#3F7DC2#3F7DC2
#3F7DC2 is a mid, vivid cyan. Relative luminance 0.196; OKLCH L 58.1% C 0.125 H 252.9°. Best body text is #000000 at 4.92:1 contrast (WCAG AA passes).
Color values
| HEX | #3F7DC2 |
|---|---|
| RGB | rgb(63, 125, 194) |
| HSL | hsl(212, 52%, 50%) |
| HSV | hsv(212, 68%, 76%) |
| CMYK | cmyk(67.5%, 35.6%, 0%, 23.9%) |
| CIE-LAB | lab(51.40, 2.43, -41.91) |
| CIE-LCH | lch(51.40, 41.98, 273.32°) |
| OKLab | oklab(58.11% -0.0367 -0.119) |
| OKLCH | oklch(58.11% 0.125 252.9) |
| XYZ | xyz(19.1175, 19.6171, 53.8074) |
| Luminance | 0.1962 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Windows Blue
#3778BF
ΔE00 1.91
Steel Blue
#4682B4
ΔE00 3.07
Cool Blue
#4984B8
ΔE00 3.13
Bluish
#2976BB
ΔE00 3.37
Off Blue
#5684AE
ΔE00 4.15
Flat Blue
#3C73A8
ΔE00 4.68
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3F7DC2 #C2843F
analogous
#3FBFC2 #3F7DC2 #423FC2
triadic
#3F7DC2 #C23F7D #7DC23F
tetradic
#3F7DC2 #C23FBF #C2843F #3FC242
square
#3F7DC2 #C23FBF #C2843F #3FC242
split-complementary
#3F7DC2 #C2423F #BFC23F
monochromatic
#204166 #2F5F95 #3F7DC2 #6D9CD1 #9CBCE0
Accessibility & contrast
On white
4.26
#3F7DC2 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.92
#3F7DC2 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3F7DC2
4.92:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3F7DC2 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3F7DC2 | 1.00 | 4.26 | 4.92 | 4.92 |
| #FFFFFF | 4.26 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.92 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.92 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5E81C5
Deuteranopia (green-blind)
#4C75C1
Tritanopia (blue-blind)
#008D96
Achromatopsia (no color)
#7A7A7A
Design tokens & code
CSS
--color: #3f7dc2; /* rgb */ color: rgb(63, 125, 194); /* oklch */ color: oklch(58.1% 0.125 252.9);
Tailwind
colors: {
custom: {
50: '#82a2d5',
500: '#3f7dc2',
950: '#000000',
},
}SCSS
$custom: #3f7dc2; $custom-light: #82a2d5; $custom-dark: #000000;
JSON
{
"hex": "#3f7dc2",
"rgb": {
"r": 63,
"g": 125,
"b": 194
},
"hsl": {
"h": 211.603,
"s": 51.779,
"l": 50.392
},
"oklch": {
"l": 0.58109,
"c": 0.12452,
"h": 252.9
},
"luminance": 0.19619
}Semantic roles & 50–950 ramp
primary
#3F7DC2
secondary
#CCB091
accent
#984DDB
background
#F8F9FD
surface
#F0F2FA
border
#CBCCD3
text
#0C0F14
muted
#7D7E83