#2B4AA4#2B4AA4
#2B4AA4 is a dark, vivid blue. Relative luminance 0.081; OKLCH L 44.0% C 0.150 H 266.0°. Best body text is #FFFFFF at 8.02:1 contrast (WCAG AA passes).
Color values
| HEX | #2B4AA4 |
|---|---|
| RGB | rgb(43, 74, 164) |
| HSL | hsl(225, 58%, 41%) |
| HSV | hsv(225, 74%, 64%) |
| CMYK | cmyk(73.8%, 54.9%, 0%, 35.7%) |
| CIE-LAB | lab(34.17, 20.91, -51.98) |
| CIE-LCH | lch(34.17, 56.03, 291.92°) |
| OKLab | oklab(44.01% -0.0104 -0.1497) |
| OKLCH | oklch(44.01% 0.15 266) |
| XYZ | xyz(10.1435, 8.0904, 36.1418) |
| Luminance | 0.0809 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt
#0047AB
ΔE00 2.53
Cobalt (survey)
#1E488F
ΔE00 3.69
Sapphire
#0F52BA
ΔE00 4.22
Dusk Blue
#26538D
ΔE00 5.53
Blue Blue
#2242C7
ΔE00 5.68
Sapphire (survey)
#2138AB
ΔE00 5.93
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2B4AA4 #A4852B
analogous
#2B86A4 #2B4AA4 #482BA4
triadic
#2B4AA4 #A42B4A #4AA42B
tetradic
#2B4AA4 #A42B86 #A4852B #2BA448
square
#2B4AA4 #A42B86 #A4852B #2BA448
split-complementary
#2B4AA4 #A4482B #86A42B
monochromatic
#121E43 #1E3474 #2B4AA4 #3F64CD #708BD9
Accessibility & contrast
On white
8.02
#2B4AA4 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.62
#2B4AA4 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2B4AA4
8.02:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2B4AA4 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2B4AA4 | 1.00 | 8.02 | 2.62 | 8.02 |
| #FFFFFF | 8.02 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.62 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.02 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0056A7
Deuteranopia (green-blind)
#004BA2
Tritanopia (blue-blind)
#00606F
Achromatopsia (no color)
#505050
Design tokens & code
CSS
--color: #2b4aa4; /* rgb */ color: rgb(43, 74, 164); /* oklch */ color: oklch(44.0% 0.150 266.0);
Tailwind
colors: {
custom: {
50: '#757cc0',
500: '#2b4aa4',
950: '#000000',
},
}SCSS
$custom: #2b4aa4; $custom-light: #757cc0; $custom-dark: #000000;
JSON
{
"hex": "#2b4aa4",
"rgb": {
"r": 43,
"g": 74,
"b": 164
},
"hsl": {
"h": 224.628,
"s": 58.454,
"l": 40.588
},
"oklch": {
"l": 0.44012,
"c": 0.15005,
"h": 266
},
"luminance": 0.08091
}Semantic roles & 50–950 ramp
primary
#2B4AA4
secondary
#C1AA6A
accent
#BA46E2
background
#F7F7FB
surface
#EEEEF7
border
#C9C9D0
text
#0A0912
muted
#7C7B81