#3668CA#3668CA
#3668CA is a mid, vivid blue. Relative luminance 0.149; OKLCH L 53.6% C 0.162 H 262.1°. Best body text is #FFFFFF at 5.26:1 contrast (WCAG AA passes).
Color values
| HEX | #3668CA |
|---|---|
| RGB | rgb(54, 104, 202) |
| HSL | hsl(220, 58%, 50%) |
| HSV | hsv(220, 73%, 79%) |
| CMYK | cmyk(73.3%, 48.5%, 0%, 20.8%) |
| CIE-LAB | lab(45.56, 17.07, -55.84) |
| CIE-LCH | lch(45.56, 58.39, 287.00°) |
| OKLab | oklab(53.64% -0.0222 -0.1603) |
| OKLCH | oklch(53.64% 0.162 262.1) |
| XYZ | xyz(17.1285, 14.9473, 57.8481) |
| Luminance | 0.1495 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
French Blue
#436BAD
ΔE00 3.43
Royal Blue
#4169E1
ΔE00 3.73
Denim
#1560BD
ΔE00 4.09
Medium Blue
#2C6FBB
ΔE00 4.36
Mid Blue
#276AB3
ΔE00 4.45
Cerulean Blue
#056EEE
ΔE00 4.59
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3668CA #CA9836
analogous
#36B2CA #3668CA #4E36CA
triadic
#3668CA #CA3668 #68CA36
tetradic
#3668CA #CA36B2 #CA9836 #36CA4E
square
#3668CA #CA36B2 #CA9836 #36CA4E
split-complementary
#3668CA #CA4E36 #B2CA36
monochromatic
#1C366A #294F9A #3668CA #668CD7 #97B1E4
Accessibility & contrast
On white
5.26
#3668CA on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.99
#3668CA on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #3668CA
5.26:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3668CA | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3668CA | 1.00 | 5.26 | 3.99 | 5.26 |
| #FFFFFF | 5.26 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.99 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.26 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#3173CE
Deuteranopia (green-blind)
#0065C8
Tritanopia (blue-blind)
#007F8F
Achromatopsia (no color)
#6C6C6C
Design tokens & code
CSS
--color: #3668ca; /* rgb */ color: rgb(54, 104, 202); /* oklch */ color: oklch(53.6% 0.162 262.1);
Tailwind
colors: {
custom: {
50: '#8092db',
500: '#3668ca',
950: '#000000',
},
}SCSS
$custom: #3668ca; $custom-light: #8092db; $custom-dark: #000000;
JSON
{
"hex": "#3668ca",
"rgb": {
"r": 54,
"g": 104,
"b": 202
},
"hsl": {
"h": 219.73,
"s": 58.268,
"l": 50.196
},
"oklch": {
"l": 0.53643,
"c": 0.16188,
"h": 262.1
},
"luminance": 0.14949
}Semantic roles & 50–950 ramp
primary
#3668CA
secondary
#CFB98D
accent
#AD46E1
background
#F8F8FD
surface
#F0F0FB
border
#CBCBD4
text
#0C0C15
muted
#7D7D83