#3A6CB5#3A6CB5
#3A6CB5 is a mid, vivid blue. Relative luminance 0.150; OKLCH L 53.3% C 0.127 H 257.9°. Best body text is #FFFFFF at 5.26:1 contrast (WCAG AA passes).
Color values
| HEX | #3A6CB5 |
|---|---|
| RGB | rgb(58, 108, 181) |
| HSL | hsl(216, 51%, 47%) |
| HSV | hsv(216, 68%, 71%) |
| CMYK | cmyk(68%, 40.3%, 0%, 29%) |
| CIE-LAB | lab(45.58, 7.42, -43.66) |
| CIE-LCH | lch(45.58, 44.29, 279.65°) |
| OKLab | oklab(53.29% -0.0266 -0.1244) |
| OKLCH | oklch(53.29% 0.127 257.9) |
| XYZ | xyz(15.4450, 14.9593, 45.7806) |
| Luminance | 0.1496 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
French Blue
#436BAD
ΔE00 1.58
Medium Blue
#2C6FBB
ΔE00 2.23
Mid Blue
#276AB3
ΔE00 2.32
Flat Blue
#3C73A8
ΔE00 3.59
Muted Blue
#3B719F
ΔE00 4.26
Denim
#1560BD
ΔE00 4.33
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3A6CB5 #B5833A
analogous
#3AA9B5 #3A6CB5 #463AB5
triadic
#3A6CB5 #B53A6C #6CB53A
tetradic
#3A6CB5 #B53AA9 #B5833A #3AB546
square
#3A6CB5 #B53AA9 #B5833A #3AB546
split-complementary
#3A6CB5 #B5463A #A9B53A
monochromatic
#1C3558 #2B5087 #3A6CB5 #608CCC #8EAEDB
Accessibility & contrast
On white
5.26
#3A6CB5 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.99
#3A6CB5 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #3A6CB5
5.26:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3A6CB5 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3A6CB5 | 1.00 | 5.26 | 3.99 | 5.26 |
| #FFFFFF | 5.26 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.99 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.26 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4B72B8
Deuteranopia (green-blind)
#3867B4
Tritanopia (blue-blind)
#007D88
Achromatopsia (no color)
#6C6C6C
Design tokens & code
CSS
--color: #3a6cb5; /* rgb */ color: rgb(58, 108, 181); /* oklch */ color: oklch(53.3% 0.127 257.9);
Tailwind
colors: {
custom: {
50: '#7e95cb',
500: '#3a6cb5',
950: '#000000',
},
}SCSS
$custom: #3a6cb5; $custom-light: #7e95cb; $custom-dark: #000000;
JSON
{
"hex": "#3a6cb5",
"rgb": {
"r": 58,
"g": 108,
"b": 181
},
"hsl": {
"h": 215.61,
"s": 51.464,
"l": 46.863
},
"oklch": {
"l": 0.53288,
"c": 0.12724,
"h": 257.9
},
"luminance": 0.14961
}Semantic roles & 50–950 ramp
primary
#3A6CB5
secondary
#C6AB85
accent
#A14DDB
background
#F8F9FC
surface
#EFF1F8
border
#CACBD1
text
#0B0D13
muted
#7C7E82