#2445B4#2445B4
#2445B4 is a dark, vivid blue. Relative luminance 0.079; OKLCH L 44.1% C 0.180 H 266.2°. Best body text is #FFFFFF at 8.12:1 contrast (WCAG AA passes).
Color values
| HEX | #2445B4 |
|---|---|
| RGB | rgb(36, 69, 180) |
| HSL | hsl(226, 67%, 42%) |
| HSV | hsv(226, 80%, 71%) |
| CMYK | cmyk(80%, 61.7%, 0%, 29.4%) |
| CIE-LAB | lab(33.83, 29.56, -62.09) |
| CIE-LCH | lch(33.83, 68.76, 295.46°) |
| OKLab | oklab(44.08% -0.0121 -0.1796) |
| OKLCH | oklch(44.08% 0.18 266.2) |
| XYZ | xyz(11.0910, 7.9253, 44.1164) |
| Luminance | 0.0793 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Blue Blue
#2242C7
ΔE00 2.86
Cobalt
#0047AB
ΔE00 3.17
Sapphire (survey)
#2138AB
ΔE00 4.02
Sapphire
#0F52BA
ΔE00 4.97
Blue (survey)
#0343DF
ΔE00 5.40
Ocean Blue
#4F42B5
ΔE00 5.91
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2445B4 #B49324
analogous
#248DB4 #2445B4 #4B24B4
triadic
#2445B4 #B42445 #45B424
tetradic
#2445B4 #B4248D #B49324 #24B44B
square
#2445B4 #B4248D #B49324 #24B44B
split-complementary
#2445B4 #B44B24 #8DB424
monochromatic
#101E4E #1A3181 #2445B4 #3D61D8 #708AE2
Accessibility & contrast
On white
8.12
#2445B4 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.59
#2445B4 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2445B4
8.12:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2445B4 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2445B4 | 1.00 | 8.12 | 2.59 | 8.12 |
| #FFFFFF | 8.12 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.59 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.12 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0056B8
Deuteranopia (green-blind)
#0049B2
Tritanopia (blue-blind)
#006276
Achromatopsia (no color)
#505050
Design tokens & code
CSS
--color: #2445b4; /* rgb */ color: rgb(36, 69, 180); /* oklch */ color: oklch(44.1% 0.180 266.2);
Tailwind
colors: {
custom: {
50: '#7778cb',
500: '#2445b4',
950: '#000000',
},
}SCSS
$custom: #2445b4; $custom-light: #7778cb; $custom-dark: #000000;
JSON
{
"hex": "#2445b4",
"rgb": {
"r": 36,
"g": 69,
"b": 180
},
"hsl": {
"h": 226.25,
"s": 66.667,
"l": 42.353
},
"oklch": {
"l": 0.44075,
"c": 0.17999,
"h": 266.2
},
"luminance": 0.07927
}Semantic roles & 50–950 ramp
primary
#2445B4
secondary
#C9B36B
accent
#C23EEA
background
#F8F7FC
surface
#EFEDF9
border
#CAC8D2
text
#0A0913
muted
#7C7B82