#3543B3#3543B3
#3543B3 is a dark, vivid blue. Relative luminance 0.080; OKLCH L 44.4% C 0.176 H 271.6°. Best body text is #FFFFFF at 8.06:1 contrast (WCAG AA passes).
Color values
| HEX | #3543B3 |
|---|---|
| RGB | rgb(53, 67, 179) |
| HSL | hsl(233, 54%, 45%) |
| HSV | hsv(233, 70%, 70%) |
| CMYK | cmyk(70.4%, 62.6%, 0%, 29.8%) |
| CIE-LAB | lab(34.03, 32.42, -61.12) |
| CIE-LCH | lch(34.03, 69.19, 297.94°) |
| OKLab | oklab(44.42% 0.005 -0.1764) |
| OKLCH | oklch(44.42% 0.177 271.6) |
| XYZ | xyz(11.6093, 8.0247, 43.5762) |
| Luminance | 0.0803 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Blue Blue
#2242C7
ΔE00 2.77
Sapphire (survey)
#2138AB
ΔE00 3.54
Ocean Blue
#4F42B5
ΔE00 3.89
Cobalt
#0047AB
ΔE00 5.13
Blueberry
#464196
ΔE00 5.18
Blue (survey)
#0343DF
ΔE00 5.49
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3543B3 #B3A535
analogous
#3582B3 #3543B3 #6635B3
triadic
#3543B3 #B33543 #43B335
tetradic
#3543B3 #B33582 #B3A535 #35B366
square
#3543B3 #B33582 #B3A535 #35B366
split-complementary
#3543B3 #B36635 #82B335
monochromatic
#192055 #273184 #3543B3 #5865CD #8790DB
Accessibility & contrast
On white
8.06
#3543B3 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.61
#3543B3 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #3543B3
8.06:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3543B3 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3543B3 | 1.00 | 8.06 | 2.61 | 8.06 |
| #FFFFFF | 8.06 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.61 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.06 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0056B7
Deuteranopia (green-blind)
#004AB1
Tritanopia (blue-blind)
#006074
Achromatopsia (no color)
#505050
Design tokens & code
CSS
--color: #3543b3; /* rgb */ color: rgb(53, 67, 179); /* oklch */ color: oklch(44.4% 0.176 271.6);
Tailwind
colors: {
custom: {
50: '#7d77cb',
500: '#3543b3',
950: '#000000',
},
}SCSS
$custom: #3543b3; $custom-light: #7d77cb; $custom-dark: #000000;
JSON
{
"hex": "#3543b3",
"rgb": {
"r": 53,
"g": 67,
"b": 179
},
"hsl": {
"h": 233.333,
"s": 54.31,
"l": 45.49
},
"oklch": {
"l": 0.44421,
"c": 0.1765,
"h": 271.6
},
"luminance": 0.08026
}Semantic roles & 50–950 ramp
primary
#3543B3
secondary
#C5BD7F
accent
#CD4ADE
background
#F8F7FC
surface
#EFEDF9
border
#CAC8D2
text
#0B0813
muted
#7C7B82