#22539B#22539B
#22539B is a dark, vivid blue. Relative luminance 0.089; OKLCH L 44.9% C 0.129 H 258.3°. Best body text is #FFFFFF at 7.56:1 contrast (WCAG AA passes).
Color values
| HEX | #22539B |
|---|---|
| RGB | rgb(34, 83, 155) |
| HSL | hsl(216, 64%, 37%) |
| HSV | hsv(216, 78%, 61%) |
| CMYK | cmyk(78.1%, 46.5%, 0%, 39.2%) |
| CIE-LAB | lab(35.78, 10.22, -44.00) |
| CIE-LCH | lch(35.78, 45.17, 283.08°) |
| OKLab | oklab(44.94% -0.0261 -0.1262) |
| OKLCH | oklch(44.94% 0.129 258.3) |
| XYZ | xyz(9.6672, 8.8920, 32.2108) |
| Luminance | 0.0889 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Dusk Blue
#26538D
ΔE00 1.76
Denim Blue
#3B5B92
ΔE00 3.63
Light Navy Blue
#2E5A88
ΔE00 3.65
Cobalt (survey)
#1E488F
ΔE00 3.82
Light Navy
#155084
ΔE00 3.86
Sapphire
#0F52BA
ΔE00 3.90
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#22539B #9B6A22
analogous
#22909B #22539B #2D229B
triadic
#22539B #9B2253 #539B22
tetradic
#22539B #9B2290 #9B6A22 #229B2D
square
#22539B #9B2290 #9B6A22 #229B2D
split-complementary
#22539B #9B2D22 #909B22
monochromatic
#0C1D37 #173869 #22539B #2D6ECD #5C90DB
Accessibility & contrast
On white
7.56
#22539B on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.78
#22539B on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #22539B
7.56:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##22539B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##22539B | 1.00 | 7.56 | 2.78 | 7.56 |
| #FFFFFF | 7.56 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.78 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.56 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#2D5A9E
Deuteranopia (green-blind)
#114F9A
Tritanopia (blue-blind)
#00646F
Achromatopsia (no color)
#545454
Design tokens & code
CSS
--color: #22539b; /* rgb */ color: rgb(34, 83, 155); /* oklch */ color: oklch(44.9% 0.129 258.3);
Tailwind
colors: {
custom: {
50: '#7082b9',
500: '#22539b',
950: '#000000',
},
}SCSS
$custom: #22539b; $custom-light: #7082b9; $custom-dark: #000000;
JSON
{
"hex": "#22539b",
"rgb": {
"r": 34,
"g": 83,
"b": 155
},
"hsl": {
"h": 215.702,
"s": 64.021,
"l": 37.059
},
"oklch": {
"l": 0.4494,
"c": 0.12886,
"h": 258.3
},
"luminance": 0.08893
}Semantic roles & 50–950 ramp
primary
#22539B
secondary
#C09659
accent
#A441E7
background
#F7F7FB
surface
#EDEEF6
border
#C8C9D0
text
#090A11
muted
#7B7C80