#163B7A#163B7A
#163B7A is a dark, moderate blue. Relative luminance 0.047; OKLCH L 36.5% C 0.116 H 260.4°. Best body text is #FFFFFF at 10.82:1 contrast (WCAG AA passes).
Color values
| HEX | #163B7A |
|---|---|
| RGB | rgb(22, 59, 122) |
| HSL | hsl(218, 69%, 28%) |
| HSV | hsv(218, 82%, 48%) |
| CMYK | cmyk(82%, 51.6%, 0%, 52.2%) |
| CIE-LAB | lab(25.87, 11.81, -39.63) |
| CIE-LCH | lch(25.87, 41.35, 286.60°) |
| OKLab | oklab(36.48% -0.0193 -0.114) |
| OKLCH | oklch(36.48% 0.116 260.4) |
| XYZ | xyz(5.4064, 4.7030, 19.0314) |
| Luminance | 0.0470 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Darkish Blue
#014182
ΔE00 3.01
Marine Blue
#01386A
ΔE00 3.30
Twilight Blue
#0A437A
ΔE00 3.81
Cobalt (survey)
#1E488F
ΔE00 4.65
Marine
#042E60
ΔE00 4.96
Prussian Blue
#004577
ΔE00 5.42
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#163B7A #7A5516
analogous
#166D7A #163B7A #23167A
triadic
#163B7A #7A163B #3B7A16
tetradic
#163B7A #7A166D #7A5516 #167A23
square
#163B7A #7A166D #7A5516 #167A23
split-complementary
#163B7A #7A2316 #6D7A16
monochromatic
#050D1A #0D2246 #163B7A #1F54AE #316FDA
Accessibility & contrast
On white
10.82
#163B7A on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.94
#163B7A on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #163B7A
10.82:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##163B7A | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##163B7A | 1.00 | 10.82 | 1.94 | 10.82 |
| #FFFFFF | 10.82 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.94 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 10.82 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#15427C
Deuteranopia (green-blind)
#003979
Tritanopia (blue-blind)
#004A54
Achromatopsia (no color)
#3D3D3D
Design tokens & code
CSS
--color: #163b7a; /* rgb */ color: rgb(22, 59, 122); /* oklch */ color: oklch(36.5% 0.116 260.4);
Tailwind
colors: {
custom: {
50: '#6570a1',
500: '#163b7a',
950: '#000000',
},
}SCSS
$custom: #163b7a; $custom-light: #6570a1; $custom-dark: #000000;
JSON
{
"hex": "#163b7a",
"rgb": {
"r": 22,
"g": 59,
"b": 122
},
"hsl": {
"h": 217.8,
"s": 69.444,
"l": 28.235
},
"oklch": {
"l": 0.36482,
"c": 0.11564,
"h": 260.4
},
"luminance": 0.04704
}Semantic roles & 50–950 ramp
primary
#163B7A
secondary
#AF853D
accent
#AB3CEC
background
#F6F6F9
surface
#EBECF2
border
#C6C7CC
text
#06070F
muted
#7A7A7E