#387BC5#387BC5
#387BC5 is a mid, vivid cyan. Relative luminance 0.190; OKLCH L 57.6% C 0.133 H 253.1°. Best body text is #000000 at 4.81:1 contrast (WCAG AA passes).
Color values
| HEX | #387BC5 |
|---|---|
| RGB | rgb(56, 123, 197) |
| HSL | hsl(211, 56%, 50%) |
| HSV | hsv(211, 72%, 77%) |
| CMYK | cmyk(71.6%, 37.6%, 0%, 22.7%) |
| CIE-LAB | lab(50.73, 3.64, -44.71) |
| CIE-LCH | lch(50.73, 44.86, 274.65°) |
| OKLab | oklab(57.57% -0.0388 -0.1273) |
| OKLCH | oklch(57.57% 0.133 253.1) |
| XYZ | xyz(18.7881, 19.0358, 55.4966) |
| Luminance | 0.1904 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Windows Blue
#3778BF
ΔE00 1.27
Bluish
#2976BB
ΔE00 2.75
Steel Blue
#4682B4
ΔE00 3.65
Cool Blue
#4984B8
ΔE00 3.83
Flat Blue
#3C73A8
ΔE00 4.28
Medium Blue
#2C6FBB
ΔE00 4.52
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#387BC5 #C58238
analogous
#38C2C5 #387BC5 #3B38C5
triadic
#387BC5 #C5387B #7BC538
tetradic
#387BC5 #C538C2 #C58238 #38C53B
square
#387BC5 #C538C2 #C58238 #38C53B
split-complementary
#387BC5 #C53B38 #C2C538
monochromatic
#1D3F66 #2A5D95 #387BC5 #679AD4 #96BAE1
Accessibility & contrast
On white
4.37
#387BC5 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.81
#387BC5 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #387BC5
4.81:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##387BC5 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##387BC5 | 1.00 | 4.37 | 4.81 | 4.81 |
| #FFFFFF | 4.37 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.81 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.81 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5980C8
Deuteranopia (green-blind)
#4473C4
Tritanopia (blue-blind)
#008C96
Achromatopsia (no color)
#797979
Design tokens & code
CSS
--color: #387bc5; /* rgb */ color: rgb(56, 123, 197); /* oklch */ color: oklch(57.6% 0.133 253.1);
Tailwind
colors: {
custom: {
50: '#80a0d7',
500: '#387bc5',
950: '#000000',
},
}SCSS
$custom: #387bc5; $custom-light: #80a0d7; $custom-dark: #000000;
JSON
{
"hex": "#387bc5",
"rgb": {
"r": 56,
"g": 123,
"b": 197
},
"hsl": {
"h": 211.489,
"s": 55.731,
"l": 49.608
},
"oklch": {
"l": 0.57565,
"c": 0.13307,
"h": 253.1
},
"luminance": 0.19038
}Semantic roles & 50–950 ramp
primary
#387BC5
secondary
#CDAE8C
accent
#9849DF
background
#F8F9FD
surface
#F0F2FA
border
#CBCCD3
text
#0B0E14
muted
#7C7E83