#2B3288#2B3288
#2B3288 is a dark, vivid blue. Relative luminance 0.046; OKLCH L 36.8% C 0.142 H 273.6°. Best body text is #FFFFFF at 10.97:1 contrast (WCAG AA passes).
Color values
| HEX | #2B3288 |
|---|---|
| RGB | rgb(43, 50, 136) |
| HSL | hsl(235, 52%, 35%) |
| HSV | hsv(235, 68%, 53%) |
| CMYK | cmyk(68.4%, 63.2%, 0%, 46.7%) |
| CIE-LAB | lab(25.48, 26.51, -49.00) |
| CIE-LCH | lch(25.48, 55.71, 298.42°) |
| OKLab | oklab(36.82% 0.0089 -0.1413) |
| OKLCH | oklch(36.82% 0.142 273.6) |
| XYZ | xyz(6.5793, 4.5718, 23.8235) |
| Luminance | 0.0457 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Darkslateblue
#483D8B
ΔE00 5.29
Sapphire (survey)
#2138AB
ΔE00 5.30
Blueberry
#464196
ΔE00 5.52
Midnight Blue
#191970
ΔE00 7.27
Royal
#0C1793
ΔE00 7.42
Marine
#042E60
ΔE00 8.37
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2B3288 #88812B
analogous
#2B6088 #2B3288 #532B88
triadic
#2B3288 #882B32 #32882B
tetradic
#2B3288 #882B60 #88812B #2B8853
square
#2B3288 #882B60 #88812B #2B8853
split-complementary
#2B3288 #88532B #60882B
monochromatic
#0E102B #1C215A #2B3288 #3A43B6 #6169CD
Accessibility & contrast
On white
10.97
#2B3288 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.91
#2B3288 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2B3288
10.97:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2B3288 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2B3288 | 1.00 | 10.97 | 1.91 | 10.97 |
| #FFFFFF | 10.97 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.91 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 10.97 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#00418B
Deuteranopia (green-blind)
#003886
Tritanopia (blue-blind)
#004858
Achromatopsia (no color)
#3C3C3C
Design tokens & code
CSS
--color: #2b3288; /* rgb */ color: rgb(43, 50, 136); /* oklch */ color: oklch(36.8% 0.142 273.6);
Tailwind
colors: {
custom: {
50: '#716aab',
500: '#2b3288',
950: '#000000',
},
}SCSS
$custom: #2b3288; $custom-light: #716aab; $custom-dark: #000000;
JSON
{
"hex": "#2b3288",
"rgb": {
"r": 43,
"g": 50,
"b": 136
},
"hsl": {
"h": 235.484,
"s": 51.955,
"l": 35.098
},
"oklch": {
"l": 0.36819,
"c": 0.14154,
"h": 273.6
},
"luminance": 0.04572
}Semantic roles & 50–950 ramp
primary
#2B3288
secondary
#B3AC5C
accent
#D14CDB
background
#F7F6FA
surface
#EDEBF4
border
#C8C6CE
text
#080610
muted
#7B7A7F