#3783C2#3783C2
#3783C2 is a mid, vivid cyan. Relative luminance 0.209; OKLCH L 59.2% C 0.122 H 246.9°. Best body text is #000000 at 5.19:1 contrast (WCAG AA passes).
Color values
| HEX | #3783C2 |
|---|---|
| RGB | rgb(55, 131, 194) |
| HSL | hsl(207, 56%, 49%) |
| HSV | hsv(207, 72%, 76%) |
| CMYK | cmyk(71.6%, 32.5%, 0%, 23.9%) |
| CIE-LAB | lab(52.88, -2.38, -39.59) |
| CIE-LCH | lch(52.88, 39.67, 266.56°) |
| OKLab | oklab(59.19% -0.0479 -0.1122) |
| OKLCH | oklch(59.19% 0.122 246.9) |
| XYZ | xyz(19.4258, 20.9377, 54.0461) |
| Luminance | 0.2094 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Cool Blue
#4984B8
ΔE00 1.85
Steel Blue
#4682B4
ΔE00 1.93
Cerulean (survey)
#0485D1
ΔE00 2.27
Water Blue
#0E87CC
ΔE00 2.81
Off Blue
#5684AE
ΔE00 3.93
Windows Blue
#3778BF
ΔE00 4.42
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3783C2 #C27637
analogous
#37C2BC #3783C2 #373EC2
triadic
#3783C2 #C23783 #83C237
tetradic
#3783C2 #BC37C2 #C27637 #3EC237
square
#3783C2 #BC37C2 #C27637 #3EC237
split-complementary
#3783C2 #C2373E #C2BC37
monochromatic
#1C4363 #296392 #3783C2 #63A0D3 #93BDE0
Accessibility & contrast
On white
4.05
#3783C2 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.19
#3783C2 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3783C2
5.19:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3783C2 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3783C2 | 1.00 | 4.05 | 5.19 | 5.19 |
| #FFFFFF | 4.05 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.19 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.19 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6685C5
Deuteranopia (green-blind)
#5378C1
Tritanopia (blue-blind)
#00929A
Achromatopsia (no color)
#7E7E7E
Design tokens & code
CSS
--color: #3783c2; /* rgb */ color: rgb(55, 131, 194); /* oklch */ color: oklch(59.2% 0.122 246.9);
Tailwind
colors: {
custom: {
50: '#7fa6d5',
500: '#3783c2',
950: '#000000',
},
}SCSS
$custom: #3783c2; $custom-light: #7fa6d5; $custom-dark: #000000;
JSON
{
"hex": "#3783c2",
"rgb": {
"r": 55,
"g": 131,
"b": 194
},
"hsl": {
"h": 207.194,
"s": 55.823,
"l": 48.824
},
"oklch": {
"l": 0.59194,
"c": 0.12203,
"h": 246.9
},
"luminance": 0.2094
}Semantic roles & 50–950 ramp
primary
#3783C2
secondary
#CBA789
accent
#8D49DF
background
#F8FAFD
surface
#EFF4FA
border
#CACED3
text
#0B0F14
muted
#7C7F83