#387FBC#387FBC
#387FBC is a mid, moderate cyan. Relative luminance 0.197; OKLCH L 58.0% C 0.118 H 247.5°. Best body text is #000000 at 4.93:1 contrast (WCAG AA passes).
Color values
| HEX | #387FBC |
|---|---|
| RGB | rgb(56, 127, 188) |
| HSL | hsl(208, 54%, 48%) |
| HSV | hsv(208, 70%, 74%) |
| CMYK | cmyk(70.2%, 32.4%, 0%, 26.3%) |
| CIE-LAB | lab(51.44, -1.99, -38.43) |
| CIE-LCH | lch(51.44, 38.49, 267.03°) |
| OKLab | oklab(57.97% -0.0451 -0.1089) |
| OKLCH | oklch(57.97% 0.118 247.5) |
| XYZ | xyz(18.2939, 19.6484, 50.3956) |
| Luminance | 0.1965 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Steel Blue
#4682B4
ΔE00 1.86
Cool Blue
#4984B8
ΔE00 2.32
Windows Blue
#3778BF
ΔE00 3.04
Bluish
#2976BB
ΔE00 3.39
Cerulean (survey)
#0485D1
ΔE00 3.41
Off Blue
#5684AE
ΔE00 3.98
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#387FBC #BC7538
analogous
#38BCB7 #387FBC #383DBC
triadic
#387FBC #BC387F #7FBC38
tetradic
#387FBC #B738BC #BC7538 #3DBC38
square
#387FBC #B738BC #BC7538 #3DBC38
split-complementary
#387FBC #BC383D #BCB738
monochromatic
#1C3F5E #2A5F8D #387FBC #619DD0 #90BADE
Accessibility & contrast
On white
4.26
#387FBC on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.93
#387FBC on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #387FBC
4.93:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##387FBC | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##387FBC | 1.00 | 4.26 | 4.93 | 4.93 |
| #FFFFFF | 4.26 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.93 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.93 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6481BF
Deuteranopia (green-blind)
#5175BB
Tritanopia (blue-blind)
#008E95
Achromatopsia (no color)
#7B7B7B
Design tokens & code
CSS
--color: #387fbc; /* rgb */ color: rgb(56, 127, 188); /* oklch */ color: oklch(58.0% 0.118 247.5);
Tailwind
colors: {
custom: {
50: '#7ea3d0',
500: '#387fbc',
950: '#000000',
},
}SCSS
$custom: #387fbc; $custom-light: #7ea3d0; $custom-dark: #000000;
JSON
{
"hex": "#387fbc",
"rgb": {
"r": 56,
"g": 127,
"b": 188
},
"hsl": {
"h": 207.727,
"s": 54.098,
"l": 47.843
},
"oklch": {
"l": 0.57969,
"c": 0.11787,
"h": 247.5
},
"luminance": 0.1965
}Semantic roles & 50–950 ramp
primary
#387FBC
secondary
#C9A587
accent
#8E4ADD
background
#F8FAFC
surface
#EFF3F9
border
#CACDD2
text
#0B0F14
muted
#7C7F82