#3B548B#3B548B
#3B548B is a mid, moderate blue. Relative luminance 0.091; OKLCH L 45.3% C 0.095 H 264.4°. Best body text is #FFFFFF at 7.43:1 contrast (WCAG AA passes).
Color values
| HEX | #3B548B |
|---|---|
| RGB | rgb(59, 84, 139) |
| HSL | hsl(221, 40%, 39%) |
| HSV | hsv(221, 58%, 55%) |
| CMYK | cmyk(57.6%, 39.6%, 0%, 45.5%) |
| CIE-LAB | lab(36.24, 7.94, -33.49) |
| CIE-LCH | lch(36.24, 34.42, 283.34°) |
| OKLab | oklab(45.3% -0.0092 -0.0949) |
| OKLCH | oklch(45.3% 0.095 264.4) |
| XYZ | xyz(9.6326, 9.1338, 25.6765) |
| Luminance | 0.0914 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Denim Blue
#3B5B92
ΔE00 2.71
Dusk Blue
#26538D
ΔE00 3.62
Dusky Blue
#475F94
ΔE00 3.85
Light Navy Blue
#2E5A88
ΔE00 4.72
Cobalt (survey)
#1E488F
ΔE00 4.79
Twilight
#4E518B
ΔE00 5.31
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3B548B #8B723B
analogous
#3B7C8B #3B548B #4A3B8B
triadic
#3B548B #8B3B54 #548B3B
tetradic
#3B548B #8B3B7C #8B723B #3B8B4A
square
#3B548B #8B3B7C #8B723B #3B8B4A
split-complementary
#3B548B #8B4A3B #7C8B3B
monochromatic
#172035 #293A60 #3B548B #4F6FB4 #7A92C7
Accessibility & contrast
On white
7.43
#3B548B on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.83
#3B548B on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #3B548B
7.43:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3B548B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3B548B | 1.00 | 7.43 | 2.83 | 7.43 |
| #FFFFFF | 7.43 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.83 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.43 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#3D598D
Deuteranopia (green-blind)
#33528A
Tritanopia (blue-blind)
#066069
Achromatopsia (no color)
#555555
Design tokens & code
CSS
--color: #3b548b; /* rgb */ color: rgb(59, 84, 139); /* oklch */ color: oklch(45.3% 0.095 264.4);
Tailwind
colors: {
custom: {
50: '#7783ad',
500: '#3b548b',
950: '#000000',
},
}SCSS
$custom: #3b548b; $custom-light: #7783ad; $custom-dark: #000000;
JSON
{
"hex": "#3b548b",
"rgb": {
"r": 59,
"g": 84,
"b": 139
},
"hsl": {
"h": 221.25,
"s": 40.404,
"l": 38.824
},
"oklch": {
"l": 0.45298,
"c": 0.09537,
"h": 264.4
},
"luminance": 0.09135
}Semantic roles & 50–950 ramp
primary
#3B548B
secondary
#B09D72
accent
#AB58D0
background
#F7F8FA
surface
#EEEFF4
border
#C9CACE
text
#090A10
muted
#7B7C7F