#3B3DAA#3B3DAA
#3B3DAA is a dark, vivid blue. Relative luminance 0.072; OKLCH L 42.9% C 0.170 H 275.7°. Best body text is #FFFFFF at 8.63:1 contrast (WCAG AA passes).
Color values
| HEX | #3B3DAA |
|---|---|
| RGB | rgb(59, 61, 170) |
| HSL | hsl(239, 48%, 45%) |
| HSV | hsv(239, 65%, 67%) |
| CMYK | cmyk(65.3%, 64.1%, 0%, 33.3%) |
| CIE-LAB | lab(32.19, 33.91, -58.76) |
| CIE-LCH | lch(32.19, 67.84, 299.99°) |
| OKLab | oklab(42.93% 0.017 -0.1694) |
| OKLCH | oklch(42.93% 0.17 275.7) |
| XYZ | xyz(10.7257, 7.1687, 38.8409) |
| Luminance | 0.0717 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 2.82
Ocean Blue
#4F42B5
ΔE00 3.46
Blueberry
#464196
ΔE00 3.88
Blue Blue
#2242C7
ΔE00 4.52
Blue With A Hint Of Purple
#533CC6
ΔE00 5.41
Darkslateblue
#483D8B
ΔE00 5.71
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3B3DAA #AAA83B
analogous
#3B74AA #3B3DAA #713BAA
triadic
#3B3DAA #AA3B3D #3DAA3B
tetradic
#3B3DAA #AA3B74 #AAA83B #3BAA71
square
#3B3DAA #AA3B74 #AAA83B #3BAA71
split-complementary
#3B3DAA #AA713B #74AA3B
monochromatic
#1B1C4F #2B2D7D #3B3DAA #5C5EC6 #898BD6
Accessibility & contrast
On white
8.63
#3B3DAA on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.43
#3B3DAA on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #3B3DAA
8.63:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3B3DAA | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3B3DAA | 1.00 | 8.63 | 2.43 | 8.63 |
| #FFFFFF | 8.63 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.43 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.63 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0051AD
Deuteranopia (green-blind)
#0047A8
Tritanopia (blue-blind)
#00596E
Achromatopsia (no color)
#4C4C4C
Design tokens & code
CSS
--color: #3b3daa; /* rgb */ color: rgb(59, 61, 170); /* oklch */ color: oklch(42.9% 0.170 275.7);
Tailwind
colors: {
custom: {
50: '#7e73c4',
500: '#3b3daa',
950: '#000000',
},
}SCSS
$custom: #3b3daa; $custom-light: #7e73c4; $custom-dark: #000000;
JSON
{
"hex": "#3b3daa",
"rgb": {
"r": 59,
"g": 61,
"b": 170
},
"hsl": {
"h": 238.919,
"s": 48.472,
"l": 44.902
},
"oklch": {
"l": 0.42928,
"c": 0.17024,
"h": 275.7
},
"luminance": 0.0717
}Semantic roles & 50–950 ramp
primary
#3B3DAA
secondary
#C0BF80
accent
#D650D8
background
#F8F7FC
surface
#EFEDF8
border
#CAC8D1
text
#0B0813
muted
#7C7B82