#2749AB#2749AB
#2749AB is a dark, vivid blue. Relative luminance 0.081; OKLCH L 44.2% C 0.162 H 265.6°. Best body text is #FFFFFF at 7.99:1 contrast (WCAG AA passes).
Color values
| HEX | #2749AB |
|---|---|
| RGB | rgb(39, 73, 171) |
| HSL | hsl(225, 63%, 41%) |
| HSV | hsv(225, 77%, 67%) |
| CMYK | cmyk(77.2%, 57.3%, 0%, 32.9%) |
| CIE-LAB | lab(34.26, 23.77, -56.02) |
| CIE-LCH | lch(34.26, 60.85, 292.99°) |
| OKLab | oklab(44.2% -0.0126 -0.1617) |
| OKLCH | oklch(44.2% 0.162 265.6) |
| XYZ | xyz(10.5673, 8.1355, 39.5336) |
| Luminance | 0.0814 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt
#0047AB
ΔE00 2.21
Sapphire
#0F52BA
ΔE00 3.93
Cobalt (survey)
#1E488F
ΔE00 4.46
Blue Blue
#2242C7
ΔE00 4.68
Sapphire (survey)
#2138AB
ΔE00 5.38
Dusk Blue
#26538D
ΔE00 6.21
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2749AB #AB8927
analogous
#278BAB #2749AB #4727AB
triadic
#2749AB #AB2749 #49AB27
tetradic
#2749AB #AB278B #AB8927 #27AB47
square
#2749AB #AB278B #AB8927 #27AB47
split-complementary
#2749AB #AB4727 #8BAB27
monochromatic
#101E47 #1C3479 #2749AB #3D63D3 #6E8BDE
Accessibility & contrast
On white
7.99
#2749AB on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.63
#2749AB on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2749AB
7.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2749AB | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2749AB | 1.00 | 7.99 | 2.63 | 7.99 |
| #FFFFFF | 7.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.63 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0057AE
Deuteranopia (green-blind)
#004BA9
Tritanopia (blue-blind)
#006173
Achromatopsia (no color)
#515151
Design tokens & code
CSS
--color: #2749ab; /* rgb */ color: rgb(39, 73, 171); /* oklch */ color: oklch(44.2% 0.162 265.6);
Tailwind
colors: {
custom: {
50: '#767bc5',
500: '#2749ab',
950: '#000000',
},
}SCSS
$custom: #2749ab; $custom-light: #767bc5; $custom-dark: #000000;
JSON
{
"hex": "#2749ab",
"rgb": {
"r": 39,
"g": 73,
"b": 171
},
"hsl": {
"h": 224.545,
"s": 62.857,
"l": 41.176
},
"oklch": {
"l": 0.44204,
"c": 0.16216,
"h": 265.6
},
"luminance": 0.08137
}Semantic roles & 50–950 ramp
primary
#2749AB
secondary
#C5AD69
accent
#BC42E6
background
#F7F7FC
surface
#EEEDF8
border
#C9C8D1
text
#0A0913
muted
#7C7B82