#3F93B3#3F93B3
#3F93B3 is a light, moderate cyan. Relative luminance 0.252; OKLCH L 62.5% C 0.093 H 226.4°. Best body text is #000000 at 6.04:1 contrast (WCAG AA passes).
Color values
| HEX | #3F93B3 |
|---|---|
| RGB | rgb(63, 147, 179) |
| HSL | hsl(197, 48%, 47%) |
| HSV | hsv(197, 65%, 70%) |
| CMYK | cmyk(64.8%, 17.9%, 0%, 29.8%) |
| CIE-LAB | lab(57.25, -15.30, -24.23) |
| CIE-LCH | lch(57.25, 28.65, 237.73°) |
| OKLab | oklab(62.51% -0.0645 -0.0677) |
| OKLCH | oklch(62.51% 0.093 226.4) |
| XYZ | xyz(20.6171, 25.1767, 46.4121) |
| Luminance | 0.2518 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dirty Blue
#3F829D
ΔE00 6.09
Teal Blue
#01889F
ΔE00 6.89
Greyblue
#77A1B5
ΔE00 8.12
Dusty Blue
#5A86AD
ΔE00 8.43
Off Blue
#5684AE
ΔE00 9.01
Greyish Blue
#5E819D
ΔE00 9.03
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3F93B3 #B35F3F
analogous
#3FB399 #3F93B3 #3F59B3
triadic
#3F93B3 #B33F93 #93B33F
tetradic
#3F93B3 #993FB3 #B35F3F #59B33F
square
#3F93B3 #993FB3 #B35F3F #59B33F
split-complementary
#3F93B3 #B33F59 #B3993F
monochromatic
#1F4958 #2F6E86 #3F93B3 #66AEC9 #93C6D9
Accessibility & contrast
On white
3.48
#3F93B3 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.04
#3F93B3 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3F93B3
6.04:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3F93B3 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3F93B3 | 1.00 | 3.48 | 6.04 | 6.04 |
| #FFFFFF | 3.48 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.04 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.04 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#8290B5
Deuteranopia (green-blind)
#7184B3
Tritanopia (blue-blind)
#009C9D
Achromatopsia (no color)
#898989
Design tokens & code
CSS
--color: #3f93b3; /* rgb */ color: rgb(63, 147, 179); /* oklch */ color: oklch(62.5% 0.093 226.4);
Tailwind
colors: {
custom: {
50: '#80b2c9',
500: '#3f93b3',
950: '#000000',
},
}SCSS
$custom: #3f93b3; $custom-light: #80b2c9; $custom-dark: #000000;
JSON
{
"hex": "#3f93b3",
"rgb": {
"r": 63,
"g": 147,
"b": 179
},
"hsl": {
"h": 196.552,
"s": 47.934,
"l": 47.451
},
"oklch": {
"l": 0.62512,
"c": 0.09346,
"h": 226.4
},
"luminance": 0.25179
}Semantic roles & 50–950 ramp
primary
#3F93B3
secondary
#C49A89
accent
#7650D8
background
#F8FBFC
surface
#EFF6F8
border
#CAD0D1
text
#0B1113
muted
#7C8082