#3545B0#3545B0
#3545B0 is a dark, vivid blue. Relative luminance 0.081; OKLCH L 44.5% C 0.170 H 271.2°. Best body text is #FFFFFF at 7.99:1 contrast (WCAG AA passes).
Color values
| HEX | #3545B0 |
|---|---|
| RGB | rgb(53, 69, 176) |
| HSL | hsl(232, 54%, 45%) |
| HSV | hsv(232, 70%, 69%) |
| CMYK | cmyk(69.9%, 60.8%, 0%, 31%) |
| CIE-LAB | lab(34.29, 30.05, -58.93) |
| CIE-LCH | lch(34.29, 66.15, 297.02°) |
| OKLab | oklab(44.53% 0.0035 -0.17) |
| OKLCH | oklch(44.53% 0.17 271.2) |
| XYZ | xyz(11.4301, 8.1466, 42.0360) |
| Luminance | 0.0815 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Blue Blue
#2242C7
ΔE00 3.24
Sapphire (survey)
#2138AB
ΔE00 3.95
Ocean Blue
#4F42B5
ΔE00 4.33
Cobalt
#0047AB
ΔE00 4.62
Blueberry
#464196
ΔE00 5.03
Blue (survey)
#0343DF
ΔE00 5.89
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3545B0 #B0A035
analogous
#3583B0 #3545B0 #6235B0
triadic
#3545B0 #B03545 #45B035
tetradic
#3545B0 #B03583 #B0A035 #35B062
square
#3545B0 #B03583 #B0A035 #35B062
split-complementary
#3545B0 #B06235 #83B035
monochromatic
#192052 #273381 #3545B0 #5665CC #8590DA
Accessibility & contrast
On white
7.99
#3545B0 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.63
#3545B0 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #3545B0
7.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3545B0 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3545B0 | 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)
#0056B4
Deuteranopia (green-blind)
#004BAE
Tritanopia (blue-blind)
#006074
Achromatopsia (no color)
#515151
Design tokens & code
CSS
--color: #3545b0; /* rgb */ color: rgb(53, 69, 176); /* oklch */ color: oklch(44.5% 0.170 271.2);
Tailwind
colors: {
custom: {
50: '#7c78c8',
500: '#3545b0',
950: '#000000',
},
}SCSS
$custom: #3545b0; $custom-light: #7c78c8; $custom-dark: #000000;
JSON
{
"hex": "#3545b0",
"rgb": {
"r": 53,
"g": 69,
"b": 176
},
"hsl": {
"h": 232.195,
"s": 53.712,
"l": 44.902
},
"oklch": {
"l": 0.4453,
"c": 0.17001,
"h": 271.2
},
"luminance": 0.08148
}Semantic roles & 50–950 ramp
primary
#3545B0
secondary
#C4BB7D
accent
#CA4BDD
background
#F8F7FC
surface
#EFEDF8
border
#CAC8D1
text
#0B0913
muted
#7C7B82