#3875B8#3875B8
#3875B8 is a mid, vivid cyan. Relative luminance 0.170; OKLCH L 55.4% C 0.122 H 252.7°. Best body text is #FFFFFF at 4.77:1 contrast (WCAG AA passes).
Color values
| HEX | #3875B8 |
|---|---|
| RGB | rgb(56, 117, 184) |
| HSL | hsl(211, 53%, 47%) |
| HSV | hsv(211, 70%, 72%) |
| CMYK | cmyk(69.6%, 36.4%, 0%, 27.8%) |
| CIE-LAB | lab(48.29, 2.61, -41.10) |
| CIE-LCH | lch(48.29, 41.19, 273.63°) |
| OKLab | oklab(55.43% -0.0363 -0.1168) |
| OKLCH | oklch(55.43% 0.122 252.7) |
| XYZ | xyz(16.6407, 17.0223, 47.7467) |
| Luminance | 0.1702 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Windows Blue
#3778BF
ΔE00 1.31
Bluish
#2976BB
ΔE00 1.69
Flat Blue
#3C73A8
ΔE00 2.01
Medium Blue
#2C6FBB
ΔE00 2.19
Muted Blue
#3B719F
ΔE00 3.53
Dull Blue
#49759C
ΔE00 3.90
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3875B8 #B87B38
analogous
#38B5B8 #3875B8 #3B38B8
triadic
#3875B8 #B83875 #75B838
tetradic
#3875B8 #B838B5 #B87B38 #38B83B
square
#3875B8 #B838B5 #B87B38 #38B83B
split-complementary
#3875B8 #B83B38 #B5B838
monochromatic
#1B395A #2A5789 #3875B8 #5F94CE #8EB3DD
Accessibility & contrast
On white
4.77
#3875B8 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.40
#3875B8 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #3875B8
4.77:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3875B8 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3875B8 | 1.00 | 4.77 | 4.40 | 4.77 |
| #FFFFFF | 4.77 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.40 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.77 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5779BB
Deuteranopia (green-blind)
#446DB7
Tritanopia (blue-blind)
#00858E
Achromatopsia (no color)
#737373
Design tokens & code
CSS
--color: #3875b8; /* rgb */ color: rgb(56, 117, 184); /* oklch */ color: oklch(55.4% 0.122 252.7);
Tailwind
colors: {
custom: {
50: '#7d9ccd',
500: '#3875b8',
950: '#000000',
},
}SCSS
$custom: #3875b8; $custom-light: #7d9ccd; $custom-dark: #000000;
JSON
{
"hex": "#3875b8",
"rgb": {
"r": 56,
"g": 117,
"b": 184
},
"hsl": {
"h": 211.406,
"s": 53.333,
"l": 47.059
},
"oklch": {
"l": 0.55432,
"c": 0.12234,
"h": 252.7
},
"luminance": 0.17024
}Semantic roles & 50–950 ramp
primary
#3875B8
secondary
#C7A785
accent
#974BDD
background
#F8F9FC
surface
#EFF2F9
border
#CACCD2
text
#0B0E13
muted
#7C7E82