#2B178C#2B178C
#2B178C is a dark, vivid violet. Relative luminance 0.030; OKLCH L 33.1% C 0.176 H 278.5°. Best body text is #FFFFFF at 13.09:1 contrast (WCAG AA passes).
Color values
| HEX | #2B178C |
|---|---|
| RGB | rgb(43, 23, 140) |
| HSL | hsl(250, 72%, 32%) |
| HSV | hsv(250, 84%, 55%) |
| CMYK | cmyk(69.3%, 83.6%, 0%, 45.1%) |
| CIE-LAB | lab(20.12, 43.78, -60.31) |
| CIE-LCH | lch(20.12, 74.52, 305.98°) |
| OKLab | oklab(33.11% 0.0261 -0.1742) |
| OKLCH | oklch(33.11% 0.176 278.5) |
| XYZ | xyz(6.0348, 3.0193, 25.0706) |
| Luminance | 0.0302 (WCAG relative) |
| Temperature | cool |
| Family | violet |
Closest named colors
Royal
#0C1793
ΔE00 2.48
Indigo (survey)
#380282
ΔE00 3.77
Cobalt Blue
#030AA7
ΔE00 4.27
Darkblue
#00008B
ΔE00 4.28
Royal Blue (survey)
#0504AA
ΔE00 4.70
Navy
#000080
ΔE00 4.94
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2B178C #788C17
analogous
#173E8C #2B178C #65178C
triadic
#2B178C #8C2B17 #178C2B
tetradic
#2B178C #8C173E #788C17 #178C65
square
#2B178C #8C173E #788C17 #178C65
split-complementary
#2B178C #8C6517 #3E8C17
monochromatic
#0B0623 #1B0E57 #2B178C #3B20C1 #5A3EDF
Accessibility & contrast
On white
13.09
#2B178C on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.60
#2B178C on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2B178C
13.09:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2B178C | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2B178C | 1.00 | 13.09 | 1.60 | 13.09 |
| #FFFFFF | 13.09 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.60 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 13.09 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#00358F
Deuteranopia (green-blind)
#002C8A
Tritanopia (blue-blind)
#003C53
Achromatopsia (no color)
#313131
Design tokens & code
CSS
--color: #2b178c; /* rgb */ color: rgb(43, 23, 140); /* oklch */ color: oklch(33.1% 0.176 278.5);
Tailwind
colors: {
custom: {
50: '#7459af',
500: '#2b178c',
950: '#000000',
},
}SCSS
$custom: #2b178c; $custom-light: #7459af; $custom-dark: #000000;
JSON
{
"hex": "#2b178c",
"rgb": {
"r": 43,
"g": 23,
"b": 140
},
"hsl": {
"h": 250.256,
"s": 71.779,
"l": 31.961
},
"oklch": {
"l": 0.33109,
"c": 0.17612,
"h": 278.5
},
"luminance": 0.0302
}Semantic roles & 50–950 ramp
primary
#2B178C
secondary
#AABF3F
accent
#EF39D0
background
#F7F5FA
surface
#EEE9F5
border
#C9C5CF
text
#090411
muted
#7B7980