#3773C4#3773C4
#3773C4 is a mid, vivid cyan. Relative luminance 0.171; OKLCH L 55.7% C 0.141 H 256.8°. Best body text is #FFFFFF at 4.76:1 contrast (WCAG AA passes).
Color values
| HEX | #3773C4 |
|---|---|
| RGB | rgb(55, 115, 196) |
| HSL | hsl(214, 56%, 49%) |
| HSV | hsv(214, 72%, 77%) |
| CMYK | cmyk(71.9%, 41.3%, 0%, 23.1%) |
| CIE-LAB | lab(48.33, 8.05, -47.95) |
| CIE-LCH | lch(48.33, 48.62, 279.53°) |
| OKLab | oklab(55.67% -0.0322 -0.1369) |
| OKLCH | oklch(55.67% 0.141 256.8) |
| XYZ | xyz(17.6664, 17.0573, 54.5752) |
| Luminance | 0.1706 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Medium Blue
#2C6FBB
ΔE00 2.21
Windows Blue
#3778BF
ΔE00 2.23
Bluish
#2976BB
ΔE00 3.21
Flat Blue
#3C73A8
ΔE00 3.37
Mid Blue
#276AB3
ΔE00 4.08
French Blue
#436BAD
ΔE00 4.24
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3773C4 #C48837
analogous
#37BAC4 #3773C4 #4237C4
triadic
#3773C4 #C43773 #73C437
tetradic
#3773C4 #C437BA #C48837 #37C442
square
#3773C4 #C437BA #C48837 #37C442
split-complementary
#3773C4 #C44237 #BAC437
monochromatic
#1C3B64 #2A5794 #3773C4 #6594D4 #94B5E1
Accessibility & contrast
On white
4.76
#3773C4 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.41
#3773C4 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #3773C4
4.76:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3773C4 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3773C4 | 1.00 | 4.76 | 4.41 | 4.76 |
| #FFFFFF | 4.76 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.41 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.76 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4C7AC7
Deuteranopia (green-blind)
#356DC2
Tritanopia (blue-blind)
#008692
Achromatopsia (no color)
#737373
Design tokens & code
CSS
--color: #3773c4; /* rgb */ color: rgb(55, 115, 196); /* oklch */ color: oklch(55.7% 0.141 256.8);
Tailwind
colors: {
custom: {
50: '#7f9ad6',
500: '#3773c4',
950: '#000000',
},
}SCSS
$custom: #3773c4; $custom-light: #7f9ad6; $custom-dark: #000000;
JSON
{
"hex": "#3773c4",
"rgb": {
"r": 55,
"g": 115,
"b": 196
},
"hsl": {
"h": 214.468,
"s": 56.175,
"l": 49.216
},
"oklch": {
"l": 0.55671,
"c": 0.14068,
"h": 256.8
},
"luminance": 0.17059
}Semantic roles & 50–950 ramp
primary
#3773C4
secondary
#CCB08B
accent
#9F48DF
background
#F8F9FD
surface
#EFF2FA
border
#CACCD3
text
#0B0E14
muted
#7C7E83