#2B4BA1#2B4BA1
#2B4BA1 is a dark, vivid blue. Relative luminance 0.081; OKLCH L 44.0% C 0.145 H 265.4°. Best body text is #FFFFFF at 8.00:1 contrast (WCAG AA passes).
Color values
| HEX | #2B4BA1 |
|---|---|
| RGB | rgb(43, 75, 161) |
| HSL | hsl(224, 58%, 40%) |
| HSV | hsv(224, 73%, 63%) |
| CMYK | cmyk(73.3%, 53.4%, 0%, 36.9%) |
| CIE-LAB | lab(34.23, 19.10, -50.08) |
| CIE-LCH | lch(34.23, 53.60, 290.87°) |
| OKLab | oklab(43.99% -0.0115 -0.1441) |
| OKLCH | oklch(43.99% 0.145 265.4) |
| XYZ | xyz(9.9431, 8.1179, 34.7542) |
| Luminance | 0.0812 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt
#0047AB
ΔE00 2.67
Cobalt (survey)
#1E488F
ΔE00 3.23
Sapphire
#0F52BA
ΔE00 4.19
Dusk Blue
#26538D
ΔE00 4.96
Denim Blue
#3B5B92
ΔE00 5.86
Darkish Blue
#014182
ΔE00 6.19
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2B4BA1 #A1812B
analogous
#2B86A1 #2B4BA1 #462BA1
triadic
#2B4BA1 #A12B4B #4BA12B
tetradic
#2B4BA1 #A12B86 #A1812B #2BA146
square
#2B4BA1 #A12B86 #A1812B #2BA146
split-complementary
#2B4BA1 #A1462B #86A12B
monochromatic
#111E40 #1E3471 #2B4BA1 #3E64CB #6E8BD8
Accessibility & contrast
On white
8.00
#2B4BA1 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.62
#2B4BA1 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2B4BA1
8.00:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2B4BA1 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2B4BA1 | 1.00 | 8.00 | 2.62 | 8.00 |
| #FFFFFF | 8.00 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.62 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.00 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0F56A4
Deuteranopia (green-blind)
#004B9F
Tritanopia (blue-blind)
#00606E
Achromatopsia (no color)
#505050
Design tokens & code
CSS
--color: #2b4ba1; /* rgb */ color: rgb(43, 75, 161); /* oklch */ color: oklch(44.0% 0.145 265.4);
Tailwind
colors: {
custom: {
50: '#757cbd',
500: '#2b4ba1',
950: '#000000',
},
}SCSS
$custom: #2b4ba1; $custom-light: #757cbd; $custom-dark: #000000;
JSON
{
"hex": "#2b4ba1",
"rgb": {
"r": 43,
"g": 75,
"b": 161
},
"hsl": {
"h": 223.729,
"s": 57.843,
"l": 40
},
"oklch": {
"l": 0.43985,
"c": 0.14456,
"h": 265.4
},
"luminance": 0.08119
}Semantic roles & 50–950 ramp
primary
#2B4BA1
secondary
#BFA869
accent
#B747E1
background
#F7F7FB
surface
#EEEEF7
border
#C9C9D0
text
#090912
muted
#7B7B81