#3F7CC1#3F7CC1
#3F7CC1 is a mid, vivid cyan. Relative luminance 0.193; OKLCH L 57.8% C 0.124 H 253.2°. Best body text is #000000 at 4.86:1 contrast (WCAG AA passes).
Color values
| HEX | #3F7CC1 |
|---|---|
| RGB | rgb(63, 124, 193) |
| HSL | hsl(212, 51%, 50%) |
| HSV | hsv(212, 67%, 76%) |
| CMYK | cmyk(67.4%, 35.8%, 0%, 24.3%) |
| CIE-LAB | lab(51.06, 2.68, -41.88) |
| CIE-LCH | lch(51.06, 41.97, 273.67°) |
| OKLab | oklab(57.83% -0.0359 -0.1189) |
| OKLCH | oklch(57.83% 0.124 253.2) |
| XYZ | xyz(18.8797, 19.3204, 53.1760) |
| Luminance | 0.1932 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Windows Blue
#3778BF
ΔE00 1.58
Bluish
#2976BB
ΔE00 3.14
Steel Blue
#4682B4
ΔE00 3.30
Cool Blue
#4984B8
ΔE00 3.42
Off Blue
#5684AE
ΔE00 4.33
Flat Blue
#3C73A8
ΔE00 4.36
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3F7CC1 #C1843F
analogous
#3FBDC1 #3F7CC1 #433FC1
triadic
#3F7CC1 #C13F7C #7CC13F
tetradic
#3F7CC1 #C13FBD #C1843F #3FC143
square
#3F7CC1 #C13FBD #C1843F #3FC143
split-complementary
#3F7CC1 #C1433F #BDC13F
monochromatic
#214165 #305E93 #3F7CC1 #6D9CD0 #9CBBDF
Accessibility & contrast
On white
4.32
#3F7CC1 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.86
#3F7CC1 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3F7CC1
4.86:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3F7CC1 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3F7CC1 | 1.00 | 4.32 | 4.86 | 4.86 |
| #FFFFFF | 4.32 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.86 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.86 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5D80C4
Deuteranopia (green-blind)
#4B74C0
Tritanopia (blue-blind)
#008C95
Achromatopsia (no color)
#7A7A7A
Design tokens & code
CSS
--color: #3f7cc1; /* rgb */ color: rgb(63, 124, 193); /* oklch */ color: oklch(57.8% 0.124 253.2);
Tailwind
colors: {
custom: {
50: '#82a1d4',
500: '#3f7cc1',
950: '#000000',
},
}SCSS
$custom: #3f7cc1; $custom-light: #82a1d4; $custom-dark: #000000;
JSON
{
"hex": "#3f7cc1",
"rgb": {
"r": 63,
"g": 124,
"b": 193
},
"hsl": {
"h": 211.846,
"s": 51.181,
"l": 50.196
},
"oklch": {
"l": 0.57825,
"c": 0.12422,
"h": 253.2
},
"luminance": 0.19322
}Semantic roles & 50–950 ramp
primary
#3F7CC1
secondary
#CBB091
accent
#984DDB
background
#F8F9FD
surface
#F0F2FA
border
#CBCCD3
text
#0C0E14
muted
#7D7E83