#3B4BB9#3B4BB9
#3B4BB9 is a mid, vivid blue. Relative luminance 0.095; OKLCH L 46.8% C 0.173 H 271.6°. Best body text is #FFFFFF at 7.26:1 contrast (WCAG AA passes).
Color values
| HEX | #3B4BB9 |
|---|---|
| RGB | rgb(59, 75, 185) |
| HSL | hsl(232, 52%, 48%) |
| HSV | hsv(232, 68%, 73%) |
| CMYK | cmyk(68.1%, 59.5%, 0%, 27.5%) |
| CIE-LAB | lab(36.86, 30.25, -60.04) |
| CIE-LCH | lch(36.86, 67.23, 296.74°) |
| OKLab | oklab(46.76% 0.005 -0.173) |
| OKLCH | oklch(46.76% 0.173 271.6) |
| XYZ | xyz(13.0737, 9.4635, 47.0272) |
| Luminance | 0.0946 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Blue Blue
#2242C7
ΔE00 3.43
Ocean Blue
#4F42B5
ΔE00 4.54
Blue (survey)
#0343DF
ΔE00 5.25
Sapphire
#0F52BA
ΔE00 5.27
Cobalt
#0047AB
ΔE00 5.33
Sapphire (survey)
#2138AB
ΔE00 5.98
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3B4BB9 #B9A93B
analogous
#3B8AB9 #3B4BB9 #6A3BB9
triadic
#3B4BB9 #B93B4B #4BB93B
tetradic
#3B4BB9 #B93B8A #B9A93B #3BB96A
square
#3B4BB9 #B93B8A #B9A93B #3BB96A
split-complementary
#3B4BB9 #B96A3B #8AB93B
monochromatic
#1D255C #2C388B #3B4BB9 #6471CD #929CDC
Accessibility & contrast
On white
7.26
#3B4BB9 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.89
#3B4BB9 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #3B4BB9
7.26:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3B4BB9 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3B4BB9 | 1.00 | 7.26 | 2.89 | 7.26 |
| #FFFFFF | 7.26 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.89 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.26 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#005DBD
Deuteranopia (green-blind)
#0051B7
Tritanopia (blue-blind)
#00667A
Achromatopsia (no color)
#575757
Design tokens & code
CSS
--color: #3b4bb9; /* rgb */ color: rgb(59, 75, 185); /* oklch */ color: oklch(46.8% 0.173 271.6);
Tailwind
colors: {
custom: {
50: '#807dcf',
500: '#3b4bb9',
950: '#000000',
},
}SCSS
$custom: #3b4bb9; $custom-light: #807dcf; $custom-dark: #000000;
JSON
{
"hex": "#3b4bb9",
"rgb": {
"r": 59,
"g": 75,
"b": 185
},
"hsl": {
"h": 232.381,
"s": 51.639,
"l": 47.843
},
"oklch": {
"l": 0.46755,
"c": 0.1731,
"h": 271.6
},
"luminance": 0.09465
}Semantic roles & 50–950 ramp
primary
#3B4BB9
secondary
#C7BF88
accent
#C94DDB
background
#F8F7FC
surface
#F0EEF9
border
#CBC9D2
text
#0B0914
muted
#7C7B82