#3B3DAD#3B3DAD
#3B3DAD is a dark, vivid blue. Relative luminance 0.073; OKLCH L 43.2% C 0.174 H 275.5°. Best body text is #FFFFFF at 8.55:1 contrast (WCAG AA passes).
Color values
| HEX | #3B3DAD |
|---|---|
| RGB | rgb(59, 61, 173) |
| HSL | hsl(239, 49%, 45%) |
| HSV | hsv(239, 66%, 68%) |
| CMYK | cmyk(65.9%, 64.7%, 0%, 32.2%) |
| CIE-LAB | lab(32.44, 34.95, -60.14) |
| CIE-LCH | lch(32.44, 69.55, 300.16°) |
| OKLab | oklab(43.19% 0.0167 -0.1734) |
| OKLCH | oklch(43.19% 0.174 275.5) |
| XYZ | xyz(11.0127, 7.2835, 40.3526) |
| Luminance | 0.0728 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 2.86
Ocean Blue
#4F42B5
ΔE00 3.26
Blue Blue
#2242C7
ΔE00 4.19
Blueberry
#464196
ΔE00 4.24
Blue With A Hint Of Purple
#533CC6
ΔE00 5.07
Blurple
#5539CC
ΔE00 5.94
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3B3DAD #ADAB3B
analogous
#3B76AD #3B3DAD #723BAD
triadic
#3B3DAD #AD3B3D #3DAD3B
tetradic
#3B3DAD #AD3B76 #ADAB3B #3BAD72
square
#3B3DAD #AD3B76 #ADAB3B #3BAD72
split-complementary
#3B3DAD #AD723B #76AD3B
monochromatic
#1C1D52 #2B2D7F #3B3DAD #5D5FC8 #8B8CD7
Accessibility & contrast
On white
8.55
#3B3DAD on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.46
#3B3DAD on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #3B3DAD
8.55:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3B3DAD | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3B3DAD | 1.00 | 8.55 | 2.46 | 8.55 |
| #FFFFFF | 8.55 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.46 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.55 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0051B1
Deuteranopia (green-blind)
#0047AB
Tritanopia (blue-blind)
#005A6F
Achromatopsia (no color)
#4C4C4C
Design tokens & code
CSS
--color: #3b3dad; /* rgb */ color: rgb(59, 61, 173); /* oklch */ color: oklch(43.2% 0.174 275.5);
Tailwind
colors: {
custom: {
50: '#7f73c6',
500: '#3b3dad',
950: '#000000',
},
}SCSS
$custom: #3b3dad; $custom-light: #7f73c6; $custom-dark: #000000;
JSON
{
"hex": "#3b3dad",
"rgb": {
"r": 59,
"g": 61,
"b": 173
},
"hsl": {
"h": 238.947,
"s": 49.138,
"l": 45.49
},
"oklch": {
"l": 0.43194,
"c": 0.17423,
"h": 275.5
},
"luminance": 0.07284
}Semantic roles & 50–950 ramp
primary
#3B3DAD
secondary
#C2C182
accent
#D64FD9
background
#F8F7FC
surface
#EFEDF8
border
#CAC8D1
text
#0B0813
muted
#7C7B82