#3544B5#3544B5
#3544B5 is a dark, vivid blue. Relative luminance 0.082; OKLCH L 44.8% C 0.178 H 271.3°. Best body text is #FFFFFF at 7.94:1 contrast (WCAG AA passes).
Color values
| HEX | #3544B5 |
|---|---|
| RGB | rgb(53, 68, 181) |
| HSL | hsl(233, 55%, 46%) |
| HSV | hsv(233, 71%, 71%) |
| CMYK | cmyk(70.7%, 62.4%, 0%, 29%) |
| CIE-LAB | lab(34.45, 32.49, -61.63) |
| CIE-LCH | lch(34.45, 69.67, 297.80°) |
| OKLab | oklab(44.78% 0.0042 -0.1779) |
| OKLCH | oklch(44.78% 0.178 271.3) |
| XYZ | xyz(11.8730, 8.2262, 44.6692) |
| Luminance | 0.0823 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Blue Blue
#2242C7
ΔE00 2.56
Sapphire (survey)
#2138AB
ΔE00 3.86
Ocean Blue
#4F42B5
ΔE00 3.94
Cobalt
#0047AB
ΔE00 5.08
Blue (survey)
#0343DF
ΔE00 5.23
Blueberry
#464196
ΔE00 5.45
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3544B5 #B5A635
analogous
#3584B5 #3544B5 #6635B5
triadic
#3544B5 #B53544 #44B535
tetradic
#3544B5 #B53584 #B5A635 #35B566
square
#3544B5 #B53584 #B5A635 #35B566
split-complementary
#3544B5 #B56635 #84B535
monochromatic
#192056 #273286 #3544B5 #5967CE #8892DC
Accessibility & contrast
On white
7.94
#3544B5 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.65
#3544B5 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #3544B5
7.94:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3544B5 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3544B5 | 1.00 | 7.94 | 2.65 | 7.94 |
| #FFFFFF | 7.94 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.65 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.94 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0057B9
Deuteranopia (green-blind)
#004BB3
Tritanopia (blue-blind)
#006176
Achromatopsia (no color)
#515151
Design tokens & code
CSS
--color: #3544b5; /* rgb */ color: rgb(53, 68, 181); /* oklch */ color: oklch(44.8% 0.178 271.3);
Tailwind
colors: {
custom: {
50: '#7d78cc',
500: '#3544b5',
950: '#000000',
},
}SCSS
$custom: #3544b5; $custom-light: #7d78cc; $custom-dark: #000000;
JSON
{
"hex": "#3544b5",
"rgb": {
"r": 53,
"g": 68,
"b": 181
},
"hsl": {
"h": 232.969,
"s": 54.701,
"l": 45.882
},
"oklch": {
"l": 0.44779,
"c": 0.17795,
"h": 271.3
},
"luminance": 0.08227
}Semantic roles & 50–950 ramp
primary
#3544B5
secondary
#C6BE80
accent
#CD4ADE
background
#F8F7FC
surface
#EFEDF9
border
#CAC8D2
text
#0B0813
muted
#7C7B82