#3F8FCA#3F8FCA
#3F8FCA is a light, moderate cyan. Relative luminance 0.250; OKLCH L 62.7% C 0.118 H 243.7°. Best body text is #000000 at 5.99:1 contrast (WCAG AA passes).
Color values
| HEX | #3F8FCA |
|---|---|
| RGB | rgb(63, 143, 202) |
| HSL | hsl(205, 57%, 52%) |
| HSV | hsv(205, 69%, 79%) |
| CMYK | cmyk(68.8%, 29.2%, 0%, 20.8%) |
| CIE-LAB | lab(57.04, -5.39, -37.58) |
| CIE-LCH | lch(57.04, 37.96, 261.84°) |
| OKLab | oklab(62.67% -0.0524 -0.1061) |
| OKLCH | oklch(62.67% 0.118 243.7) |
| XYZ | xyz(22.5290, 24.9635, 59.4968) |
| Luminance | 0.2497 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Water Blue
#0E87CC
ΔE00 3.47
Cerulean (survey)
#0485D1
ΔE00 4.04
Cool Blue
#4984B8
ΔE00 4.36
Dark Sky Blue
#448EE4
ΔE00 4.41
Steel Blue
#4682B4
ΔE00 4.98
Azure (survey)
#069AF3
ΔE00 5.05
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3F8FCA #CA7A3F
analogous
#3FCAC0 #3F8FCA #3F49CA
triadic
#3F8FCA #CA3F8F #8FCA3F
tetradic
#3F8FCA #C03FCA #CA7A3F #49CA3F
square
#3F8FCA #C03FCA #CA7A3F #49CA3F
split-complementary
#3F8FCA #CA3F49 #CAC03F
monochromatic
#1F4D70 #2C6FA0 #3F8FCA #6FABD7 #9FC7E4
Accessibility & contrast
On white
3.50
#3F8FCA on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.99
#3F8FCA on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3F8FCA
5.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3F8FCA | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3F8FCA | 1.00 | 3.50 | 5.99 | 5.99 |
| #FFFFFF | 3.50 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.99 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.99 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#7490CD
Deuteranopia (green-blind)
#6183C9
Tritanopia (blue-blind)
#009DA4
Achromatopsia (no color)
#898989
Design tokens & code
CSS
--color: #3f8fca; /* rgb */ color: rgb(63, 143, 202); /* oklch */ color: oklch(62.7% 0.118 243.7);
Tailwind
colors: {
custom: {
50: '#84afda',
500: '#3f8fca',
950: '#000000',
},
}SCSS
$custom: #3f8fca; $custom-light: #84afda; $custom-dark: #000000;
JSON
{
"hex": "#3f8fca",
"rgb": {
"r": 63,
"g": 143,
"b": 202
},
"hsl": {
"h": 205.468,
"s": 56.735,
"l": 51.961
},
"oklch": {
"l": 0.62671,
"c": 0.11837,
"h": 243.7
},
"luminance": 0.24966
}Semantic roles & 50–950 ramp
primary
#3F8FCA
secondary
#D1AE94
accent
#8848E0
background
#F8FAFD
surface
#F0F4FA
border
#CBCED3
text
#0C1015
muted
#7D7F83