#3F8ED0#3F8ED0
#3F8ED0 is a light, vivid cyan. Relative luminance 0.250; OKLCH L 62.8% C 0.126 H 246.9°. Best body text is #000000 at 5.99:1 contrast (WCAG AA passes).
Color values
| HEX | #3F8ED0 |
|---|---|
| RGB | rgb(63, 142, 208) |
| HSL | hsl(207, 61%, 53%) |
| HSV | hsv(207, 70%, 82%) |
| CMYK | cmyk(69.7%, 31.7%, 0%, 18.4%) |
| CIE-LAB | lab(57.03, -2.74, -40.97) |
| CIE-LCH | lch(57.03, 41.06, 266.17°) |
| OKLab | oklab(62.76% -0.0496 -0.116) |
| OKLCH | oklch(62.76% 0.126 246.9) |
| XYZ | xyz(23.1038, 24.9543, 63.2613) |
| Luminance | 0.2496 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dark Sky Blue
#448EE4
ΔE00 3.18
Water Blue
#0E87CC
ΔE00 3.66
Cerulean (survey)
#0485D1
ΔE00 3.80
Cool Blue
#4984B8
ΔE00 4.19
Dodgerblue
#1E90FF
ΔE00 4.44
Azure (survey)
#069AF3
ΔE00 4.94
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3F8ED0 #D0813F
analogous
#3FD0C9 #3F8ED0 #3F46D0
triadic
#3F8ED0 #D03F8E #8ED03F
tetradic
#3F8ED0 #C93FD0 #D0813F #46D03F
square
#3F8ED0 #C93FD0 #D0813F #46D03F
split-complementary
#3F8ED0 #D03F46 #D0C93F
monochromatic
#1D4E77 #296FA9 #3F8ED0 #70ABDC #A1C8E8
Accessibility & contrast
On white
3.51
#3F8ED0 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.99
#3F8ED0 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3F8ED0
5.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3F8ED0 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3F8ED0 | 1.00 | 3.51 | 5.99 | 5.99 |
| #FFFFFF | 3.51 | 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)
#7090D3
Deuteranopia (green-blind)
#5C83CF
Tritanopia (blue-blind)
#009EA6
Achromatopsia (no color)
#898989
Design tokens & code
CSS
--color: #3f8ed0; /* rgb */ color: rgb(63, 142, 208); /* oklch */ color: oklch(62.8% 0.126 246.9);
Tailwind
colors: {
custom: {
50: '#84aede',
500: '#3f8ed0',
950: '#000000',
},
}SCSS
$custom: #3f8ed0; $custom-light: #84aede; $custom-dark: #000000;
JSON
{
"hex": "#3f8ed0",
"rgb": {
"r": 63,
"g": 142,
"b": 208
},
"hsl": {
"h": 207.31,
"s": 60.669,
"l": 53.137
},
"oklch": {
"l": 0.62756,
"c": 0.1262,
"h": 246.9
},
"luminance": 0.24957
}Semantic roles & 50–950 ramp
primary
#3F8ED0
secondary
#D5B396
accent
#8D44E4
background
#F8FAFD
surface
#F0F4FB
border
#CBCED4
text
#0C1015
muted
#7D7F83