#3669C7#3669C7
#3669C7 is a mid, vivid blue. Relative luminance 0.150; OKLCH L 53.6% C 0.157 H 261.4°. Best body text is #FFFFFF at 5.25:1 contrast (WCAG AA passes).
Color values
| HEX | #3669C7 |
|---|---|
| RGB | rgb(54, 105, 199) |
| HSL | hsl(219, 57%, 50%) |
| HSV | hsv(219, 73%, 78%) |
| CMYK | cmyk(72.9%, 47.2%, 0%, 22%) |
| CIE-LAB | lab(45.65, 15.32, -53.98) |
| CIE-LCH | lch(45.65, 56.11, 285.84°) |
| OKLab | oklab(53.65% -0.0235 -0.1548) |
| OKLCH | oklch(53.65% 0.157 261.4) |
| XYZ | xyz(16.8780, 15.0091, 56.0293) |
| Luminance | 0.1501 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
French Blue
#436BAD
ΔE00 3.02
Medium Blue
#2C6FBB
ΔE00 3.83
Mid Blue
#276AB3
ΔE00 3.96
Denim
#1560BD
ΔE00 4.01
Royal Blue
#4169E1
ΔE00 4.15
Cerulean Blue
#056EEE
ΔE00 4.63
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3669C7 #C79436
analogous
#36B1C7 #3669C7 #4C36C7
triadic
#3669C7 #C73669 #69C736
tetradic
#3669C7 #C736B1 #C79436 #36C74C
square
#3669C7 #C736B1 #C79436 #36C74C
split-complementary
#3669C7 #C74C36 #B1C736
monochromatic
#1C3667 #295097 #3669C7 #658CD5 #95B0E2
Accessibility & contrast
On white
5.25
#3669C7 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.00
#3669C7 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #3669C7
5.25:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3669C7 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3669C7 | 1.00 | 5.25 | 4.00 | 5.25 |
| #FFFFFF | 5.25 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.00 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.25 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#3673CA
Deuteranopia (green-blind)
#0F66C5
Tritanopia (blue-blind)
#007F8E
Achromatopsia (no color)
#6C6C6C
Design tokens & code
CSS
--color: #3669c7; /* rgb */ color: rgb(54, 105, 199); /* oklch */ color: oklch(53.6% 0.157 261.4);
Tailwind
colors: {
custom: {
50: '#8093d9',
500: '#3669c7',
950: '#000000',
},
}SCSS
$custom: #3669c7; $custom-light: #8093d9; $custom-dark: #000000;
JSON
{
"hex": "#3669c7",
"rgb": {
"r": 54,
"g": 105,
"b": 199
},
"hsl": {
"h": 218.897,
"s": 57.312,
"l": 49.608
},
"oklch": {
"l": 0.53646,
"c": 0.15662,
"h": 261.4
},
"luminance": 0.15011
}Semantic roles & 50–950 ramp
primary
#3669C7
secondary
#CEB68B
accent
#AB47E1
background
#F8F8FD
surface
#F0F0FA
border
#CBCBD3
text
#0B0D15
muted
#7C7D83