#2247B4#2247B4
#2247B4 is a dark, vivid blue. Relative luminance 0.081; OKLCH L 44.4% C 0.178 H 265.2°. Best body text is #FFFFFF at 7.99:1 contrast (WCAG AA passes).
Color values
| HEX | #2247B4 |
|---|---|
| RGB | rgb(34, 71, 180) |
| HSL | hsl(225, 68%, 42%) |
| HSV | hsv(225, 81%, 71%) |
| CMYK | cmyk(81.1%, 60.6%, 0%, 29.4%) |
| CIE-LAB | lab(34.27, 28.05, -61.36) |
| CIE-LCH | lch(34.27, 67.47, 294.57°) |
| OKLab | oklab(44.39% -0.0148 -0.1774) |
| OKLCH | oklch(44.39% 0.178 265.2) |
| XYZ | xyz(11.1482, 8.1405, 44.1549) |
| Luminance | 0.0814 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt
#0047AB
ΔE00 2.69
Blue Blue
#2242C7
ΔE00 3.28
Sapphire
#0F52BA
ΔE00 4.24
Sapphire (survey)
#2138AB
ΔE00 4.70
Blue (survey)
#0343DF
ΔE00 5.57
Cobalt (survey)
#1E488F
ΔE00 5.68
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2247B4 #B48F22
analogous
#2290B4 #2247B4 #4622B4
triadic
#2247B4 #B42247 #47B422
tetradic
#2247B4 #B42290 #B48F22 #22B446
square
#2247B4 #B42290 #B48F22 #22B446
split-complementary
#2247B4 #B44622 #90B422
monochromatic
#0F1E4D #183381 #2247B4 #3A62DA #6D8BE3
Accessibility & contrast
On white
7.99
#2247B4 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.63
#2247B4 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2247B4
7.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2247B4 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2247B4 | 1.00 | 7.99 | 2.63 | 7.99 |
| #FFFFFF | 7.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.63 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0058B8
Deuteranopia (green-blind)
#004AB2
Tritanopia (blue-blind)
#006376
Achromatopsia (no color)
#515151
Design tokens & code
CSS
--color: #2247b4; /* rgb */ color: rgb(34, 71, 180); /* oklch */ color: oklch(44.4% 0.178 265.2);
Tailwind
colors: {
custom: {
50: '#7679cb',
500: '#2247b4',
950: '#000000',
},
}SCSS
$custom: #2247b4; $custom-light: #7679cb; $custom-dark: #000000;
JSON
{
"hex": "#2247b4",
"rgb": {
"r": 34,
"g": 71,
"b": 180
},
"hsl": {
"h": 224.795,
"s": 68.224,
"l": 41.961
},
"oklch": {
"l": 0.44388,
"c": 0.17806,
"h": 265.2
},
"luminance": 0.08142
}Semantic roles & 50–950 ramp
primary
#2247B4
secondary
#CAB168
accent
#BF3DEB
background
#F7F7FC
surface
#EEEDF9
border
#C9C8D2
text
#0A0913
muted
#7C7B82