#387AB3#387AB3
#387AB3 is a mid, moderate cyan. Relative luminance 0.180; OKLCH L 56.3% C 0.111 H 247.4°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).
Color values
| HEX | #387AB3 |
|---|---|
| RGB | rgb(56, 122, 179) |
| HSL | hsl(208, 52%, 46%) |
| HSV | hsv(208, 69%, 70%) |
| CMYK | cmyk(68.7%, 31.8%, 0%, 29.8%) |
| CIE-LAB | lab(49.51, -2.20, -36.28) |
| CIE-LCH | lch(49.51, 36.35, 266.53°) |
| OKLab | oklab(56.31% -0.0427 -0.1027) |
| OKLCH | oklch(56.31% 0.111 247.4) |
| XYZ | xyz(16.7240, 18.0127, 45.2345) |
| Luminance | 0.1801 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Bluish
#2976BB
ΔE00 1.87
Windows Blue
#3778BF
ΔE00 2.17
Flat Blue
#3C73A8
ΔE00 2.91
Steel Blue
#4682B4
ΔE00 3.16
Dull Blue
#49759C
ΔE00 3.82
Nice Blue
#107AB0
ΔE00 3.88
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#387AB3 #B37138
analogous
#38B3AE #387AB3 #383CB3
triadic
#387AB3 #B3387A #7AB338
tetradic
#387AB3 #AE38B3 #B37138 #3CB338
square
#387AB3 #AE38B3 #B37138 #3CB338
split-complementary
#387AB3 #B3383C #B3AE38
monochromatic
#1B3A56 #295A84 #387AB3 #5C98CC #8BB6DB
Accessibility & contrast
On white
4.56
#387AB3 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.60
#387AB3 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #387AB3
4.60:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##387AB3 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##387AB3 | 1.00 | 4.56 | 4.60 | 4.60 |
| #FFFFFF | 4.56 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.60 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.60 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#617CB5
Deuteranopia (green-blind)
#5070B2
Tritanopia (blue-blind)
#00888E
Achromatopsia (no color)
#767676
Design tokens & code
CSS
--color: #387ab3; /* rgb */ color: rgb(56, 122, 179); /* oklch */ color: oklch(56.3% 0.111 247.4);
Tailwind
colors: {
custom: {
50: '#7ca0ca',
500: '#387ab3',
950: '#000000',
},
}SCSS
$custom: #387ab3; $custom-light: #7ca0ca; $custom-dark: #000000;
JSON
{
"hex": "#387ab3",
"rgb": {
"r": 56,
"g": 122,
"b": 179
},
"hsl": {
"h": 207.805,
"s": 52.34,
"l": 46.078
},
"oklch": {
"l": 0.56309,
"c": 0.11122,
"h": 247.4
},
"luminance": 0.18014
}Semantic roles & 50–950 ramp
primary
#387AB3
secondary
#C5A182
accent
#8F4CDC
background
#F8F9FC
surface
#EFF2F8
border
#CACCD1
text
#0B0E13
muted
#7C7E82