#3447AC#3447AC
#3447AC is a dark, vivid blue. Relative luminance 0.082; OKLCH L 44.5% C 0.162 H 270.3°. Best body text is #FFFFFF at 7.95:1 contrast (WCAG AA passes).
Color values
| HEX | #3447AC |
|---|---|
| RGB | rgb(52, 71, 172) |
| HSL | hsl(231, 54%, 44%) |
| HSV | hsv(231, 70%, 67%) |
| CMYK | cmyk(69.8%, 58.7%, 0%, 32.5%) |
| CIE-LAB | lab(34.42, 27.15, -56.33) |
| CIE-LCH | lch(34.42, 62.53, 295.73°) |
| OKLab | oklab(44.52% 0.0009 -0.1623) |
| OKLCH | oklch(44.52% 0.162 270.3) |
| XYZ | xyz(11.1133, 8.2140, 40.0215) |
| Luminance | 0.0822 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Blue Blue
#2242C7
ΔE00 3.95
Cobalt
#0047AB
ΔE00 4.01
Sapphire (survey)
#2138AB
ΔE00 4.50
Blueberry
#464196
ΔE00 5.05
Ocean Blue
#4F42B5
ΔE00 5.09
Sapphire
#0F52BA
ΔE00 5.49
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3447AC #AC9934
analogous
#3483AC #3447AC #5D34AC
triadic
#3447AC #AC3447 #47AC34
tetradic
#3447AC #AC3483 #AC9934 #34AC5D
square
#3447AC #AC3483 #AC9934 #34AC5D
split-complementary
#3447AC #AC5D34 #83AC34
monochromatic
#18204E #26347D #3447AC #5265CB #818FD9
Accessibility & contrast
On white
7.95
#3447AC on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.64
#3447AC on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #3447AC
7.95:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3447AC | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3447AC | 1.00 | 7.95 | 2.64 | 7.95 |
| #FFFFFF | 7.95 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.64 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.95 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0057AF
Deuteranopia (green-blind)
#004CAA
Tritanopia (blue-blind)
#006072
Achromatopsia (no color)
#515151
Design tokens & code
CSS
--color: #3447ac; /* rgb */ color: rgb(52, 71, 172); /* oklch */ color: oklch(44.5% 0.162 270.3);
Tailwind
colors: {
custom: {
50: '#7b7ac6',
500: '#3447ac',
950: '#000000',
},
}SCSS
$custom: #3447ac; $custom-light: #7b7ac6; $custom-dark: #000000;
JSON
{
"hex": "#3447ac",
"rgb": {
"r": 52,
"g": 71,
"b": 172
},
"hsl": {
"h": 230.5,
"s": 53.571,
"l": 43.922
},
"oklch": {
"l": 0.44518,
"c": 0.16233,
"h": 270.3
},
"luminance": 0.08215
}Semantic roles & 50–950 ramp
primary
#3447AC
secondary
#C2B779
accent
#C64BDD
background
#F8F7FC
surface
#EFEDF8
border
#CAC8D1
text
#0B0913
muted
#7C7B82