#2B4AAD#2B4AAD
#2B4AAD is a dark, vivid blue. Relative luminance 0.084; OKLCH L 44.7% C 0.163 H 266.5°. Best body text is #FFFFFF at 7.82:1 contrast (WCAG AA passes).
Color values
| HEX | #2B4AAD |
|---|---|
| RGB | rgb(43, 74, 173) |
| HSL | hsl(226, 60%, 42%) |
| HSV | hsv(226, 75%, 68%) |
| CMYK | cmyk(75.1%, 57.2%, 0%, 32.2%) |
| CIE-LAB | lab(34.86, 24.34, -56.24) |
| CIE-LCH | lch(34.86, 61.28, 293.40°) |
| OKLab | oklab(44.75% -0.0099 -0.1622) |
| OKLCH | oklch(44.75% 0.163 266.5) |
| XYZ | xyz(10.9852, 8.4271, 40.5747) |
| Luminance | 0.0843 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt
#0047AB
ΔE00 2.70
Sapphire
#0F52BA
ΔE00 3.85
Blue Blue
#2242C7
ΔE00 4.49
Cobalt (survey)
#1E488F
ΔE00 4.90
Sapphire (survey)
#2138AB
ΔE00 5.55
Dusk Blue
#26538D
ΔE00 6.41
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2B4AAD #AD8E2B
analogous
#2B8BAD #2B4AAD #4D2BAD
triadic
#2B4AAD #AD2B4A #4AAD2B
tetradic
#2B4AAD #AD2B8B #AD8E2B #2BAD4D
square
#2B4AAD #AD2B8B #AD8E2B #2BAD4D
split-complementary
#2B4AAD #AD4D2B #8BAD2B
monochromatic
#13204B #1F357C #2B4AAD #4566D1 #768EDD
Accessibility & contrast
On white
7.82
#2B4AAD on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.69
#2B4AAD on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2B4AAD
7.82:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2B4AAD | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2B4AAD | 1.00 | 7.82 | 2.69 | 7.82 |
| #FFFFFF | 7.82 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.69 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.82 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0058B0
Deuteranopia (green-blind)
#004CAB
Tritanopia (blue-blind)
#006374
Achromatopsia (no color)
#525252
Design tokens & code
CSS
--color: #2b4aad; /* rgb */ color: rgb(43, 74, 173); /* oklch */ color: oklch(44.7% 0.163 266.5);
Tailwind
colors: {
custom: {
50: '#777cc6',
500: '#2b4aad',
950: '#000000',
},
}SCSS
$custom: #2b4aad; $custom-light: #777cc6; $custom-dark: #000000;
JSON
{
"hex": "#2b4aad",
"rgb": {
"r": 43,
"g": 74,
"b": 173
},
"hsl": {
"h": 225.692,
"s": 60.185,
"l": 42.353
},
"oklch": {
"l": 0.44746,
"c": 0.16252,
"h": 266.5
},
"luminance": 0.08428
}Semantic roles & 50–950 ramp
primary
#2B4AAD
secondary
#C4B06F
accent
#BD44E3
background
#F7F7FC
surface
#EEEEF8
border
#C9C9D1
text
#0A0913
muted
#7C7B82