#3779C1#3779C1
#3779C1 is a mid, vivid cyan. Relative luminance 0.183; OKLCH L 56.8% C 0.130 H 252.8°. Best body text is #000000 at 4.67:1 contrast (WCAG AA passes).
Color values
| HEX | #3779C1 |
|---|---|
| RGB | rgb(55, 121, 193) |
| HSL | hsl(211, 56%, 49%) |
| HSV | hsv(211, 72%, 76%) |
| CMYK | cmyk(71.5%, 37.3%, 0%, 24.3%) |
| CIE-LAB | lab(49.90, 3.26, -43.74) |
| CIE-LCH | lch(49.90, 43.86, 274.27°) |
| OKLab | oklab(56.84% -0.0385 -0.1245) |
| OKLCH | oklch(56.84% 0.13 252.8) |
| XYZ | xyz(18.0350, 18.3353, 53.0303) |
| Luminance | 0.1834 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Windows Blue
#3778BF
ΔE00 0.42
Bluish
#2976BB
ΔE00 2.05
Flat Blue
#3C73A8
ΔE00 3.49
Medium Blue
#2C6FBB
ΔE00 3.70
Steel Blue
#4682B4
ΔE00 4.03
Cool Blue
#4984B8
ΔE00 4.37
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3779C1 #C17F37
analogous
#37BEC1 #3779C1 #3A37C1
triadic
#3779C1 #C13779 #79C137
tetradic
#3779C1 #C137BE #C17F37 #37C13A
square
#3779C1 #C137BE #C17F37 #37C13A
split-complementary
#3779C1 #C13A37 #BEC137
monochromatic
#1C3D62 #295B91 #3779C1 #6398D2 #92B8E0
Accessibility & contrast
On white
4.50
#3779C1 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.67
#3779C1 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3779C1
4.67:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3779C1 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3779C1 | 1.00 | 4.50 | 4.67 | 4.67 |
| #FFFFFF | 4.50 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.67 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.67 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#587EC4
Deuteranopia (green-blind)
#4471C0
Tritanopia (blue-blind)
#008A94
Achromatopsia (no color)
#777777
Design tokens & code
CSS
--color: #3779c1; /* rgb */ color: rgb(55, 121, 193); /* oklch */ color: oklch(56.8% 0.130 252.8);
Tailwind
colors: {
custom: {
50: '#7e9fd4',
500: '#3779c1',
950: '#000000',
},
}SCSS
$custom: #3779c1; $custom-light: #7e9fd4; $custom-dark: #000000;
JSON
{
"hex": "#3779c1",
"rgb": {
"r": 55,
"g": 121,
"b": 193
},
"hsl": {
"h": 211.304,
"s": 55.645,
"l": 48.627
},
"oklch": {
"l": 0.56838,
"c": 0.13031,
"h": 252.8
},
"luminance": 0.18337
}Semantic roles & 50–950 ramp
primary
#3779C1
secondary
#CBAB89
accent
#9749DF
background
#F8F9FD
surface
#EFF2FA
border
#CACCD3
text
#0B0E14
muted
#7C7E83