#3669C8#3669C8
#3669C8 is a mid, vivid blue. Relative luminance 0.151; OKLCH L 53.7% C 0.158 H 261.5°. Best body text is #FFFFFF at 5.23:1 contrast (WCAG AA passes).
Color values
| HEX | #3669C8 |
|---|---|
| RGB | rgb(54, 105, 200) |
| HSL | hsl(219, 57%, 50%) |
| HSV | hsv(219, 73%, 78%) |
| CMYK | cmyk(73%, 47.5%, 0%, 21.6%) |
| CIE-LAB | lab(45.71, 15.69, -54.45) |
| CIE-LCH | lch(45.71, 56.67, 286.07°) |
| OKLab | oklab(53.72% -0.0233 -0.1562) |
| OKLCH | oklch(53.72% 0.158 261.5) |
| XYZ | xyz(16.9945, 15.0557, 56.6428) |
| Luminance | 0.1506 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
French Blue
#436BAD
ΔE00 3.13
Medium Blue
#2C6FBB
ΔE00 3.91
Royal Blue
#4169E1
ΔE00 4.03
Mid Blue
#276AB3
ΔE00 4.07
Denim
#1560BD
ΔE00 4.09
Cerulean Blue
#056EEE
ΔE00 4.55
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3669C8 #C89536
analogous
#36B2C8 #3669C8 #4C36C8
triadic
#3669C8 #C83669 #69C836
tetradic
#3669C8 #C836B2 #C89536 #36C84C
square
#3669C8 #C836B2 #C89536 #36C84C
split-complementary
#3669C8 #C84C36 #B2C836
monochromatic
#1C3668 #295098 #3669C8 #668DD6 #96B1E3
Accessibility & contrast
On white
5.23
#3669C8 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.01
#3669C8 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #3669C8
5.23:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3669C8 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3669C8 | 1.00 | 5.23 | 4.01 | 5.23 |
| #FFFFFF | 5.23 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.01 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.23 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#3573CC
Deuteranopia (green-blind)
#0B66C6
Tritanopia (blue-blind)
#007F8F
Achromatopsia (no color)
#6C6C6C
Design tokens & code
CSS
--color: #3669c8; /* rgb */ color: rgb(54, 105, 200); /* oklch */ color: oklch(53.7% 0.158 261.5);
Tailwind
colors: {
custom: {
50: '#8093d9',
500: '#3669c8',
950: '#000000',
},
}SCSS
$custom: #3669c8; $custom-light: #8093d9; $custom-dark: #000000;
JSON
{
"hex": "#3669c8",
"rgb": {
"r": 54,
"g": 105,
"b": 200
},
"hsl": {
"h": 219.041,
"s": 57.48,
"l": 49.804
},
"oklch": {
"l": 0.53715,
"c": 0.15799,
"h": 261.5
},
"luminance": 0.15058
}Semantic roles & 50–950 ramp
primary
#3669C8
secondary
#CEB78C
accent
#AB47E1
background
#F8F8FD
surface
#F0F0FB
border
#CBCBD4
text
#0C0D15
muted
#7D7D83