#3548BD#3548BD
#3548BD is a mid, vivid blue. Relative luminance 0.091; OKLCH L 46.2% C 0.184 H 270.3°. Best body text is #FFFFFF at 7.46:1 contrast (WCAG AA passes).
Color values
| HEX | #3548BD |
|---|---|
| RGB | rgb(53, 72, 189) |
| HSL | hsl(232, 56%, 47%) |
| HSV | hsv(232, 72%, 74%) |
| CMYK | cmyk(72%, 61.9%, 0%, 25.9%) |
| CIE-LAB | lab(36.11, 32.80, -63.63) |
| CIE-LCH | lch(36.11, 71.59, 297.27°) |
| OKLab | oklab(46.21% 0.0011 -0.1837) |
| OKLCH | oklch(46.21% 0.184 270.3) |
| XYZ | xyz(12.9677, 9.0644, 49.2004) |
| Luminance | 0.0907 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Blue Blue
#2242C7
ΔE00 2.30
Blue (survey)
#0343DF
ΔE00 4.36
Ocean Blue
#4F42B5
ΔE00 4.46
Cobalt
#0047AB
ΔE00 5.19
Sapphire (survey)
#2138AB
ΔE00 5.26
Sapphire
#0F52BA
ΔE00 5.51
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3548BD #BDAA35
analogous
#358CBD #3548BD #6635BD
triadic
#3548BD #BD3548 #48BD35
tetradic
#3548BD #BD358C #BDAA35 #35BD66
square
#3548BD #BD358C #BDAA35 #35BD66
split-complementary
#3548BD #BD6635 #8CBD35
monochromatic
#1A245D #28368D #3548BD #5D6ED2 #8D99DF
Accessibility & contrast
On white
7.46
#3548BD on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.81
#3548BD on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #3548BD
7.46:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3548BD | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3548BD | 1.00 | 7.46 | 2.81 | 7.46 |
| #FFFFFF | 7.46 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.81 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.46 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#005BC1
Deuteranopia (green-blind)
#004FBB
Tritanopia (blue-blind)
#00667B
Achromatopsia (no color)
#555555
Design tokens & code
CSS
--color: #3548bd; /* rgb */ color: rgb(53, 72, 189); /* oklch */ color: oklch(46.2% 0.184 270.3);
Tailwind
colors: {
custom: {
50: '#7f7bd2',
500: '#3548bd',
950: '#000000',
},
}SCSS
$custom: #3548bd; $custom-light: #7f7bd2; $custom-dark: #000000;
JSON
{
"hex": "#3548bd",
"rgb": {
"r": 53,
"g": 72,
"b": 189
},
"hsl": {
"h": 231.618,
"s": 56.198,
"l": 47.451
},
"oklch": {
"l": 0.4621,
"c": 0.18375,
"h": 270.3
},
"luminance": 0.09066
}Semantic roles & 50–950 ramp
primary
#3548BD
secondary
#CAC084
accent
#CA48DF
background
#F8F7FD
surface
#F0EDFA
border
#CBC8D3
text
#0B0914
muted
#7C7B83