#2B3481#2B3481
#2B3481 is a dark, vivid blue. Relative luminance 0.046; OKLCH L 36.6% C 0.129 H 273.2°. Best body text is #FFFFFF at 10.99:1 contrast (WCAG AA passes).
Color values
| HEX | #2B3481 |
|---|---|
| RGB | rgb(43, 52, 129) |
| HSL | hsl(234, 50%, 34%) |
| HSV | hsv(234, 67%, 51%) |
| CMYK | cmyk(66.7%, 59.7%, 0%, 49.4%) |
| CIE-LAB | lab(25.42, 22.56, -44.71) |
| CIE-LCH | lch(25.42, 50.08, 296.78°) |
| OKLab | oklab(36.6% 0.0072 -0.1286) |
| OKLCH | oklch(36.6% 0.129 273.2) |
| XYZ | xyz(6.1854, 4.5540, 21.3177) |
| Luminance | 0.0456 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Darkslateblue
#483D8B
ΔE00 5.28
Blueberry
#464196
ΔE00 5.70
Sapphire (survey)
#2138AB
ΔE00 6.33
Marine
#042E60
ΔE00 7.32
Midnight Blue
#191970
ΔE00 7.71
Darkish Blue
#014182
ΔE00 7.85
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2B3481 #81782B
analogous
#2B5F81 #2B3481 #4D2B81
triadic
#2B3481 #812B34 #34812B
tetradic
#2B3481 #812B5F #81782B #2B814D
square
#2B3481 #812B5F #81782B #2B814D
split-complementary
#2B3481 #814D2B #5F812B
monochromatic
#0C0F25 #1C2153 #2B3481 #3A47AF #5D69C9
Accessibility & contrast
On white
10.99
#2B3481 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.91
#2B3481 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2B3481
10.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2B3481 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2B3481 | 1.00 | 10.99 | 1.91 | 10.99 |
| #FFFFFF | 10.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.91 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 10.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#004084
Deuteranopia (green-blind)
#00397F
Tritanopia (blue-blind)
#004755
Achromatopsia (no color)
#3C3C3C
Design tokens & code
CSS
--color: #2b3481; /* rgb */ color: rgb(43, 52, 129); /* oklch */ color: oklch(36.6% 0.129 273.2);
Tailwind
colors: {
custom: {
50: '#6f6ba6',
500: '#2b3481',
950: '#000000',
},
}SCSS
$custom: #2b3481; $custom-light: #6f6ba6; $custom-dark: #000000;
JSON
{
"hex": "#2b3481",
"rgb": {
"r": 43,
"g": 52,
"b": 129
},
"hsl": {
"h": 233.721,
"s": 50,
"l": 33.725
},
"oklch": {
"l": 0.36596,
"c": 0.12884,
"h": 273.2
},
"luminance": 0.04555
}Semantic roles & 50–950 ramp
primary
#2B3481
secondary
#AFA659
accent
#CB4EDA
background
#F7F6FA
surface
#EDEBF4
border
#C8C6CE
text
#08060F
muted
#7B7A7F