#2647AB#2647AB
#2647AB is a dark, vivid blue. Relative luminance 0.079; OKLCH L 43.8% C 0.165 H 265.8°. Best body text is #FFFFFF at 8.17:1 contrast (WCAG AA passes).
Color values
| HEX | #2647AB |
|---|---|
| RGB | rgb(38, 71, 171) |
| HSL | hsl(225, 64%, 41%) |
| HSV | hsv(225, 78%, 67%) |
| CMYK | cmyk(77.8%, 58.5%, 0%, 32.9%) |
| CIE-LAB | lab(33.68, 25.00, -56.96) |
| CIE-LCH | lch(33.68, 62.21, 293.69°) |
| OKLab | oklab(43.76% -0.012 -0.1645) |
| OKLCH | oklch(43.76% 0.165 265.8) |
| XYZ | xyz(10.4007, 7.8576, 39.4887) |
| Luminance | 0.0786 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt
#0047AB
ΔE00 2.31
Blue Blue
#2242C7
ΔE00 4.35
Sapphire
#0F52BA
ΔE00 4.48
Cobalt (survey)
#1E488F
ΔE00 4.65
Sapphire (survey)
#2138AB
ΔE00 4.73
Blueberry
#464196
ΔE00 6.26
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2647AB #AB8A26
analogous
#2689AB #2647AB #4726AB
triadic
#2647AB #AB2647 #47AB26
tetradic
#2647AB #AB2689 #AB8A26 #26AB47
square
#2647AB #AB2689 #AB8A26 #26AB47
split-complementary
#2647AB #AB4726 #89AB26
monochromatic
#101D47 #1B3279 #2647AB #3B61D3 #6D89DF
Accessibility & contrast
On white
8.17
#2647AB on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.57
#2647AB on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2647AB
8.17:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2647AB | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2647AB | 1.00 | 8.17 | 2.57 | 8.17 |
| #FFFFFF | 8.17 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.57 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.17 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0056AE
Deuteranopia (green-blind)
#0049A9
Tritanopia (blue-blind)
#006072
Achromatopsia (no color)
#4F4F4F
Design tokens & code
CSS
--color: #2647ab; /* rgb */ color: rgb(38, 71, 171); /* oklch */ color: oklch(43.8% 0.165 265.8);
Tailwind
colors: {
custom: {
50: '#7579c5',
500: '#2647ab',
950: '#000000',
},
}SCSS
$custom: #2647ab; $custom-light: #7579c5; $custom-dark: #000000;
JSON
{
"hex": "#2647ab",
"rgb": {
"r": 38,
"g": 71,
"b": 171
},
"hsl": {
"h": 225.113,
"s": 63.636,
"l": 40.98
},
"oklch": {
"l": 0.43759,
"c": 0.16492,
"h": 265.8
},
"luminance": 0.07859
}Semantic roles & 50–950 ramp
primary
#2647AB
secondary
#C5AE68
accent
#BE41E7
background
#F7F7FC
surface
#EEEDF8
border
#C9C8D1
text
#0A0913
muted
#7C7B82