#3F87C1#3F87C1
#3F87C1 is a mid, moderate cyan. Relative luminance 0.222; OKLCH L 60.3% C 0.114 H 245.6°. Best body text is #000000 at 5.45:1 contrast (WCAG AA passes).
Color values
| HEX | #3F87C1 |
|---|---|
| RGB | rgb(63, 135, 193) |
| HSL | hsl(207, 51%, 50%) |
| HSV | hsv(207, 67%, 76%) |
| CMYK | cmyk(67.4%, 30.1%, 0%, 24.3%) |
| CIE-LAB | lab(54.27, -3.85, -36.82) |
| CIE-LCH | lch(54.27, 37.02, 264.03°) |
| OKLab | oklab(60.35% -0.0471 -0.104) |
| OKLCH | oklch(60.35% 0.114 245.6) |
| XYZ | xyz(20.3359, 22.2328, 53.6614) |
| Luminance | 0.2223 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Cool Blue
#4984B8
ΔE00 1.77
Steel Blue
#4682B4
ΔE00 2.28
Water Blue
#0E87CC
ΔE00 2.62
Cerulean (survey)
#0485D1
ΔE00 2.63
Off Blue
#5684AE
ΔE00 3.62
Dusty Blue
#5A86AD
ΔE00 4.01
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3F87C1 #C1793F
analogous
#3FC1BA #3F87C1 #3F46C1
triadic
#3F87C1 #C13F87 #87C13F
tetradic
#3F87C1 #BA3FC1 #C1793F #46C13F
square
#3F87C1 #BA3FC1 #C1793F #46C13F
split-complementary
#3F87C1 #C13F46 #C1BA3F
monochromatic
#214665 #306793 #3F87C1 #6DA4D0 #9CC1DF
Accessibility & contrast
On white
3.86
#3F87C1 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.45
#3F87C1 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3F87C1
5.45:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3F87C1 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3F87C1 | 1.00 | 3.86 | 5.45 | 5.45 |
| #FFFFFF | 3.86 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.45 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.45 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6D89C4
Deuteranopia (green-blind)
#5B7CC0
Tritanopia (blue-blind)
#00959B
Achromatopsia (no color)
#828282
Design tokens & code
CSS
--color: #3f87c1; /* rgb */ color: rgb(63, 135, 193); /* oklch */ color: oklch(60.3% 0.114 245.6);
Tailwind
colors: {
custom: {
50: '#82a9d4',
500: '#3f87c1',
950: '#000000',
},
}SCSS
$custom: #3f87c1; $custom-light: #82a9d4; $custom-dark: #000000;
JSON
{
"hex": "#3f87c1",
"rgb": {
"r": 63,
"g": 135,
"b": 193
},
"hsl": {
"h": 206.769,
"s": 51.181,
"l": 50.196
},
"oklch": {
"l": 0.60349,
"c": 0.11418,
"h": 245.6
},
"luminance": 0.22235
}Semantic roles & 50–950 ramp
primary
#3F87C1
secondary
#CBAB91
accent
#8C4DDB
background
#F8FAFD
surface
#F0F4FA
border
#CBCED3
text
#0C0F14
muted
#7D7F83