#3646AA#3646AA
#3646AA is a dark, vivid blue. Relative luminance 0.081; OKLCH L 44.3% C 0.160 H 271.4°. Best body text is #FFFFFF at 8.04:1 contrast (WCAG AA passes).
Color values
| HEX | #3646AA |
|---|---|
| RGB | rgb(54, 70, 170) |
| HSL | hsl(232, 52%, 44%) |
| HSV | hsv(232, 68%, 67%) |
| CMYK | cmyk(68.2%, 58.8%, 0%, 33.3%) |
| CIE-LAB | lab(34.12, 27.37, -55.62) |
| CIE-LCH | lch(34.12, 61.99, 296.20°) |
| OKLab | oklab(44.27% 0.0038 -0.1602) |
| OKLCH | oklch(44.27% 0.16 271.4) |
| XYZ | xyz(10.9647, 8.0658, 39.0014) |
| Luminance | 0.0807 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Blue Blue
#2242C7
ΔE00 4.14
Sapphire (survey)
#2138AB
ΔE00 4.27
Cobalt
#0047AB
ΔE00 4.36
Blueberry
#464196
ΔE00 4.56
Ocean Blue
#4F42B5
ΔE00 4.80
Sapphire
#0F52BA
ΔE00 5.99
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3646AA #AA9A36
analogous
#3680AA #3646AA #6036AA
triadic
#3646AA #AA3646 #46AA36
tetradic
#3646AA #AA3680 #AA9A36 #36AA60
square
#3646AA #AA3680 #AA9A36 #36AA60
split-complementary
#3646AA #AA6036 #80AA36
monochromatic
#18204D #27337C #3646AA #5464C9 #838FD8
Accessibility & contrast
On white
8.04
#3646AA on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.61
#3646AA on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #3646AA
8.04:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3646AA | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3646AA | 1.00 | 8.04 | 2.61 | 8.04 |
| #FFFFFF | 8.04 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.61 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.04 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0056AD
Deuteranopia (green-blind)
#004BA8
Tritanopia (blue-blind)
#005F71
Achromatopsia (no color)
#505050
Design tokens & code
CSS
--color: #3646aa; /* rgb */ color: rgb(54, 70, 170); /* oklch */ color: oklch(44.3% 0.160 271.4);
Tailwind
colors: {
custom: {
50: '#7b79c4',
500: '#3646aa',
950: '#000000',
},
}SCSS
$custom: #3646aa; $custom-light: #7b79c4; $custom-dark: #000000;
JSON
{
"hex": "#3646aa",
"rgb": {
"r": 54,
"g": 70,
"b": 170
},
"hsl": {
"h": 231.724,
"s": 51.786,
"l": 43.922
},
"oklch": {
"l": 0.44271,
"c": 0.16027,
"h": 271.4
},
"luminance": 0.08067
}Semantic roles & 50–950 ramp
primary
#3646AA
secondary
#C1B77B
accent
#C84DDB
background
#F8F7FC
surface
#EFEDF8
border
#CAC8D1
text
#0B0913
muted
#7C7B82