#2771B4#2771B4
#2771B4 is a mid, vivid cyan. Relative luminance 0.155; OKLCH L 53.7% C 0.127 H 249.8°. Best body text is #FFFFFF at 5.11:1 contrast (WCAG AA passes).
Color values
| HEX | #2771B4 |
|---|---|
| RGB | rgb(39, 113, 180) |
| HSL | hsl(209, 64%, 43%) |
| HSV | hsv(209, 78%, 71%) |
| CMYK | cmyk(78.3%, 37.2%, 0%, 29.4%) |
| CIE-LAB | lab(46.36, 1.28, -41.88) |
| CIE-LCH | lch(46.36, 41.90, 271.74°) |
| OKLab | oklab(53.7% -0.044 -0.1194) |
| OKLCH | oklch(53.7% 0.127 249.8) |
| XYZ | xyz(14.9769, 15.5351, 45.3804) |
| Luminance | 0.1554 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Medium Blue
#2C6FBB
ΔE00 1.87
Bluish
#2976BB
ΔE00 1.94
Flat Blue
#3C73A8
ΔE00 1.97
Muted Blue
#3B719F
ΔE00 2.72
Mid Blue
#276AB3
ΔE00 2.78
Windows Blue
#3778BF
ΔE00 3.23
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2771B4 #B46A27
analogous
#27B4B1 #2771B4 #272AB4
triadic
#2771B4 #B42771 #71B427
tetradic
#2771B4 #B127B4 #B46A27 #2AB427
square
#2771B4 #B127B4 #B46A27 #2AB427
split-complementary
#2771B4 #B4272A #B4B127
monochromatic
#11324F #1C5182 #2771B4 #4290D6 #74ADE1
Accessibility & contrast
On white
5.11
#2771B4 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.11
#2771B4 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #2771B4
5.11:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2771B4 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2771B4 | 1.00 | 5.11 | 4.11 | 5.11 |
| #FFFFFF | 5.11 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.11 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.11 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5275B7
Deuteranopia (green-blind)
#3C68B3
Tritanopia (blue-blind)
#00818A
Achromatopsia (no color)
#6E6E6E
Design tokens & code
CSS
--color: #2771b4; /* rgb */ color: rgb(39, 113, 180); /* oklch */ color: oklch(53.7% 0.127 249.8);
Tailwind
colors: {
custom: {
50: '#7699cb',
500: '#2771b4',
950: '#000000',
},
}SCSS
$custom: #2771b4; $custom-light: #7699cb; $custom-dark: #000000;
JSON
{
"hex": "#2771b4",
"rgb": {
"r": 39,
"g": 113,
"b": 180
},
"hsl": {
"h": 208.511,
"s": 64.384,
"l": 42.941
},
"oklch": {
"l": 0.53701,
"c": 0.12722,
"h": 249.8
},
"luminance": 0.15537
}Semantic roles & 50–950 ramp
primary
#2771B4
secondary
#C8996F
accent
#9040E7
background
#F7F9FC
surface
#EEF2F8
border
#C9CCD1
text
#0A0D13
muted
#7C7E82