#2448B3#2448B3
#2448B3 is a dark, vivid blue. Relative luminance 0.083; OKLCH L 44.6% C 0.175 H 265.4°. Best body text is #FFFFFF at 7.92:1 contrast (WCAG AA passes).
Color values
| HEX | #2448B3 |
|---|---|
| RGB | rgb(36, 72, 179) |
| HSL | hsl(225, 67%, 42%) |
| HSV | hsv(225, 80%, 70%) |
| CMYK | cmyk(79.9%, 59.8%, 0%, 29.8%) |
| CIE-LAB | lab(34.53, 27.19, -60.35) |
| CIE-LCH | lch(34.53, 66.20, 294.26°) |
| OKLab | oklab(44.57% -0.0139 -0.1745) |
| OKLCH | oklch(44.57% 0.175 265.4) |
| XYZ | xyz(11.1787, 8.2632, 43.6449) |
| Luminance | 0.0826 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt
#0047AB
ΔE00 2.62
Blue Blue
#2242C7
ΔE00 3.54
Sapphire
#0F52BA
ΔE00 4.00
Sapphire (survey)
#2138AB
ΔE00 4.97
Cobalt (survey)
#1E488F
ΔE00 5.52
Blue (survey)
#0343DF
ΔE00 5.76
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2448B3 #B38F24
analogous
#2490B3 #2448B3 #4724B3
triadic
#2448B3 #B32448 #48B324
tetradic
#2448B3 #B32490 #B38F24 #24B347
square
#2448B3 #B32490 #B38F24 #24B347
split-complementary
#2448B3 #B34724 #90B324
monochromatic
#101F4D #1A3480 #2448B3 #3C63D8 #6F8CE2
Accessibility & contrast
On white
7.92
#2448B3 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.65
#2448B3 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2448B3
7.92:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2448B3 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2448B3 | 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)
#0058B7
Deuteranopia (green-blind)
#004BB1
Tritanopia (blue-blind)
#006376
Achromatopsia (no color)
#515151
Design tokens & code
CSS
--color: #2448b3; /* rgb */ color: rgb(36, 72, 179); /* oklch */ color: oklch(44.6% 0.175 265.4);
Tailwind
colors: {
custom: {
50: '#777acb',
500: '#2448b3',
950: '#000000',
},
}SCSS
$custom: #2448b3; $custom-light: #777acb; $custom-dark: #000000;
JSON
{
"hex": "#2448b3",
"rgb": {
"r": 36,
"g": 72,
"b": 179
},
"hsl": {
"h": 224.895,
"s": 66.512,
"l": 42.157
},
"oklch": {
"l": 0.44569,
"c": 0.17502,
"h": 265.4
},
"luminance": 0.08264
}Semantic roles & 50–950 ramp
primary
#2448B3
secondary
#C9B16A
accent
#BE3EE9
background
#F7F7FC
surface
#EEEDF9
border
#C9C8D2
text
#0A0913
muted
#7C7B82