#3B4AB3#3B4AB3
#3B4AB3 is a mid, vivid blue. Relative luminance 0.091; OKLCH L 46.1% C 0.166 H 272.0°. Best body text is #FFFFFF at 7.46:1 contrast (WCAG AA passes).
Color values
| HEX | #3B4AB3 |
|---|---|
| RGB | rgb(59, 74, 179) |
| HSL | hsl(233, 50%, 47%) |
| HSV | hsv(233, 67%, 70%) |
| CMYK | cmyk(67%, 58.7%, 0%, 29.8%) |
| CIE-LAB | lab(36.14, 28.76, -57.67) |
| CIE-LCH | lch(36.14, 64.45, 296.50°) |
| OKLab | oklab(46.07% 0.0058 -0.1661) |
| OKLCH | oklch(46.07% 0.166 272) |
| XYZ | xyz(12.3864, 9.0809, 43.7391) |
| Luminance | 0.0908 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Blue Blue
#2242C7
ΔE00 3.74
Ocean Blue
#4F42B5
ΔE00 4.47
Cobalt
#0047AB
ΔE00 5.00
Sapphire
#0F52BA
ΔE00 5.42
Sapphire (survey)
#2138AB
ΔE00 5.53
Blueberry
#464196
ΔE00 5.60
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3B4AB3 #B3A43B
analogous
#3B86B3 #3B4AB3 #683BB3
triadic
#3B4AB3 #B33B4A #4AB33B
tetradic
#3B4AB3 #B33B86 #B3A43B #3BB368
square
#3B4AB3 #B33B86 #B3A43B #3BB368
split-complementary
#3B4AB3 #B3683B #86B33B
monochromatic
#1D2457 #2C3785 #3B4AB3 #606ECB #8E98DA
Accessibility & contrast
On white
7.46
#3B4AB3 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.82
#3B4AB3 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #3B4AB3
7.46:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3B4AB3 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3B4AB3 | 1.00 | 7.46 | 2.82 | 7.46 |
| #FFFFFF | 7.46 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.82 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.46 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#005BB7
Deuteranopia (green-blind)
#0050B1
Tritanopia (blue-blind)
#006477
Achromatopsia (no color)
#555555
Design tokens & code
CSS
--color: #3b4ab3; /* rgb */ color: rgb(59, 74, 179); /* oklch */ color: oklch(46.1% 0.166 272.0);
Tailwind
colors: {
custom: {
50: '#7f7ccb',
500: '#3b4ab3',
950: '#000000',
},
}SCSS
$custom: #3b4ab3; $custom-light: #7f7ccb; $custom-dark: #000000;
JSON
{
"hex": "#3b4ab3",
"rgb": {
"r": 59,
"g": 74,
"b": 179
},
"hsl": {
"h": 232.5,
"s": 50.42,
"l": 46.667
},
"oklch": {
"l": 0.46072,
"c": 0.16619,
"h": 272
},
"luminance": 0.09082
}Semantic roles & 50–950 ramp
primary
#3B4AB3
secondary
#C5BD85
accent
#C84EDA
background
#F8F7FC
surface
#EFEEF9
border
#CAC9D2
text
#0B0913
muted
#7C7B82