#387BB8#387BB8
#387BB8 is a mid, moderate cyan. Relative luminance 0.185; OKLCH L 56.8% C 0.117 H 248.7°. Best body text is #000000 at 4.69:1 contrast (WCAG AA passes).
Color values
| HEX | #387BB8 |
|---|---|
| RGB | rgb(56, 123, 184) |
| HSL | hsl(209, 53%, 47%) |
| HSV | hsv(209, 70%, 72%) |
| CMYK | cmyk(69.6%, 33.2%, 0%, 27.8%) |
| CIE-LAB | lab(50.06, -1.02, -38.31) |
| CIE-LCH | lch(50.06, 38.33, 268.47°) |
| OKLab | oklab(56.82% -0.0423 -0.1086) |
| OKLCH | oklch(56.82% 0.117 248.7) |
| XYZ | xyz(17.3623, 18.4655, 47.9873) |
| Luminance | 0.1847 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Windows Blue
#3778BF
ΔE00 1.78
Bluish
#2976BB
ΔE00 1.99
Steel Blue
#4682B4
ΔE00 2.91
Flat Blue
#3C73A8
ΔE00 3.39
Cool Blue
#4984B8
ΔE00 3.52
Dull Blue
#49759C
ΔE00 4.36
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#387BB8 #B87538
analogous
#38B8B5 #387BB8 #383BB8
triadic
#387BB8 #B8387B #7BB838
tetradic
#387BB8 #B538B8 #B87538 #3BB838
square
#387BB8 #B538B8 #B87538 #3BB838
split-complementary
#387BB8 #B8383B #B8B538
monochromatic
#1B3C5A #2A5C89 #387BB8 #5F99CE #8EB7DD
Accessibility & contrast
On white
4.47
#387BB8 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.69
#387BB8 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #387BB8
4.69:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##387BB8 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##387BB8 | 1.00 | 4.47 | 4.69 | 4.69 |
| #FFFFFF | 4.47 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.69 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.69 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#607EBB
Deuteranopia (green-blind)
#4E72B7
Tritanopia (blue-blind)
#008991
Achromatopsia (no color)
#777777
Design tokens & code
CSS
--color: #387bb8; /* rgb */ color: rgb(56, 123, 184); /* oklch */ color: oklch(56.8% 0.117 248.7);
Tailwind
colors: {
custom: {
50: '#7da0cd',
500: '#387bb8',
950: '#000000',
},
}SCSS
$custom: #387bb8; $custom-light: #7da0cd; $custom-dark: #000000;
JSON
{
"hex": "#387bb8",
"rgb": {
"r": 56,
"g": 123,
"b": 184
},
"hsl": {
"h": 208.594,
"s": 53.333,
"l": 47.059
},
"oklch": {
"l": 0.56818,
"c": 0.11653,
"h": 248.7
},
"luminance": 0.18467
}Semantic roles & 50–950 ramp
primary
#387BB8
secondary
#C7A485
accent
#904BDD
background
#F8F9FC
surface
#EFF2F9
border
#CACCD2
text
#0B0E13
muted
#7C7E82