#2748AF#2748AF
#2748AF is a dark, vivid blue. Relative luminance 0.082; OKLCH L 44.3% C 0.169 H 266.0°. Best body text is #FFFFFF at 7.98:1 contrast (WCAG AA passes).
Color values
| HEX | #2748AF |
|---|---|
| RGB | rgb(39, 72, 175) |
| HSL | hsl(225, 64%, 42%) |
| HSV | hsv(225, 78%, 69%) |
| CMYK | cmyk(77.7%, 58.9%, 0%, 31.4%) |
| CIE-LAB | lab(34.31, 25.97, -58.32) |
| CIE-LCH | lch(34.31, 63.84, 294.00°) |
| OKLab | oklab(44.34% -0.0117 -0.1684) |
| OKLCH | oklch(44.34% 0.169 266) |
| XYZ | xyz(10.8892, 8.1600, 41.5503) |
| Luminance | 0.0816 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt
#0047AB
ΔE00 2.54
Blue Blue
#2242C7
ΔE00 3.95
Sapphire
#0F52BA
ΔE00 4.16
Sapphire (survey)
#2138AB
ΔE00 4.93
Cobalt (survey)
#1E488F
ΔE00 5.13
Blue (survey)
#0343DF
ΔE00 6.25
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2748AF #AF8E27
analogous
#278CAF #2748AF #4A27AF
triadic
#2748AF #AF2748 #48AF27
tetradic
#2748AF #AF278C #AF8E27 #27AF4A
square
#2748AF #AF278C #AF8E27 #27AF4A
split-complementary
#2748AF #AF4A27 #8CAF27
monochromatic
#111F4B #1C337D #2748AF #3F63D4 #718CDF
Accessibility & contrast
On white
7.98
#2748AF on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.63
#2748AF on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2748AF
7.98:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2748AF | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2748AF | 1.00 | 7.98 | 2.63 | 7.98 |
| #FFFFFF | 7.98 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.63 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.98 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0057B2
Deuteranopia (green-blind)
#004BAD
Tritanopia (blue-blind)
#006274
Achromatopsia (no color)
#515151
Design tokens & code
CSS
--color: #2748af; /* rgb */ color: rgb(39, 72, 175); /* oklch */ color: oklch(44.3% 0.169 266.0);
Tailwind
colors: {
custom: {
50: '#777ac8',
500: '#2748af',
950: '#000000',
},
}SCSS
$custom: #2748af; $custom-light: #777ac8; $custom-dark: #000000;
JSON
{
"hex": "#2748af",
"rgb": {
"r": 39,
"g": 72,
"b": 175
},
"hsl": {
"h": 225.441,
"s": 63.551,
"l": 41.961
},
"oklch": {
"l": 0.44342,
"c": 0.16884,
"h": 266
},
"luminance": 0.08161
}Semantic roles & 50–950 ramp
primary
#2748AF
secondary
#C6B06B
accent
#BE41E7
background
#F7F7FC
surface
#EEEDF8
border
#C9C8D1
text
#0A0913
muted
#7C7B82