#3650B3#3650B3
#3650B3 is a mid, vivid blue. Relative luminance 0.098; OKLCH L 47.0% C 0.160 H 268.4°. Best body text is #FFFFFF at 7.11:1 contrast (WCAG AA passes).
Color values
| HEX | #3650B3 |
|---|---|
| RGB | rgb(54, 80, 179) |
| HSL | hsl(228, 54%, 46%) |
| HSV | hsv(228, 70%, 70%) |
| CMYK | cmyk(69.8%, 55.3%, 0%, 29.8%) |
| CIE-LAB | lab(37.44, 24.11, -55.58) |
| CIE-LCH | lch(37.44, 60.58, 293.45°) |
| OKLab | oklab(46.97% -0.0044 -0.16) |
| OKLCH | oklch(46.97% 0.16 268.4) |
| XYZ | xyz(12.5239, 9.7750, 43.8658) |
| Luminance | 0.0978 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire
#0F52BA
ΔE00 3.45
Cobalt
#0047AB
ΔE00 4.45
Blue Blue
#2242C7
ΔE00 5.12
Denim Blue
#3B5B92
ΔE00 6.18
Cobalt (survey)
#1E488F
ΔE00 6.30
Blue (survey)
#0343DF
ΔE00 6.65
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3650B3 #B39936
analogous
#368EB3 #3650B3 #5A36B3
triadic
#3650B3 #B33650 #50B336
tetradic
#3650B3 #B3368E #B39936 #36B35A
square
#3650B3 #B3368E #B39936 #36B35A
split-complementary
#3650B3 #B35A36 #8EB336
monochromatic
#1A2655 #283B84 #3650B3 #5971CD #8899DB
Accessibility & contrast
On white
7.11
#3650B3 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.96
#3650B3 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #3650B3
7.11:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3650B3 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3650B3 | 1.00 | 7.11 | 2.96 | 7.11 |
| #FFFFFF | 7.11 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.96 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.11 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#005EB6
Deuteranopia (green-blind)
#0053B1
Tritanopia (blue-blind)
#006879
Achromatopsia (no color)
#585858
Design tokens & code
CSS
--color: #3650b3; /* rgb */ color: rgb(54, 80, 179); /* oklch */ color: oklch(47.0% 0.160 268.4);
Tailwind
colors: {
custom: {
50: '#7d80ca',
500: '#3650b3',
950: '#000000',
},
}SCSS
$custom: #3650b3; $custom-light: #7d80ca; $custom-dark: #000000;
JSON
{
"hex": "#3650b3",
"rgb": {
"r": 54,
"g": 80,
"b": 179
},
"hsl": {
"h": 227.52,
"s": 53.648,
"l": 45.686
},
"oklch": {
"l": 0.46968,
"c": 0.16004,
"h": 268.4
},
"luminance": 0.09776
}Semantic roles & 50–950 ramp
primary
#3650B3
secondary
#C5B780
accent
#BF4BDD
background
#F8F7FC
surface
#EFEEF8
border
#CAC9D1
text
#0B0A13
muted
#7C7C82