#4388BF#4388BF
#4388BF is a mid, moderate cyan. Relative luminance 0.226; OKLCH L 60.6% C 0.109 H 245.1°. Best body text is #000000 at 5.51:1 contrast (WCAG AA passes).
Color values
| HEX | #4388BF |
|---|---|
| RGB | rgb(67, 136, 191) |
| HSL | hsl(207, 49%, 51%) |
| HSV | hsv(207, 65%, 75%) |
| CMYK | cmyk(64.9%, 28.8%, 0%, 25.1%) |
| CIE-LAB | lab(54.62, -4.44, -35.13) |
| CIE-LCH | lch(54.62, 35.41, 262.80°) |
| OKLab | oklab(60.63% -0.046 -0.0991) |
| OKLCH | oklch(60.63% 0.109 245.1) |
| XYZ | xyz(20.5193, 22.5611, 52.5535) |
| Luminance | 0.2256 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Cool Blue
#4984B8
ΔE00 1.81
Steel Blue
#4682B4
ΔE00 2.39
Water Blue
#0E87CC
ΔE00 2.92
Cerulean (survey)
#0485D1
ΔE00 3.08
Off Blue
#5684AE
ΔE00 3.41
Dusty Blue
#5A86AD
ΔE00 3.69
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4388BF #BF7A43
analogous
#43BFB8 #4388BF #434ABF
triadic
#4388BF #BF4388 #88BF43
tetradic
#4388BF #B843BF #BF7A43 #4ABF43
square
#4388BF #B843BF #BF7A43 #4ABF43
split-complementary
#4388BF #BF434A #BFB843
monochromatic
#224865 #326893 #4388BF #71A5CF #9EC2DE
Accessibility & contrast
On white
3.81
#4388BF on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.51
#4388BF on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #4388BF
5.51:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4388BF | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##4388BF | 1.00 | 3.81 | 5.51 | 5.51 |
| #FFFFFF | 3.81 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.51 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.51 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#7089C1
Deuteranopia (green-blind)
#5F7DBE
Tritanopia (blue-blind)
#00959B
Achromatopsia (no color)
#838383
Design tokens & code
CSS
--color: #4388bf; /* rgb */ color: rgb(67, 136, 191); /* oklch */ color: oklch(60.6% 0.109 245.1);
Tailwind
colors: {
custom: {
50: '#83aad2',
500: '#4388bf',
950: '#000000',
},
}SCSS
$custom: #4388bf; $custom-light: #83aad2; $custom-dark: #000000;
JSON
{
"hex": "#4388bf",
"rgb": {
"r": 67,
"g": 136,
"b": 191
},
"hsl": {
"h": 206.613,
"s": 49.206,
"l": 50.588
},
"oklch": {
"l": 0.6063,
"c": 0.10922,
"h": 245.1
},
"luminance": 0.22563
}Semantic roles & 50–950 ramp
primary
#4388BF
secondary
#CAAC93
accent
#8C4FD9
background
#F8FAFC
surface
#F0F4F9
border
#CBCED2
text
#0C1014
muted
#7D7F82