#2B4AA5#2B4AA5
#2B4AA5 is a dark, vivid blue. Relative luminance 0.081; OKLCH L 44.1% C 0.151 H 266.1°. Best body text is #FFFFFF at 8.00:1 contrast (WCAG AA passes).
Color values
| HEX | #2B4AA5 |
|---|---|
| RGB | rgb(43, 74, 165) |
| HSL | hsl(225, 59%, 41%) |
| HSV | hsv(225, 74%, 65%) |
| CMYK | cmyk(73.9%, 55.2%, 0%, 35.3%) |
| CIE-LAB | lab(34.25, 21.30, -52.45) |
| CIE-LCH | lch(34.25, 56.61, 292.10°) |
| OKLab | oklab(44.09% -0.0104 -0.1511) |
| OKLCH | oklch(44.09% 0.151 266.1) |
| XYZ | xyz(10.2342, 8.1267, 36.6193) |
| Luminance | 0.0813 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt
#0047AB
ΔE00 2.51
Cobalt (survey)
#1E488F
ΔE00 3.82
Sapphire
#0F52BA
ΔE00 4.16
Blue Blue
#2242C7
ΔE00 5.54
Dusk Blue
#26538D
ΔE00 5.62
Sapphire (survey)
#2138AB
ΔE00 5.88
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2B4AA5 #A5862B
analogous
#2B87A5 #2B4AA5 #492BA5
triadic
#2B4AA5 #A52B4A #4AA52B
tetradic
#2B4AA5 #A52B87 #A5862B #2BA549
square
#2B4AA5 #A52B87 #A5862B #2BA549
split-complementary
#2B4AA5 #A5492B #87A52B
monochromatic
#121E44 #1E3474 #2B4AA5 #4064CD #718BDA
Accessibility & contrast
On white
8.00
#2B4AA5 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.63
#2B4AA5 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2B4AA5
8.00:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2B4AA5 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2B4AA5 | 1.00 | 8.00 | 2.63 | 8.00 |
| #FFFFFF | 8.00 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.63 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.00 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0056A8
Deuteranopia (green-blind)
#004BA3
Tritanopia (blue-blind)
#006070
Achromatopsia (no color)
#515151
Design tokens & code
CSS
--color: #2b4aa5; /* rgb */ color: rgb(43, 74, 165); /* oklch */ color: oklch(44.1% 0.151 266.1);
Tailwind
colors: {
custom: {
50: '#757cc0',
500: '#2b4aa5',
950: '#000000',
},
}SCSS
$custom: #2b4aa5; $custom-light: #757cc0; $custom-dark: #000000;
JSON
{
"hex": "#2b4aa5",
"rgb": {
"r": 43,
"g": 74,
"b": 165
},
"hsl": {
"h": 224.754,
"s": 58.654,
"l": 40.784
},
"oklch": {
"l": 0.44093,
"c": 0.15144,
"h": 266.1
},
"luminance": 0.08128
}Semantic roles & 50–950 ramp
primary
#2B4AA5
secondary
#C1AB6B
accent
#BA46E2
background
#F7F7FB
surface
#EEEEF7
border
#C9C9D0
text
#0A0912
muted
#7C7B81