#2240A8#2240A8
#2240A8 is a dark, vivid blue. Relative luminance 0.068; OKLCH L 41.9% C 0.171 H 266.4°. Best body text is #FFFFFF at 8.87:1 contrast (WCAG AA passes).
Color values
| HEX | #2240A8 |
|---|---|
| RGB | rgb(34, 64, 168) |
| HSL | hsl(227, 66%, 40%) |
| HSV | hsv(227, 80%, 66%) |
| CMYK | cmyk(79.8%, 61.9%, 0%, 34.1%) |
| CIE-LAB | lab(31.42, 28.11, -58.87) |
| CIE-LCH | lch(31.42, 65.23, 295.52°) |
| OKLab | oklab(41.95% -0.0107 -0.1702) |
| OKLCH | oklch(41.95% 0.171 266.4) |
| XYZ | xyz(9.5585, 6.8329, 37.8533) |
| Luminance | 0.0683 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 2.64
Cobalt
#0047AB
ΔE00 3.50
Blue Blue
#2242C7
ΔE00 4.29
Cobalt (survey)
#1E488F
ΔE00 5.50
Blueberry
#464196
ΔE00 5.61
Ocean Blue
#4F42B5
ΔE00 6.35
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2240A8 #A88A22
analogous
#2283A8 #2240A8 #4722A8
triadic
#2240A8 #A82240 #40A822
tetradic
#2240A8 #A82283 #A88A22 #22A847
square
#2240A8 #A82283 #A88A22 #22A847
split-complementary
#2240A8 #A84722 #83A822
monochromatic
#0D1942 #182D75 #2240A8 #3256D5 #6580E0
Accessibility & contrast
On white
8.87
#2240A8 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.37
#2240A8 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2240A8
8.87:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2240A8 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2240A8 | 1.00 | 8.87 | 2.37 | 8.87 |
| #FFFFFF | 8.87 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.37 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.87 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0050AB
Deuteranopia (green-blind)
#0044A6
Tritanopia (blue-blind)
#005B6E
Achromatopsia (no color)
#4A4A4A
Design tokens & code
CSS
--color: #2240a8; /* rgb */ color: rgb(34, 64, 168); /* oklch */ color: oklch(41.9% 0.171 266.4);
Tailwind
colors: {
custom: {
50: '#7474c3',
500: '#2240a8',
950: '#000000',
},
}SCSS
$custom: #2240a8; $custom-light: #7474c3; $custom-dark: #000000;
JSON
{
"hex": "#2240a8",
"rgb": {
"r": 34,
"g": 64,
"b": 168
},
"hsl": {
"h": 226.567,
"s": 66.337,
"l": 39.608
},
"oklch": {
"l": 0.4195,
"c": 0.17058,
"h": 266.4
},
"luminance": 0.06834
}Semantic roles & 50–950 ramp
primary
#2240A8
secondary
#C5AF61
accent
#C33FE9
background
#F7F7FC
surface
#EEEDF8
border
#C9C8D1
text
#0A0813
muted
#7C7B82