#3776B9#3776B9
#3776B9 is a mid, vivid cyan. Relative luminance 0.173; OKLCH L 55.7% C 0.123 H 252.1°. Best body text is #FFFFFF at 4.71:1 contrast (WCAG AA passes).
Color values
| HEX | #3776B9 |
|---|---|
| RGB | rgb(55, 118, 185) |
| HSL | hsl(211, 54%, 47%) |
| HSV | hsv(211, 70%, 73%) |
| CMYK | cmyk(70.3%, 36.2%, 0%, 27.5%) |
| CIE-LAB | lab(48.60, 2.20, -41.19) |
| CIE-LCH | lch(48.60, 41.25, 273.06°) |
| OKLab | oklab(55.68% -0.0377 -0.1171) |
| OKLCH | oklch(55.68% 0.123 252.1) |
| XYZ | xyz(16.8077, 17.2701, 48.3372) |
| Luminance | 0.1727 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Windows Blue
#3778BF
ΔE00 0.98
Bluish
#2976BB
ΔE00 1.41
Flat Blue
#3C73A8
ΔE00 2.20
Medium Blue
#2C6FBB
ΔE00 2.55
Muted Blue
#3B719F
ΔE00 3.69
Dull Blue
#49759C
ΔE00 3.99
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3776B9 #B97A37
analogous
#37B7B9 #3776B9 #3937B9
triadic
#3776B9 #B93776 #76B937
tetradic
#3776B9 #B937B7 #B97A37 #37B939
square
#3776B9 #B937B7 #B97A37 #37B939
split-complementary
#3776B9 #B93937 #B7B937
monochromatic
#1B3A5B #29588A #3776B9 #5E95CF #8DB4DD
Accessibility & contrast
On white
4.71
#3776B9 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.45
#3776B9 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #3776B9
4.71:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3776B9 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3776B9 | 1.00 | 4.71 | 4.45 | 4.71 |
| #FFFFFF | 4.71 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.45 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.71 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#587ABC
Deuteranopia (green-blind)
#456EB8
Tritanopia (blue-blind)
#00868F
Achromatopsia (no color)
#737373
Design tokens & code
CSS
--color: #3776b9; /* rgb */ color: rgb(55, 118, 185); /* oklch */ color: oklch(55.7% 0.123 252.1);
Tailwind
colors: {
custom: {
50: '#7d9dce',
500: '#3776b9',
950: '#000000',
},
}SCSS
$custom: #3776b9; $custom-light: #7d9dce; $custom-dark: #000000;
JSON
{
"hex": "#3776b9",
"rgb": {
"r": 55,
"g": 118,
"b": 185
},
"hsl": {
"h": 210.923,
"s": 54.167,
"l": 47.059
},
"oklch": {
"l": 0.55682,
"c": 0.12301,
"h": 252.1
},
"luminance": 0.17272
}Semantic roles & 50–950 ramp
primary
#3776B9
secondary
#C8A784
accent
#964ADE
background
#F8F9FC
surface
#EFF2F9
border
#CACCD2
text
#0B0E13
muted
#7C7E82