#2648B2#2648B2
#2648B2 is a dark, vivid blue. Relative luminance 0.083; OKLCH L 44.6% C 0.173 H 265.9°. Best body text is #FFFFFF at 7.92:1 contrast (WCAG AA passes).
Color values
| HEX | #2648B2 |
|---|---|
| RGB | rgb(38, 72, 178) |
| HSL | hsl(225, 65%, 42%) |
| HSV | hsv(225, 79%, 70%) |
| CMYK | cmyk(78.7%, 59.6%, 0%, 30.2%) |
| CIE-LAB | lab(34.52, 27.01, -59.77) |
| CIE-LCH | lch(34.52, 65.59, 294.32°) |
| OKLab | oklab(44.56% -0.0124 -0.1727) |
| OKLCH | oklch(44.56% 0.173 265.9) |
| XYZ | xyz(11.1497, 8.2599, 43.1175) |
| Luminance | 0.0826 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt
#0047AB
ΔE00 2.70
Blue Blue
#2242C7
ΔE00 3.60
Sapphire
#0F52BA
ΔE00 4.10
Sapphire (survey)
#2138AB
ΔE00 4.93
Cobalt (survey)
#1E488F
ΔE00 5.48
Blue (survey)
#0343DF
ΔE00 5.86
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2648B2 #B29026
analogous
#268EB2 #2648B2 #4A26B2
triadic
#2648B2 #B22648 #48B226
tetradic
#2648B2 #B2268E #B29026 #26B24A
square
#2648B2 #B2268E #B29026 #26B24A
split-complementary
#2648B2 #B24A26 #8EB226
monochromatic
#101F4D #1B3480 #2648B2 #3F64D6 #728DE1
Accessibility & contrast
On white
7.92
#2648B2 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.65
#2648B2 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2648B2
7.92:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2648B2 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2648B2 | 1.00 | 7.92 | 2.65 | 7.92 |
| #FFFFFF | 7.92 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.65 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.92 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0058B6
Deuteranopia (green-blind)
#004BB0
Tritanopia (blue-blind)
#006376
Achromatopsia (no color)
#515151
Design tokens & code
CSS
--color: #2648b2; /* rgb */ color: rgb(38, 72, 178); /* oklch */ color: oklch(44.6% 0.173 265.9);
Tailwind
colors: {
custom: {
50: '#777aca',
500: '#2648b2',
950: '#000000',
},
}SCSS
$custom: #2648b2; $custom-light: #777aca; $custom-dark: #000000;
JSON
{
"hex": "#2648b2",
"rgb": {
"r": 38,
"g": 72,
"b": 178
},
"hsl": {
"h": 225.429,
"s": 64.815,
"l": 42.353
},
"oklch": {
"l": 0.4456,
"c": 0.17316,
"h": 265.9
},
"luminance": 0.08261
}Semantic roles & 50–950 ramp
primary
#2648B2
secondary
#C8B16C
accent
#BF40E8
background
#F7F7FC
surface
#EEEDF8
border
#C9C8D1
text
#0A0913
muted
#7C7B82