#3784C3#3784C3
#3784C3 is a mid, vivid cyan. Relative luminance 0.213; OKLCH L 59.5% C 0.122 H 246.6°. Best body text is #000000 at 5.25:1 contrast (WCAG AA passes).
Color values
| HEX | #3784C3 |
|---|---|
| RGB | rgb(55, 132, 195) |
| HSL | hsl(207, 56%, 49%) |
| HSV | hsv(207, 72%, 76%) |
| CMYK | cmyk(71.8%, 32.3%, 0%, 23.5%) |
| CIE-LAB | lab(53.23, -2.62, -39.62) |
| CIE-LCH | lch(53.23, 39.71, 266.22°) |
| OKLab | oklab(59.48% -0.0486 -0.1123) |
| OKLCH | oklch(59.48% 0.122 246.6) |
| XYZ | xyz(19.6734, 21.2527, 54.6845) |
| Luminance | 0.2125 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Cool Blue
#4984B8
ΔE00 1.89
Steel Blue
#4682B4
ΔE00 2.08
Cerulean (survey)
#0485D1
ΔE00 2.10
Water Blue
#0E87CC
ΔE00 2.56
Off Blue
#5684AE
ΔE00 3.98
Dusty Blue
#5A86AD
ΔE00 4.59
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3784C3 #C37637
analogous
#37C3BC #3784C3 #373EC3
triadic
#3784C3 #C33784 #84C337
tetradic
#3784C3 #BC37C3 #C37637 #3EC337
square
#3784C3 #BC37C3 #C37637 #3EC337
split-complementary
#3784C3 #C3373E #C3BC37
monochromatic
#1C4364 #2A6493 #3784C3 #64A1D3 #94BEE1
Accessibility & contrast
On white
4.00
#3784C3 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.25
#3784C3 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3784C3
5.25:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3784C3 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3784C3 | 1.00 | 4.00 | 5.25 | 5.25 |
| #FFFFFF | 4.00 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.25 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.25 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6786C6
Deuteranopia (green-blind)
#5479C2
Tritanopia (blue-blind)
#00939B
Achromatopsia (no color)
#7F7F7F
Design tokens & code
CSS
--color: #3784c3; /* rgb */ color: rgb(55, 132, 195); /* oklch */ color: oklch(59.5% 0.122 246.6);
Tailwind
colors: {
custom: {
50: '#7fa7d5',
500: '#3784c3',
950: '#000000',
},
}SCSS
$custom: #3784c3; $custom-light: #7fa7d5; $custom-dark: #000000;
JSON
{
"hex": "#3784c3",
"rgb": {
"r": 55,
"g": 132,
"b": 195
},
"hsl": {
"h": 207,
"s": 56,
"l": 49.02
},
"oklch": {
"l": 0.59481,
"c": 0.12236,
"h": 246.6
},
"luminance": 0.21255
}Semantic roles & 50–950 ramp
primary
#3784C3
secondary
#CCA88A
accent
#8C49DF
background
#F8FAFD
surface
#EFF4FA
border
#CACED3
text
#0B0F14
muted
#7C7F83