#387AB5#387AB5
#387AB5 is a mid, moderate cyan. Relative luminance 0.181; OKLCH L 56.4% C 0.114 H 248.3°. Best body text is #000000 at 4.62:1 contrast (WCAG AA passes).
Color values
| HEX | #387AB5 |
|---|---|
| RGB | rgb(56, 122, 181) |
| HSL | hsl(208, 53%, 46%) |
| HSV | hsv(208, 69%, 71%) |
| CMYK | cmyk(69.1%, 32.6%, 0%, 29%) |
| CIE-LAB | lab(49.61, -1.49, -37.28) |
| CIE-LCH | lch(49.61, 37.31, 267.71°) |
| OKLab | oklab(56.42% -0.0421 -0.1056) |
| OKLCH | oklch(56.42% 0.114 248.3) |
| XYZ | xyz(16.9278, 18.0942, 46.3075) |
| Luminance | 0.1810 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Bluish
#2976BB
ΔE00 1.75
Windows Blue
#3778BF
ΔE00 1.85
Flat Blue
#3C73A8
ΔE00 2.95
Steel Blue
#4682B4
ΔE00 3.19
Cool Blue
#4984B8
ΔE00 3.87
Dull Blue
#49759C
ΔE00 3.97
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#387AB5 #B57338
analogous
#38B5B2 #387AB5 #383CB5
triadic
#387AB5 #B5387A #7AB538
tetradic
#387AB5 #B238B5 #B57338 #3CB538
square
#387AB5 #B238B5 #B57338 #3CB538
split-complementary
#387AB5 #B5383C #B5B238
monochromatic
#1B3B58 #2A5A86 #387AB5 #5D98CD #8CB6DB
Accessibility & contrast
On white
4.55
#387AB5 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.62
#387AB5 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #387AB5
4.62:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##387AB5 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##387AB5 | 1.00 | 4.55 | 4.62 | 4.62 |
| #FFFFFF | 4.55 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.62 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.62 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#607DB8
Deuteranopia (green-blind)
#4E71B4
Tritanopia (blue-blind)
#00888F
Achromatopsia (no color)
#767676
Design tokens & code
CSS
--color: #387ab5; /* rgb */ color: rgb(56, 122, 181); /* oklch */ color: oklch(56.4% 0.114 248.3);
Tailwind
colors: {
custom: {
50: '#7da0cb',
500: '#387ab5',
950: '#000000',
},
}SCSS
$custom: #387ab5; $custom-light: #7da0cb; $custom-dark: #000000;
JSON
{
"hex": "#387ab5",
"rgb": {
"r": 56,
"g": 122,
"b": 181
},
"hsl": {
"h": 208.32,
"s": 52.743,
"l": 46.471
},
"oklch": {
"l": 0.56418,
"c": 0.11369,
"h": 248.3
},
"luminance": 0.18096
}Semantic roles & 50–950 ramp
primary
#387AB5
secondary
#C6A383
accent
#904CDC
background
#F8F9FC
surface
#EFF2F8
border
#CACCD1
text
#0B0E13
muted
#7C7E82