#3F89C3#3F89C3
#3F89C3 is a mid, moderate cyan. Relative luminance 0.229; OKLCH L 60.9% C 0.115 H 245.0°. Best body text is #000000 at 5.58:1 contrast (WCAG AA passes).
Color values
| HEX | #3F89C3 |
|---|---|
| RGB | rgb(63, 137, 195) |
| HSL | hsl(206, 52%, 51%) |
| HSV | hsv(206, 68%, 76%) |
| CMYK | cmyk(67.7%, 29.7%, 0%, 23.5%) |
| CIE-LAB | lab(54.95, -4.33, -36.89) |
| CIE-LCH | lch(54.95, 37.14, 263.31°) |
| OKLab | oklab(60.92% -0.0485 -0.1042) |
| OKLCH | oklch(60.92% 0.115 245) |
| XYZ | xyz(20.8422, 22.8860, 54.9382) |
| Luminance | 0.2289 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Cool Blue
#4984B8
ΔE00 2.37
Water Blue
#0E87CC
ΔE00 2.55
Cerulean (survey)
#0485D1
ΔE00 2.78
Steel Blue
#4682B4
ΔE00 2.93
Off Blue
#5684AE
ΔE00 4.00
Dusty Blue
#5A86AD
ΔE00 4.24
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3F89C3 #C3793F
analogous
#3FC3BB #3F89C3 #3F47C3
triadic
#3F89C3 #C33F89 #89C33F
tetradic
#3F89C3 #BB3FC3 #C3793F #47C33F
square
#3F89C3 #BB3FC3 #C3793F #47C33F
split-complementary
#3F89C3 #C33F47 #C3BB3F
monochromatic
#204867 #2F6996 #3F89C3 #6EA6D2 #9CC2E0
Accessibility & contrast
On white
3.77
#3F89C3 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.58
#3F89C3 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3F89C3
5.58:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3F89C3 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3F89C3 | 1.00 | 3.77 | 5.58 | 5.58 |
| #FFFFFF | 3.77 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.58 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.58 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6F8BC6
Deuteranopia (green-blind)
#5D7EC2
Tritanopia (blue-blind)
#00979D
Achromatopsia (no color)
#848484
Design tokens & code
CSS
--color: #3f89c3; /* rgb */ color: rgb(63, 137, 195); /* oklch */ color: oklch(60.9% 0.115 245.0);
Tailwind
colors: {
custom: {
50: '#82abd5',
500: '#3f89c3',
950: '#000000',
},
}SCSS
$custom: #3f89c3; $custom-light: #82abd5; $custom-dark: #000000;
JSON
{
"hex": "#3f89c3",
"rgb": {
"r": 63,
"g": 137,
"b": 195
},
"hsl": {
"h": 206.364,
"s": 52.381,
"l": 50.588
},
"oklch": {
"l": 0.60918,
"c": 0.11493,
"h": 245
},
"luminance": 0.22888
}Semantic roles & 50–950 ramp
primary
#3F89C3
secondary
#CCAB92
accent
#8B4CDC
background
#F8FAFD
surface
#F0F4FA
border
#CBCED3
text
#0C1014
muted
#7D7F83