#3B5FD3#3B5FD3
#3B5FD3 is a mid, vivid blue. Relative luminance 0.138; OKLCH L 52.7% C 0.183 H 266.9°. Best body text is #FFFFFF at 5.58:1 contrast (WCAG AA passes).
Color values
| HEX | #3B5FD3 |
|---|---|
| RGB | rgb(59, 95, 211) |
| HSL | hsl(226, 63%, 53%) |
| HSV | hsv(226, 72%, 83%) |
| CMYK | cmyk(72%, 55%, 0%, 17.3%) |
| CIE-LAB | lab(43.97, 26.78, -63.58) |
| CIE-LCH | lch(43.97, 68.98, 292.84°) |
| OKLab | oklab(52.69% -0.0101 -0.1832) |
| OKLCH | oklch(52.69% 0.183 266.9) |
| XYZ | xyz(17.6496, 13.8155, 63.3519) |
| Luminance | 0.1382 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Azul
#1D5DEC
ΔE00 2.98
Royal Blue
#4169E1
ΔE00 3.85
Warm Blue
#4B57DB
ΔE00 4.07
Bright Blue
#0165FC
ΔE00 5.24
Denim
#1560BD
ΔE00 5.64
Cornflower Blue
#5170D7
ΔE00 5.98
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3B5FD3 #D3AF3B
analogous
#3BABD3 #3B5FD3 #633BD3
triadic
#3B5FD3 #D33B5F #5FD33B
tetradic
#3B5FD3 #D33BAB #D3AF3B #3BD363
square
#3B5FD3 #D33BAB #D3AF3B #3BD363
split-complementary
#3B5FD3 #D3633B #ABD33B
monochromatic
#1B3179 #2646AB #3B5FD3 #6D88DE #9FB1E9
Accessibility & contrast
On white
5.58
#3B5FD3 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.76
#3B5FD3 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #3B5FD3
5.58:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3B5FD3 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3B5FD3 | 1.00 | 5.58 | 3.76 | 5.58 |
| #FFFFFF | 5.58 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.76 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.58 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#006FD7
Deuteranopia (green-blind)
#0061D1
Tritanopia (blue-blind)
#007B90
Achromatopsia (no color)
#686868
Design tokens & code
CSS
--color: #3b5fd3; /* rgb */ color: rgb(59, 95, 211); /* oklch */ color: oklch(52.7% 0.183 266.9);
Tailwind
colors: {
custom: {
50: '#848be1',
500: '#3b5fd3',
950: '#000000',
},
}SCSS
$custom: #3b5fd3; $custom-light: #848be1; $custom-dark: #000000;
JSON
{
"hex": "#3b5fd3",
"rgb": {
"r": 59,
"g": 95,
"b": 211
},
"hsl": {
"h": 225.789,
"s": 63.333,
"l": 52.941
},
"oklch": {
"l": 0.52685,
"c": 0.18344,
"h": 266.9
},
"luminance": 0.13817
}Semantic roles & 50–950 ramp
primary
#3B5FD3
secondary
#D6C694
accent
#BF41E6
background
#F8F8FD
surface
#F0F0FB
border
#CBCBD4
text
#0C0C15
muted
#7D7D83