#4187C8#4187C8
#4187C8 is a mid, vivid cyan. Relative luminance 0.226; OKLCH L 60.8% C 0.122 H 249.0°. Best body text is #000000 at 5.52:1 contrast (WCAG AA passes).
Color values
| HEX | #4187C8 |
|---|---|
| RGB | rgb(65, 135, 200) |
| HSL | hsl(209, 55%, 52%) |
| HSV | hsv(209, 68%, 78%) |
| CMYK | cmyk(67.5%, 32.5%, 0%, 21.6%) |
| CIE-LAB | lab(54.68, -1.11, -40.15) |
| CIE-LCH | lch(54.68, 40.17, 268.42°) |
| OKLab | oklab(60.8% -0.0437 -0.1137) |
| OKLCH | oklch(60.8% 0.122 249) |
| XYZ | xyz(21.2654, 22.6197, 57.8777) |
| Luminance | 0.2262 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Cool Blue
#4984B8
ΔE00 2.09
Steel Blue
#4682B4
ΔE00 2.87
Cerulean (survey)
#0485D1
ΔE00 3.04
Water Blue
#0E87CC
ΔE00 3.49
Off Blue
#5684AE
ΔE00 3.83
Dark Sky Blue
#448EE4
ΔE00 3.86
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4187C8 #C88241
analogous
#41C8C6 #4187C8 #4144C8
triadic
#4187C8 #C84187 #87C841
tetradic
#4187C8 #C641C8 #C88241 #44C841
square
#4187C8 #C641C8 #C88241 #44C841
split-complementary
#4187C8 #C84144 #C8C641
monochromatic
#20496F #2E689E #4187C8 #70A5D6 #A0C3E3
Accessibility & contrast
On white
3.80
#4187C8 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.52
#4187C8 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #4187C8
5.52:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4187C8 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##4187C8 | 1.00 | 3.80 | 5.52 | 5.52 |
| #FFFFFF | 3.80 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.52 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.52 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6A8ACB
Deuteranopia (green-blind)
#577DC7
Tritanopia (blue-blind)
#00969E
Achromatopsia (no color)
#838383
Design tokens & code
CSS
--color: #4187c8; /* rgb */ color: rgb(65, 135, 200); /* oklch */ color: oklch(60.8% 0.122 249.0);
Tailwind
colors: {
custom: {
50: '#84a9d9',
500: '#4187c8',
950: '#000000',
},
}SCSS
$custom: #4187c8; $custom-light: #84a9d9; $custom-dark: #000000;
JSON
{
"hex": "#4187c8",
"rgb": {
"r": 65,
"g": 135,
"b": 200
},
"hsl": {
"h": 208.889,
"s": 55.102,
"l": 51.961
},
"oklch": {
"l": 0.60798,
"c": 0.12181,
"h": 249
},
"luminance": 0.22622
}Semantic roles & 50–950 ramp
primary
#4187C8
secondary
#D0B195
accent
#9149DE
background
#F8FAFD
surface
#F0F4FA
border
#CBCED3
text
#0C0F14
muted
#7D7F83