#3774BA#3774BA
#3774BA is a mid, vivid cyan. Relative luminance 0.168; OKLCH L 55.3% C 0.126 H 253.7°. Best body text is #FFFFFF at 4.81:1 contrast (WCAG AA passes).
Color values
| HEX | #3774BA |
|---|---|
| RGB | rgb(55, 116, 186) |
| HSL | hsl(212, 54%, 47%) |
| HSV | hsv(212, 70%, 73%) |
| CMYK | cmyk(70.4%, 37.6%, 0%, 27.1%) |
| CIE-LAB | lab(48.07, 3.79, -42.62) |
| CIE-LCH | lch(48.07, 42.78, 275.08°) |
| OKLab | oklab(55.28% -0.0355 -0.1213) |
| OKLCH | oklch(55.28% 0.126 253.7) |
| XYZ | xyz(16.6806, 16.8464, 48.8174) |
| Luminance | 0.1685 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Windows Blue
#3778BF
ΔE00 1.58
Medium Blue
#2C6FBB
ΔE00 1.84
Bluish
#2976BB
ΔE00 2.01
Flat Blue
#3C73A8
ΔE00 2.18
Muted Blue
#3B719F
ΔE00 3.66
Mid Blue
#276AB3
ΔE00 3.73
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3774BA #BA7D37
analogous
#37B6BA #3774BA #3B37BA
triadic
#3774BA #BA3774 #74BA37
tetradic
#3774BA #BA37B6 #BA7D37 #37BA3B
square
#3774BA #BA37B6 #BA7D37 #37BA3B
split-complementary
#3774BA #BA3B37 #B6BA37
monochromatic
#1B395C #29578B #3774BA #5F93D0 #8EB3DE
Accessibility & contrast
On white
4.81
#3774BA on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.37
#3774BA on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #3774BA
4.81:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3774BA | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3774BA | 1.00 | 4.81 | 4.37 | 4.81 |
| #FFFFFF | 4.81 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.37 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.81 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5479BD
Deuteranopia (green-blind)
#416CB9
Tritanopia (blue-blind)
#00848E
Achromatopsia (no color)
#727272
Design tokens & code
CSS
--color: #3774ba; /* rgb */ color: rgb(55, 116, 186); /* oklch */ color: oklch(55.3% 0.126 253.7);
Tailwind
colors: {
custom: {
50: '#7d9bcf',
500: '#3774ba',
950: '#000000',
},
}SCSS
$custom: #3774ba; $custom-light: #7d9bcf; $custom-dark: #000000;
JSON
{
"hex": "#3774ba",
"rgb": {
"r": 55,
"g": 116,
"b": 186
},
"hsl": {
"h": 212.061,
"s": 54.357,
"l": 47.255
},
"oklch": {
"l": 0.55283,
"c": 0.12637,
"h": 253.7
},
"luminance": 0.16848
}Semantic roles & 50–950 ramp
primary
#3774BA
secondary
#C8A985
accent
#994ADE
background
#F8F9FC
surface
#EFF2F9
border
#CACCD2
text
#0B0E14
muted
#7C7E82