#388FB3#388FB3
#388FB3 is a mid, moderate cyan. Relative luminance 0.237; OKLCH L 61.3% C 0.098 H 229.0°. Best body text is #000000 at 5.75:1 contrast (WCAG AA passes).
Color values
| HEX | #388FB3 |
|---|---|
| RGB | rgb(56, 143, 179) |
| HSL | hsl(198, 52%, 46%) |
| HSV | hsv(198, 69%, 70%) |
| CMYK | cmyk(68.7%, 20.1%, 0%, 29.8%) |
| CIE-LAB | lab(55.82, -14.26, -26.44) |
| CIE-LCH | lch(55.82, 30.04, 241.67°) |
| OKLab | oklab(61.32% -0.0644 -0.0741) |
| OKLCH | oklch(61.32% 0.098 229) |
| XYZ | xyz(19.5868, 23.7382, 46.1887) |
| Luminance | 0.2374 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dirty Blue
#3F829D
ΔE00 5.15
Teal Blue
#01889F
ΔE00 6.95
Dusty Blue
#5A86AD
ΔE00 7.38
Steel Blue
#4682B4
ΔE00 7.75
Off Blue
#5684AE
ΔE00 7.81
Water Blue
#0E87CC
ΔE00 7.84
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#388FB3 #B35C38
analogous
#38B399 #388FB3 #3851B3
triadic
#388FB3 #B3388F #8FB338
tetradic
#388FB3 #9938B3 #B35C38 #51B338
square
#388FB3 #9938B3 #B35C38 #51B338
split-complementary
#388FB3 #B33851 #B39938
monochromatic
#1B4556 #296A84 #388FB3 #5CABCC #8BC3DB
Accessibility & contrast
On white
3.65
#388FB3 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.75
#388FB3 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #388FB3
5.75:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##388FB3 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##388FB3 | 1.00 | 3.65 | 5.75 | 5.75 |
| #FFFFFF | 3.65 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.75 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.75 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#7C8DB5
Deuteranopia (green-blind)
#6B80B3
Tritanopia (blue-blind)
#00999B
Achromatopsia (no color)
#868686
Design tokens & code
CSS
--color: #388fb3; /* rgb */ color: rgb(56, 143, 179); /* oklch */ color: oklch(61.3% 0.098 229.0);
Tailwind
colors: {
custom: {
50: '#7dafca',
500: '#388fb3',
950: '#000000',
},
}SCSS
$custom: #388fb3; $custom-light: #7dafca; $custom-dark: #000000;
JSON
{
"hex": "#388fb3",
"rgb": {
"r": 56,
"g": 143,
"b": 179
},
"hsl": {
"h": 197.561,
"s": 52.34,
"l": 46.078
},
"oklch": {
"l": 0.61315,
"c": 0.09813,
"h": 229
},
"luminance": 0.2374
}Semantic roles & 50–950 ramp
primary
#388FB3
secondary
#C59582
accent
#764CDC
background
#F8FAFC
surface
#EFF4F8
border
#CACED1
text
#0B1013
muted
#7C7F82