#3772B8#3772B8
#3772B8 is a mid, vivid cyan. Relative luminance 0.163; OKLCH L 54.7% C 0.126 H 254.3°. Best body text is #FFFFFF at 4.93:1 contrast (WCAG AA passes).
Color values
| HEX | #3772B8 |
|---|---|
| RGB | rgb(55, 114, 184) |
| HSL | hsl(213, 54%, 47%) |
| HSV | hsv(213, 70%, 72%) |
| CMYK | cmyk(70.1%, 38%, 0%, 27.8%) |
| CIE-LAB | lab(47.37, 4.30, -42.56) |
| CIE-LCH | lch(47.37, 42.77, 275.77°) |
| OKLab | oklab(54.71% -0.034 -0.1211) |
| OKLCH | oklch(54.71% 0.126 254.3) |
| XYZ | xyz(16.2414, 16.3058, 47.6295) |
| Luminance | 0.1631 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Medium Blue
#2C6FBB
ΔE00 1.24
Flat Blue
#3C73A8
ΔE00 2.09
Windows Blue
#3778BF
ΔE00 2.36
Bluish
#2976BB
ΔE00 2.54
Mid Blue
#276AB3
ΔE00 3.05
Muted Blue
#3B719F
ΔE00 3.44
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3772B8 #B87D37
analogous
#37B3B8 #3772B8 #3C37B8
triadic
#3772B8 #B83772 #72B837
tetradic
#3772B8 #B837B3 #B87D37 #37B83C
square
#3772B8 #B837B3 #B87D37 #37B83C
split-complementary
#3772B8 #B83C37 #B3B837
monochromatic
#1B385A #295589 #3772B8 #5D91CF #8DB1DD
Accessibility & contrast
On white
4.93
#3772B8 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.26
#3772B8 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #3772B8
4.93:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3772B8 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3772B8 | 1.00 | 4.93 | 4.26 | 4.93 |
| #FFFFFF | 4.93 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.26 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.93 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5277BB
Deuteranopia (green-blind)
#3F6BB7
Tritanopia (blue-blind)
#00828C
Achromatopsia (no color)
#707070
Design tokens & code
CSS
--color: #3772b8; /* rgb */ color: rgb(55, 114, 184); /* oklch */ color: oklch(54.7% 0.126 254.3);
Tailwind
colors: {
custom: {
50: '#7d9ace',
500: '#3772b8',
950: '#000000',
},
}SCSS
$custom: #3772b8; $custom-light: #7d9ace; $custom-dark: #000000;
JSON
{
"hex": "#3772b8",
"rgb": {
"r": 55,
"g": 114,
"b": 184
},
"hsl": {
"h": 212.558,
"s": 53.975,
"l": 46.863
},
"oklch": {
"l": 0.54707,
"c": 0.12583,
"h": 254.3
},
"luminance": 0.16308
}Semantic roles & 50–950 ramp
primary
#3772B8
secondary
#C7A884
accent
#9A4ADD
background
#F8F9FC
surface
#EFF2F9
border
#CACCD2
text
#0B0E13
muted
#7C7E82