#2748AE#2748AE
#2748AE is a dark, vivid blue. Relative luminance 0.081; OKLCH L 44.3% C 0.167 H 266.0°. Best body text is #FFFFFF at 8.00:1 contrast (WCAG AA passes).
Color values
| HEX | #2748AE |
|---|---|
| RGB | rgb(39, 72, 174) |
| HSL | hsl(225, 63%, 42%) |
| HSV | hsv(225, 78%, 68%) |
| CMYK | cmyk(77.6%, 58.6%, 0%, 31.8%) |
| CIE-LAB | lab(34.23, 25.59, -57.86) |
| CIE-LCH | lch(34.23, 63.26, 293.86°) |
| OKLab | oklab(44.26% -0.0117 -0.1671) |
| OKLCH | oklch(44.26% 0.167 266) |
| XYZ | xyz(10.7914, 8.1208, 41.0349) |
| Luminance | 0.0812 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt
#0047AB
ΔE00 2.47
Blue Blue
#2242C7
ΔE00 4.09
Sapphire
#0F52BA
ΔE00 4.17
Sapphire (survey)
#2138AB
ΔE00 4.95
Cobalt (survey)
#1E488F
ΔE00 4.99
Blue (survey)
#0343DF
ΔE00 6.39
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2748AE #AE8D27
analogous
#278CAE #2748AE #4927AE
triadic
#2748AE #AE2748 #48AE27
tetradic
#2748AE #AE278C #AE8D27 #27AE49
square
#2748AE #AE278C #AE8D27 #27AE49
split-complementary
#2748AE #AE4927 #8CAE27
monochromatic
#111F4A #1C337C #2748AE #3E63D4 #708BDF
Accessibility & contrast
On white
8.00
#2748AE on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.62
#2748AE on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2748AE
8.00:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2748AE | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2748AE | 1.00 | 8.00 | 2.62 | 8.00 |
| #FFFFFF | 8.00 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.62 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.00 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0057B1
Deuteranopia (green-blind)
#004AAC
Tritanopia (blue-blind)
#006274
Achromatopsia (no color)
#505050
Design tokens & code
CSS
--color: #2748ae; /* rgb */ color: rgb(39, 72, 174); /* oklch */ color: oklch(44.3% 0.167 266.0);
Tailwind
colors: {
custom: {
50: '#767ac7',
500: '#2748ae',
950: '#000000',
},
}SCSS
$custom: #2748ae; $custom-light: #767ac7; $custom-dark: #000000;
JSON
{
"hex": "#2748ae",
"rgb": {
"r": 39,
"g": 72,
"b": 174
},
"hsl": {
"h": 225.333,
"s": 63.38,
"l": 41.765
},
"oklch": {
"l": 0.44256,
"c": 0.16748,
"h": 266
},
"luminance": 0.08122
}Semantic roles & 50–950 ramp
primary
#2748AE
secondary
#C6B06B
accent
#BE41E6
background
#F7F7FC
surface
#EEEDF8
border
#C9C8D1
text
#0A0913
muted
#7C7B82