#3768C5#3768C5
#3768C5 is a mid, vivid blue. Relative luminance 0.147; OKLCH L 53.3% C 0.155 H 261.8°. Best body text is #FFFFFF at 5.32:1 contrast (WCAG AA passes).
Color values
| HEX | #3768C5 |
|---|---|
| RGB | rgb(55, 104, 197) |
| HSL | hsl(219, 56%, 49%) |
| HSV | hsv(219, 72%, 77%) |
| CMYK | cmyk(72.1%, 47.2%, 0%, 22.7%) |
| CIE-LAB | lab(45.28, 15.35, -53.42) |
| CIE-LCH | lch(45.28, 55.58, 286.04°) |
| OKLab | oklab(53.33% -0.0222 -0.1532) |
| OKLCH | oklch(53.33% 0.155 261.8) |
| XYZ | xyz(16.6003, 14.7423, 54.7832) |
| Luminance | 0.1474 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
French Blue
#436BAD
ΔE00 2.91
Denim
#1560BD
ΔE00 3.78
Mid Blue
#276AB3
ΔE00 4.02
Medium Blue
#2C6FBB
ΔE00 4.08
Royal Blue
#4169E1
ΔE00 4.28
Cerulean Blue
#056EEE
ΔE00 5.02
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3768C5 #C59437
analogous
#37AFC5 #3768C5 #4D37C5
triadic
#3768C5 #C53768 #68C537
tetradic
#3768C5 #C537AF #C59437 #37C54D
square
#3768C5 #C537AF #C59437 #37C54D
split-complementary
#3768C5 #C54D37 #AFC537
monochromatic
#1C3565 #2A4F95 #3768C5 #658BD4 #95AFE1
Accessibility & contrast
On white
5.32
#3768C5 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.95
#3768C5 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #3768C5
5.32:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3768C5 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3768C5 | 1.00 | 5.32 | 3.95 | 5.32 |
| #FFFFFF | 5.32 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.95 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.32 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#3672C8
Deuteranopia (green-blind)
#1265C3
Tritanopia (blue-blind)
#007E8D
Achromatopsia (no color)
#6B6B6B
Design tokens & code
CSS
--color: #3768c5; /* rgb */ color: rgb(55, 104, 197); /* oklch */ color: oklch(53.3% 0.155 261.8);
Tailwind
colors: {
custom: {
50: '#8092d7',
500: '#3768c5',
950: '#000000',
},
}SCSS
$custom: #3768c5; $custom-light: #8092d7; $custom-dark: #000000;
JSON
{
"hex": "#3768c5",
"rgb": {
"r": 55,
"g": 104,
"b": 197
},
"hsl": {
"h": 219.296,
"s": 56.349,
"l": 49.412
},
"oklch": {
"l": 0.53334,
"c": 0.1548,
"h": 261.8
},
"luminance": 0.14744
}Semantic roles & 50–950 ramp
primary
#3768C5
secondary
#CDB68B
accent
#AB48E0
background
#F8F8FD
surface
#F0F0FA
border
#CBCBD3
text
#0B0C14
muted
#7C7D83