#3447AA#3447AA
#3447AA is a dark, vivid blue. Relative luminance 0.081; OKLCH L 44.4% C 0.160 H 270.3°. Best body text is #FFFFFF at 7.99:1 contrast (WCAG AA passes).
Color values
| HEX | #3447AA |
|---|---|
| RGB | rgb(52, 71, 170) |
| HSL | hsl(230, 53%, 44%) |
| HSV | hsv(230, 69%, 67%) |
| CMYK | cmyk(69.4%, 58.2%, 0%, 33.3%) |
| CIE-LAB | lab(34.27, 26.42, -55.39) |
| CIE-LCH | lch(34.27, 61.36, 295.50°) |
| OKLab | oklab(44.35% 0.0009 -0.1596) |
| OKLCH | oklch(44.35% 0.16 270.3) |
| XYZ | xyz(10.9226, 8.1378, 39.0175) |
| Luminance | 0.0814 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt
#0047AB
ΔE00 3.94
Blue Blue
#2242C7
ΔE00 4.22
Sapphire (survey)
#2138AB
ΔE00 4.54
Blueberry
#464196
ΔE00 4.91
Ocean Blue
#4F42B5
ΔE00 5.24
Sapphire
#0F52BA
ΔE00 5.52
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3447AA #AA9734
analogous
#3482AA #3447AA #5C34AA
triadic
#3447AA #AA3447 #47AA34
tetradic
#3447AA #AA3482 #AA9734 #34AA5C
square
#3447AA #AA3482 #AA9734 #34AA5C
split-complementary
#3447AA #AA5C34 #82AA34
monochromatic
#17204C #26337B #3447AA #5165CA #808ED8
Accessibility & contrast
On white
7.99
#3447AA on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.63
#3447AA on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #3447AA
7.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3447AA | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3447AA | 1.00 | 7.99 | 2.63 | 7.99 |
| #FFFFFF | 7.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.63 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0056AD
Deuteranopia (green-blind)
#004BA8
Tritanopia (blue-blind)
#005F71
Achromatopsia (no color)
#515151
Design tokens & code
CSS
--color: #3447aa; /* rgb */ color: rgb(52, 71, 170); /* oklch */ color: oklch(44.4% 0.160 270.3);
Tailwind
colors: {
custom: {
50: '#7a7ac4',
500: '#3447aa',
950: '#000000',
},
}SCSS
$custom: #3447aa; $custom-light: #7a7ac4; $custom-dark: #000000;
JSON
{
"hex": "#3447aa",
"rgb": {
"r": 52,
"g": 71,
"b": 170
},
"hsl": {
"h": 230.339,
"s": 53.153,
"l": 43.529
},
"oklch": {
"l": 0.44352,
"c": 0.15957,
"h": 270.3
},
"luminance": 0.08139
}Semantic roles & 50–950 ramp
primary
#3447AA
secondary
#C1B678
accent
#C54BDD
background
#F8F7FC
surface
#EFEDF8
border
#CAC8D1
text
#0A0913
muted
#7C7B82