#2B178B#2B178B
#2B178B is a dark, vivid violet. Relative luminance 0.030; OKLCH L 33.0% C 0.175 H 278.7°. Best body text is #FFFFFF at 13.14:1 contrast (WCAG AA passes).
Color values
| HEX | #2B178B |
|---|---|
| RGB | rgb(43, 23, 139) |
| HSL | hsl(250, 72%, 32%) |
| HSV | hsv(250, 83%, 55%) |
| CMYK | cmyk(69.1%, 83.5%, 0%, 45.5%) |
| CIE-LAB | lab(20.00, 43.47, -59.87) |
| CIE-LCH | lch(20.00, 73.99, 305.98°) |
| OKLab | oklab(32.99% 0.0264 -0.1729) |
| OKLCH | oklch(32.99% 0.175 278.7) |
| XYZ | xyz(5.9614, 2.9900, 24.6841) |
| Luminance | 0.0299 (WCAG relative) |
| Temperature | cool |
| Family | violet |
Closest named colors
Royal
#0C1793
ΔE00 2.54
Indigo (survey)
#380282
ΔE00 3.72
Darkblue
#00008B
ΔE00 4.28
Cobalt Blue
#030AA7
ΔE00 4.39
Royal Blue (survey)
#0504AA
ΔE00 4.82
Midnight Blue
#191970
ΔE00 4.86
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2B178B #778B17
analogous
#173D8B #2B178B #65178B
triadic
#2B178B #8B2B17 #178B2B
tetradic
#2B178B #8B173D #778B17 #178B65
square
#2B178B #8B173D #778B17 #178B65
split-complementary
#2B178B #8B6517 #3D8B17
monochromatic
#0B0622 #1B0E56 #2B178B #3B20C0 #593DDF
Accessibility & contrast
On white
13.14
#2B178B on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.60
#2B178B on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2B178B
13.14:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2B178B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2B178B | 1.00 | 13.14 | 1.60 | 13.14 |
| #FFFFFF | 13.14 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.60 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 13.14 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#00358E
Deuteranopia (green-blind)
#002C89
Tritanopia (blue-blind)
#003B52
Achromatopsia (no color)
#303030
Design tokens & code
CSS
--color: #2b178b; /* rgb */ color: rgb(43, 23, 139); /* oklch */ color: oklch(33.0% 0.175 278.7);
Tailwind
colors: {
custom: {
50: '#7459ae',
500: '#2b178b',
950: '#000000',
},
}SCSS
$custom: #2b178b; $custom-light: #7459ae; $custom-dark: #000000;
JSON
{
"hex": "#2b178b",
"rgb": {
"r": 43,
"g": 23,
"b": 139
},
"hsl": {
"h": 250.345,
"s": 71.605,
"l": 31.765
},
"oklch": {
"l": 0.32993,
"c": 0.17493,
"h": 278.7
},
"luminance": 0.0299
}Semantic roles & 50–950 ramp
primary
#2B178B
secondary
#A9BF3F
accent
#EE39CF
background
#F7F5FA
surface
#EEE9F5
border
#C9C5CF
text
#090410
muted
#7B797F