#3782B7#3782B7
#3782B7 is a mid, moderate cyan. Relative luminance 0.202; OKLCH L 58.4% C 0.110 H 242.8°. Best body text is #000000 at 5.04:1 contrast (WCAG AA passes).
Color values
| HEX | #3782B7 |
|---|---|
| RGB | rgb(55, 130, 183) |
| HSL | hsl(205, 54%, 47%) |
| HSV | hsv(205, 70%, 72%) |
| CMYK | cmyk(69.9%, 29%, 0%, 28.2%) |
| CIE-LAB | lab(52.06, -5.67, -34.60) |
| CIE-LCH | lch(52.06, 35.06, 260.69°) |
| OKLab | oklab(58.37% -0.0503 -0.0977) |
| OKLCH | oklch(58.37% 0.11 242.8) |
| XYZ | xyz(18.1021, 20.1944, 47.7345) |
| Luminance | 0.2020 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Steel Blue
#4682B4
ΔE00 1.76
Cool Blue
#4984B8
ΔE00 2.38
Water Blue
#0E87CC
ΔE00 3.01
Cerulean (survey)
#0485D1
ΔE00 3.14
Off Blue
#5684AE
ΔE00 3.93
Nice Blue
#107AB0
ΔE00 3.94
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3782B7 #B76C37
analogous
#37B7AC #3782B7 #3742B7
triadic
#3782B7 #B73782 #82B737
tetradic
#3782B7 #AC37B7 #B76C37 #42B737
square
#3782B7 #AC37B7 #B76C37 #42B737
split-complementary
#3782B7 #B73742 #B7AC37
monochromatic
#1B3F59 #296188 #3782B7 #5D9FCE #8CBBDC
Accessibility & contrast
On white
4.17
#3782B7 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.04
#3782B7 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3782B7
5.04:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3782B7 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3782B7 | 1.00 | 4.17 | 5.04 | 5.04 |
| #FFFFFF | 4.17 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.04 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.04 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6A83B9
Deuteranopia (green-blind)
#5877B6
Tritanopia (blue-blind)
#008F95
Achromatopsia (no color)
#7C7C7C
Design tokens & code
CSS
--color: #3782b7; /* rgb */ color: rgb(55, 130, 183); /* oklch */ color: oklch(58.4% 0.110 242.8);
Tailwind
colors: {
custom: {
50: '#7da6cd',
500: '#3782b7',
950: '#000000',
},
}SCSS
$custom: #3782b7; $custom-light: #7da6cd; $custom-dark: #000000;
JSON
{
"hex": "#3782b7",
"rgb": {
"r": 55,
"g": 130,
"b": 183
},
"hsl": {
"h": 204.844,
"s": 53.782,
"l": 46.667
},
"oklch": {
"l": 0.5837,
"c": 0.10987,
"h": 242.8
},
"luminance": 0.20196
}Semantic roles & 50–950 ramp
primary
#3782B7
secondary
#C79F83
accent
#874BDD
background
#F8FAFC
surface
#EFF4F9
border
#CACED2
text
#0B0F13
muted
#7C7F82