#2B4BA4#2B4BA4
#2B4BA4 is a dark, vivid blue. Relative luminance 0.082; OKLCH L 44.2% C 0.149 H 265.7°. Best body text is #FFFFFF at 7.94:1 contrast (WCAG AA passes).
Color values
| HEX | #2B4BA4 |
|---|---|
| RGB | rgb(43, 75, 164) |
| HSL | hsl(224, 58%, 41%) |
| HSV | hsv(224, 74%, 64%) |
| CMYK | cmyk(73.8%, 54.3%, 0%, 35.7%) |
| CIE-LAB | lab(34.45, 20.25, -51.53) |
| CIE-LCH | lch(34.45, 55.36, 291.45°) |
| OKLab | oklab(44.22% -0.0113 -0.1483) |
| OKLCH | oklch(44.22% 0.149 265.7) |
| XYZ | xyz(10.2108, 8.2250, 36.1642) |
| Luminance | 0.0823 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt
#0047AB
ΔE00 2.56
Cobalt (survey)
#1E488F
ΔE00 3.62
Sapphire
#0F52BA
ΔE00 3.97
Dusk Blue
#26538D
ΔE00 5.24
Blue Blue
#2242C7
ΔE00 5.87
Denim Blue
#3B5B92
ΔE00 6.03
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2B4BA4 #A4842B
analogous
#2B87A4 #2B4BA4 #472BA4
triadic
#2B4BA4 #A42B4B #4BA42B
tetradic
#2B4BA4 #A42B87 #A4842B #2BA447
square
#2B4BA4 #A42B87 #A4842B #2BA447
split-complementary
#2B4BA4 #A4472B #87A42B
monochromatic
#121F43 #1E3574 #2B4BA4 #3F65CD #708CD9
Accessibility & contrast
On white
7.94
#2B4BA4 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.65
#2B4BA4 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2B4BA4
7.94:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2B4BA4 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2B4BA4 | 1.00 | 7.94 | 2.65 | 7.94 |
| #FFFFFF | 7.94 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.65 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.94 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0657A7
Deuteranopia (green-blind)
#004CA2
Tritanopia (blue-blind)
#006170
Achromatopsia (no color)
#515151
Design tokens & code
CSS
--color: #2b4ba4; /* rgb */ color: rgb(43, 75, 164); /* oklch */ color: oklch(44.2% 0.149 265.7);
Tailwind
colors: {
custom: {
50: '#757cc0',
500: '#2b4ba4',
950: '#000000',
},
}SCSS
$custom: #2b4ba4; $custom-light: #757cc0; $custom-dark: #000000;
JSON
{
"hex": "#2b4ba4",
"rgb": {
"r": 43,
"g": 75,
"b": 164
},
"hsl": {
"h": 224.132,
"s": 58.454,
"l": 40.588
},
"oklch": {
"l": 0.44221,
"c": 0.14878,
"h": 265.7
},
"luminance": 0.08226
}Semantic roles & 50–950 ramp
primary
#2B4BA4
secondary
#C1AA6A
accent
#B946E2
background
#F7F7FB
surface
#EEEEF7
border
#C9C9D0
text
#0A0912
muted
#7C7B81