#3B6DB9#3B6DB9
#3B6DB9 is a mid, vivid blue. Relative luminance 0.154; OKLCH L 53.8% C 0.131 H 258.6°. Best body text is #FFFFFF at 5.15:1 contrast (WCAG AA passes).
Color values
| HEX | #3B6DB9 |
|---|---|
| RGB | rgb(59, 109, 185) |
| HSL | hsl(216, 52%, 48%) |
| HSV | hsv(216, 68%, 73%) |
| CMYK | cmyk(68.1%, 41.1%, 0%, 27.5%) |
| CIE-LAB | lab(46.13, 8.41, -45.10) |
| CIE-LCH | lch(46.13, 45.88, 280.56°) |
| OKLab | oklab(53.81% -0.0259 -0.1286) |
| OKLCH | oklch(53.81% 0.131 258.6) |
| XYZ | xyz(16.0261, 15.3682, 48.0113) |
| Luminance | 0.1537 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
French Blue
#436BAD
ΔE00 1.85
Medium Blue
#2C6FBB
ΔE00 2.23
Mid Blue
#276AB3
ΔE00 2.75
Flat Blue
#3C73A8
ΔE00 3.66
Muted Blue
#3B719F
ΔE00 4.47
Windows Blue
#3778BF
ΔE00 4.49
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3B6DB9 #B9873B
analogous
#3BACB9 #3B6DB9 #483BB9
triadic
#3B6DB9 #B93B6D #6DB93B
tetradic
#3B6DB9 #B93BAC #B9873B #3BB948
square
#3B6DB9 #B93BAC #B9873B #3BB948
split-complementary
#3B6DB9 #B9483B #ACB93B
monochromatic
#1D365C #2C528B #3B6DB9 #648ECD #92B0DC
Accessibility & contrast
On white
5.15
#3B6DB9 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.07
#3B6DB9 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #3B6DB9
5.15:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3B6DB9 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3B6DB9 | 1.00 | 5.15 | 4.07 | 5.15 |
| #FFFFFF | 5.15 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.07 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.15 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4A74BC
Deuteranopia (green-blind)
#3668B7
Tritanopia (blue-blind)
#007F8A
Achromatopsia (no color)
#6D6D6D
Design tokens & code
CSS
--color: #3b6db9; /* rgb */ color: rgb(59, 109, 185); /* oklch */ color: oklch(53.8% 0.131 258.6);
Tailwind
colors: {
custom: {
50: '#7f96ce',
500: '#3b6db9',
950: '#000000',
},
}SCSS
$custom: #3b6db9; $custom-light: #7f96ce; $custom-dark: #000000;
JSON
{
"hex": "#3b6db9",
"rgb": {
"r": 59,
"g": 109,
"b": 185
},
"hsl": {
"h": 216.19,
"s": 51.639,
"l": 47.843
},
"oklch": {
"l": 0.53805,
"c": 0.13119,
"h": 258.6
},
"luminance": 0.1537
}Semantic roles & 50–950 ramp
primary
#3B6DB9
secondary
#C7AE88
accent
#A34DDB
background
#F8F9FC
surface
#EFF1F9
border
#CACBD2
text
#0B0D14
muted
#7C7E82