#2B4CA9#2B4CA9
#2B4CA9 is a dark, vivid blue. Relative luminance 0.085; OKLCH L 44.8% C 0.154 H 265.7°. Best body text is #FFFFFF at 7.75:1 contrast (WCAG AA passes).
Color values
| HEX | #2B4CA9 |
|---|---|
| RGB | rgb(43, 76, 169) |
| HSL | hsl(224, 59%, 42%) |
| HSV | hsv(224, 75%, 66%) |
| CMYK | cmyk(74.6%, 55%, 0%, 33.7%) |
| CIE-LAB | lab(35.09, 21.49, -53.47) |
| CIE-LCH | lch(35.09, 57.62, 291.89°) |
| OKLab | oklab(44.83% -0.0117 -0.154) |
| OKLCH | oklch(44.83% 0.154 265.7) |
| XYZ | xyz(10.7396, 8.5459, 38.6119) |
| Luminance | 0.0855 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt
#0047AB
ΔE00 2.61
Sapphire
#0F52BA
ΔE00 3.44
Cobalt (survey)
#1E488F
ΔE00 4.24
Blue Blue
#2242C7
ΔE00 5.44
Dusk Blue
#26538D
ΔE00 5.49
Denim Blue
#3B5B92
ΔE00 6.06
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2B4CA9 #A9882B
analogous
#2B8BA9 #2B4CA9 #492BA9
triadic
#2B4CA9 #A92B4C #4CA92B
tetradic
#2B4CA9 #A92B8B #A9882B #2BA949
square
#2B4CA9 #A92B8B #A9882B #2BA949
split-complementary
#2B4CA9 #A9492B #8BA92B
monochromatic
#122047 #1F3678 #2B4CA9 #4267CF #738EDB
Accessibility & contrast
On white
7.75
#2B4CA9 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.71
#2B4CA9 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2B4CA9
7.75:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2B4CA9 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2B4CA9 | 1.00 | 7.75 | 2.71 | 7.75 |
| #FFFFFF | 7.75 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.71 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.75 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0059AC
Deuteranopia (green-blind)
#004DA7
Tritanopia (blue-blind)
#006373
Achromatopsia (no color)
#535353
Design tokens & code
CSS
--color: #2b4ca9; /* rgb */ color: rgb(43, 76, 169); /* oklch */ color: oklch(44.8% 0.154 265.7);
Tailwind
colors: {
custom: {
50: '#767dc3',
500: '#2b4ca9',
950: '#000000',
},
}SCSS
$custom: #2b4ca9; $custom-light: #767dc3; $custom-dark: #000000;
JSON
{
"hex": "#2b4ca9",
"rgb": {
"r": 43,
"g": 76,
"b": 169
},
"hsl": {
"h": 224.286,
"s": 59.434,
"l": 41.569
},
"oklch": {
"l": 0.44828,
"c": 0.15448,
"h": 265.7
},
"luminance": 0.08547
}Semantic roles & 50–950 ramp
primary
#2B4CA9
secondary
#C3AC6D
accent
#B945E3
background
#F7F7FC
surface
#EEEEF8
border
#C9C9D1
text
#0A0913
muted
#7C7B82