#3F7CCE#3F7CCE
#3F7CCE is a mid, vivid cyan. Relative luminance 0.199; OKLCH L 58.6% C 0.141 H 256.6°. Best body text is #000000 at 4.99:1 contrast (WCAG AA passes).
Color values
| HEX | #3F7CCE |
|---|---|
| RGB | rgb(63, 124, 206) |
| HSL | hsl(214, 59%, 53%) |
| HSV | hsv(214, 69%, 81%) |
| CMYK | cmyk(69.4%, 39.8%, 0%, 19.2%) |
| CIE-LAB | lab(51.75, 7.29, -48.19) |
| CIE-LCH | lch(51.75, 48.74, 278.61°) |
| OKLab | oklab(58.59% -0.0328 -0.1374) |
| OKLCH | oklch(58.59% 0.141 256.6) |
| XYZ | xyz(20.3941, 19.9262, 61.1519) |
| Luminance | 0.1993 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Windows Blue
#3778BF
ΔE00 2.66
Cool Blue
#4984B8
ΔE00 4.21
Steel Blue
#4682B4
ΔE00 4.36
Bluish
#2976BB
ΔE00 4.38
Deep Sky Blue
#0D75F8
ΔE00 4.46
Azure
#007FFF
ΔE00 4.65
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3F7CCE #CE913F
analogous
#3FC3CE #3F7CCE #4A3FCE
triadic
#3F7CCE #CE3F7C #7CCE3F
tetradic
#3F7CCE #CE3FC3 #CE913F #3FCE4A
square
#3F7CCE #CE3FC3 #CE913F #3FCE4A
split-complementary
#3F7CCE #CE4A3F #C3CE3F
monochromatic
#1E4375 #2A5FA6 #3F7CCE #709DDA #A1BFE7
Accessibility & contrast
On white
4.21
#3F7CCE on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.99
#3F7CCE on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3F7CCE
4.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3F7CCE | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3F7CCE | 1.00 | 4.21 | 4.99 | 4.99 |
| #FFFFFF | 4.21 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.99 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.99 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5683D1
Deuteranopia (green-blind)
#4075CC
Tritanopia (blue-blind)
#008F9B
Achromatopsia (no color)
#7B7B7B
Design tokens & code
CSS
--color: #3f7cce; /* rgb */ color: rgb(63, 124, 206); /* oklch */ color: oklch(58.6% 0.141 256.6);
Tailwind
colors: {
custom: {
50: '#84a1dd',
500: '#3f7cce',
950: '#000000',
},
}SCSS
$custom: #3f7cce; $custom-light: #84a1dd; $custom-dark: #000000;
JSON
{
"hex": "#3f7cce",
"rgb": {
"r": 63,
"g": 124,
"b": 206
},
"hsl": {
"h": 214.406,
"s": 59.336,
"l": 52.745
},
"oklch": {
"l": 0.58592,
"c": 0.14126,
"h": 256.6
},
"luminance": 0.19928
}Semantic roles & 50–950 ramp
primary
#3F7CCE
secondary
#D3B995
accent
#9F45E3
background
#F8F9FD
surface
#F0F2FB
border
#CBCCD4
text
#0C0E15
muted
#7D7E83