#3F88C5#3F88C5
#3F88C5 is a mid, moderate cyan. Relative luminance 0.227; OKLCH L 60.8% C 0.118 H 246.6°. Best body text is #000000 at 5.54:1 contrast (WCAG AA passes).
Color values
| HEX | #3F88C5 |
|---|---|
| RGB | rgb(63, 136, 197) |
| HSL | hsl(207, 54%, 51%) |
| HSV | hsv(207, 68%, 77%) |
| CMYK | cmyk(68%, 31%, 0%, 22.7%) |
| CIE-LAB | lab(54.76, -3.06, -38.33) |
| CIE-LCH | lch(54.76, 38.46, 265.44°) |
| OKLab | oklab(60.79% -0.0469 -0.1084) |
| OKLCH | oklch(60.79% 0.118 246.6) |
| XYZ | xyz(20.9283, 22.6941, 56.0899) |
| Luminance | 0.2270 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Cool Blue
#4984B8
ΔE00 2.12
Cerulean (survey)
#0485D1
ΔE00 2.65
Water Blue
#0E87CC
ΔE00 2.76
Steel Blue
#4682B4
ΔE00 2.78
Off Blue
#5684AE
ΔE00 3.91
Dusty Blue
#5A86AD
ΔE00 4.25
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3F88C5 #C57C3F
analogous
#3FC5BF #3F88C5 #3F45C5
triadic
#3F88C5 #C53F88 #88C53F
tetradic
#3F88C5 #BF3FC5 #C57C3F #45C53F
square
#3F88C5 #BF3FC5 #C57C3F #45C53F
split-complementary
#3F88C5 #C53F45 #C5BF3F
monochromatic
#20486A #2E6899 #3F88C5 #6EA5D3 #9DC2E1
Accessibility & contrast
On white
3.79
#3F88C5 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.54
#3F88C5 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3F88C5
5.54:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3F88C5 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3F88C5 | 1.00 | 3.79 | 5.54 | 5.54 |
| #FFFFFF | 3.79 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.54 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.54 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6D8AC8
Deuteranopia (green-blind)
#5A7DC4
Tritanopia (blue-blind)
#00979E
Achromatopsia (no color)
#838383
Design tokens & code
CSS
--color: #3f88c5; /* rgb */ color: rgb(63, 136, 197); /* oklch */ color: oklch(60.8% 0.118 246.6);
Tailwind
colors: {
custom: {
50: '#83aad7',
500: '#3f88c5',
950: '#000000',
},
}SCSS
$custom: #3f88c5; $custom-light: #83aad7; $custom-dark: #000000;
JSON
{
"hex": "#3f88c5",
"rgb": {
"r": 63,
"g": 136,
"b": 197
},
"hsl": {
"h": 207.313,
"s": 53.6,
"l": 50.98
},
"oklch": {
"l": 0.60792,
"c": 0.11813,
"h": 246.6
},
"luminance": 0.22696
}Semantic roles & 50–950 ramp
primary
#3F88C5
secondary
#CEAD92
accent
#8D4BDD
background
#F8FAFD
surface
#F0F4FA
border
#CBCED3
text
#0C1014
muted
#7D7F83