#3776B7#3776B7
#3776B7 is a mid, vivid cyan. Relative luminance 0.172; OKLCH L 55.6% C 0.120 H 251.5°. Best body text is #FFFFFF at 4.73:1 contrast (WCAG AA passes).
Color values
| HEX | #3776B7 |
|---|---|
| RGB | rgb(55, 118, 183) |
| HSL | hsl(210, 54%, 47%) |
| HSV | hsv(210, 70%, 72%) |
| CMYK | cmyk(69.9%, 35.5%, 0%, 28.2%) |
| CIE-LAB | lab(48.49, 1.48, -40.20) |
| CIE-LCH | lch(48.49, 40.23, 272.11°) |
| OKLab | oklab(55.57% -0.0382 -0.1142) |
| OKLCH | oklch(55.57% 0.12 251.5) |
| XYZ | xyz(16.5980, 17.1862, 47.2331) |
| Luminance | 0.1719 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Windows Blue
#3778BF
ΔE00 1.16
Bluish
#2976BB
ΔE00 1.26
Flat Blue
#3C73A8
ΔE00 2.00
Medium Blue
#2C6FBB
ΔE00 2.59
Muted Blue
#3B719F
ΔE00 3.47
Dull Blue
#49759C
ΔE00 3.83
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3776B7 #B77837
analogous
#37B6B7 #3776B7 #3837B7
triadic
#3776B7 #B73776 #76B737
tetradic
#3776B7 #B737B6 #B77837 #37B738
square
#3776B7 #B737B6 #B77837 #37B738
split-complementary
#3776B7 #B73837 #B6B737
monochromatic
#1B3959 #295888 #3776B7 #5D95CE #8CB4DC
Accessibility & contrast
On white
4.73
#3776B7 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.44
#3776B7 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #3776B7
4.73:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3776B7 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3776B7 | 1.00 | 4.73 | 4.44 | 4.73 |
| #FFFFFF | 4.73 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.44 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.73 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#597ABA
Deuteranopia (green-blind)
#466EB6
Tritanopia (blue-blind)
#00858E
Achromatopsia (no color)
#737373
Design tokens & code
CSS
--color: #3776b7; /* rgb */ color: rgb(55, 118, 183); /* oklch */ color: oklch(55.6% 0.120 251.5);
Tailwind
colors: {
custom: {
50: '#7d9dcd',
500: '#3776b7',
950: '#000000',
},
}SCSS
$custom: #3776b7; $custom-light: #7d9dcd; $custom-dark: #000000;
JSON
{
"hex": "#3776b7",
"rgb": {
"r": 55,
"g": 118,
"b": 183
},
"hsl": {
"h": 210.469,
"s": 53.782,
"l": 46.667
},
"oklch": {
"l": 0.55566,
"c": 0.12042,
"h": 251.5
},
"luminance": 0.17188
}Semantic roles & 50–950 ramp
primary
#3776B7
secondary
#C7A583
accent
#954BDD
background
#F8F9FC
surface
#EFF2F9
border
#CACCD2
text
#0B0E13
muted
#7C7E82