#3779C3#3779C3
#3779C3 is a mid, vivid cyan. Relative luminance 0.184; OKLCH L 57.0% C 0.133 H 253.4°. Best body text is #000000 at 4.69:1 contrast (WCAG AA passes).
Color values
| HEX | #3779C3 |
|---|---|
| RGB | rgb(55, 121, 195) |
| HSL | hsl(212, 56%, 49%) |
| HSV | hsv(212, 72%, 76%) |
| CMYK | cmyk(71.8%, 37.9%, 0%, 23.5%) |
| CIE-LAB | lab(50.01, 3.99, -44.71) |
| CIE-LCH | lch(50.01, 44.89, 275.10°) |
| OKLab | oklab(56.96% -0.0381 -0.1273) |
| OKLCH | oklch(56.96% 0.133 253.4) |
| XYZ | xyz(18.2596, 18.4251, 54.2133) |
| Luminance | 0.1843 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Windows Blue
#3778BF
ΔE00 0.58
Bluish
#2976BB
ΔE00 2.27
Flat Blue
#3C73A8
ΔE00 3.67
Medium Blue
#2C6FBB
ΔE00 3.76
Steel Blue
#4682B4
ΔE00 4.14
Cool Blue
#4984B8
ΔE00 4.43
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3779C3 #C38137
analogous
#37BFC3 #3779C3 #3B37C3
triadic
#3779C3 #C33779 #79C337
tetradic
#3779C3 #C337BF #C38137 #37C33B
square
#3779C3 #C337BF #C38137 #37C33B
split-complementary
#3779C3 #C33B37 #BFC337
monochromatic
#1C3E64 #2A5B93 #3779C3 #6498D3 #94B8E1
Accessibility & contrast
On white
4.48
#3779C3 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.69
#3779C3 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3779C3
4.69:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3779C3 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3779C3 | 1.00 | 4.48 | 4.69 | 4.69 |
| #FFFFFF | 4.48 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.69 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.69 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#577EC6
Deuteranopia (green-blind)
#4271C2
Tritanopia (blue-blind)
#008A94
Achromatopsia (no color)
#777777
Design tokens & code
CSS
--color: #3779c3; /* rgb */ color: rgb(55, 121, 195); /* oklch */ color: oklch(57.0% 0.133 253.4);
Tailwind
colors: {
custom: {
50: '#7f9fd5',
500: '#3779c3',
950: '#000000',
},
}SCSS
$custom: #3779c3; $custom-light: #7f9fd5; $custom-dark: #000000;
JSON
{
"hex": "#3779c3",
"rgb": {
"r": 55,
"g": 121,
"b": 195
},
"hsl": {
"h": 211.714,
"s": 56,
"l": 49.02
},
"oklch": {
"l": 0.56957,
"c": 0.13291,
"h": 253.4
},
"luminance": 0.18427
}Semantic roles & 50–950 ramp
primary
#3779C3
secondary
#CCAD8A
accent
#9849DF
background
#F8F9FD
surface
#EFF2FA
border
#CACCD3
text
#0B0E14
muted
#7C7E83