#2444B3#2444B3
#2444B3 is a dark, vivid blue. Relative luminance 0.078; OKLCH L 43.8% C 0.180 H 266.3°. Best body text is #FFFFFF at 8.23:1 contrast (WCAG AA passes).
Color values
| HEX | #2444B3 |
|---|---|
| RGB | rgb(36, 68, 179) |
| HSL | hsl(227, 67%, 42%) |
| HSV | hsv(227, 80%, 70%) |
| CMYK | cmyk(79.9%, 62%, 0%, 29.8%) |
| CIE-LAB | lab(33.48, 29.84, -62.05) |
| CIE-LCH | lch(33.48, 68.86, 295.68°) |
| OKLab | oklab(43.79% -0.0115 -0.1795) |
| OKLCH | oklch(43.79% 0.18 266.3) |
| XYZ | xyz(10.9285, 7.7627, 43.5615) |
| Luminance | 0.0776 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Blue Blue
#2242C7
ΔE00 2.87
Cobalt
#0047AB
ΔE00 3.28
Sapphire (survey)
#2138AB
ΔE00 3.69
Sapphire
#0F52BA
ΔE00 5.28
Blue (survey)
#0343DF
ΔE00 5.50
Ocean Blue
#4F42B5
ΔE00 5.82
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2444B3 #B39324
analogous
#248CB3 #2444B3 #4B24B3
triadic
#2444B3 #B32444 #44B324
tetradic
#2444B3 #B3248C #B39324 #24B34B
square
#2444B3 #B3248C #B39324 #24B34B
split-complementary
#2444B3 #B34B24 #8CB324
monochromatic
#101D4D #1A3180 #2444B3 #3C5FD8 #6F89E2
Accessibility & contrast
On white
8.23
#2444B3 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.55
#2444B3 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2444B3
8.23:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2444B3 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2444B3 | 1.00 | 8.23 | 2.55 | 8.23 |
| #FFFFFF | 8.23 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.55 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.23 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0056B7
Deuteranopia (green-blind)
#0048B1
Tritanopia (blue-blind)
#006175
Achromatopsia (no color)
#4F4F4F
Design tokens & code
CSS
--color: #2444b3; /* rgb */ color: rgb(36, 68, 179); /* oklch */ color: oklch(43.8% 0.180 266.3);
Tailwind
colors: {
custom: {
50: '#7777cb',
500: '#2444b3',
950: '#000000',
},
}SCSS
$custom: #2444b3; $custom-light: #7777cb; $custom-dark: #000000;
JSON
{
"hex": "#2444b3",
"rgb": {
"r": 36,
"g": 68,
"b": 179
},
"hsl": {
"h": 226.573,
"s": 66.512,
"l": 42.157
},
"oklch": {
"l": 0.43794,
"c": 0.17987,
"h": 266.3
},
"luminance": 0.07764
}Semantic roles & 50–950 ramp
primary
#2444B3
secondary
#C9B46A
accent
#C33EE9
background
#F7F7FC
surface
#EEEDF9
border
#C9C8D2
text
#0A0813
muted
#7C7B82