB4 |
|---|---|
| RGB | rgb(56, 140, 180) |
| HSL | hsl(199, 53%, 46%) |
| HSV | hsv(199, 69%, 71%) |
| CMYK | cmyk(68.9%, 22.2%, 0%, 29.4%) |
| CIE-LAB | lab(54.96, -12.26, -28.35) |
| CIE-LCH | lch(54.96, 30.89, 246.62°) |
| OKLab | oklab(60.64% -0.0609 -0.0796) |
| OKLCH | oklch(60.64% 0.1 232.6) |
| XYZ | xyz(19.2439, 22.8901, 46.5752) |
| Luminance | 0.2289 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dirty Blue
#3F829D
ΔE00 5.08
Water Blue
#0E87CC
ΔE00 6.01
Steel Blue
#4682B4
ΔE00 6.06
Dusty Blue
#5A86AD
ΔE00 6.16
Cool Blue
#4984B8
ΔE00 6.21
Off Blue
#5684AE
ΔE00 6.44
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#388CB4 #B46038
analogous
#38B49E #388CB4 #384EB4
triadic
#388CB4 #B4388C #8CB438
tetradic
#388CB4 #9E38B4 #B46038 #4EB438
square
#388CB4 #9E38B4 #B46038 #4EB438
split-complementary
#388CB4 #B4384E #B49E38
monochromatic
#1B4357 #296885 #388CB4 #5DA8CD #8BC1DB
Accessibility & contrast
On white
3.76
#388CB4 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.58
#388CB4 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #388CB4
5.58:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##388CB4 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##388CB4 | 1.00 | 3.76 | 5.58 | 5.58 |
| #FFFFFF | 3.76 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.58 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.58 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#788AB6
Deuteranopia (green-blind)
#677EB3
Tritanopia (blue-blind)
#009799
Achromatopsia (no color)
#848484
Design tokens & code
CSS
--color: #388cb4; /* rgb */ color: rgb(56, 140, 180); /* oklch */ color: oklch(60.6% 0.100 232.6);
Tailwind
colors: {
custom: {
50: '#7dadca',
500: '#388cb4',
950: '#000000',
},
}SCSS
$custom: #388cb4; $custom-light: #7dadca; $custom-dark: #000000;
JSON
{
"hex": "#388cb4",
"rgb": {
"r": 56,
"g": 140,
"b": 180
},
"hsl": {
"h": 199.355,
"s": 52.542,
"l": 46.275
},
"oklch": {
"l": 0.60639,
"c": 0.1002,
"h": 232.6
},
"luminance": 0.22892
}Semantic roles & 50–950 ramp
primary
#388CB4
secondary
#C59882
accent
#7A4CDC
background
#F8FAFC
surface
#EFF4F8
border
#CACED1
text
#0B1013
muted
#7C7F82