#163C90#163C90
#163C90 is a dark, vivid blue. Relative luminance 0.054; OKLCH L 38.6% C 0.146 H 263.0°. Best body text is #FFFFFF at 10.08:1 contrast (WCAG AA passes).
Color values
| HEX | #163C90 |
|---|---|
| RGB | rgb(22, 60, 144) |
| HSL | hsl(221, 73%, 33%) |
| HSV | hsv(221, 85%, 56%) |
| CMYK | cmyk(84.7%, 58.3%, 0%, 43.5%) |
| CIE-LAB | lab(27.89, 20.21, -50.07) |
| CIE-LCH | lch(27.89, 54.00, 291.98°) |
| OKLab | oklab(38.56% -0.0177 -0.1447) |
| OKLCH | oklch(38.56% 0.146 263) |
| XYZ | xyz(6.9790, 5.4151, 27.0575) |
| Luminance | 0.0542 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt (survey)
#1E488F
ΔE00 4.13
Darkish Blue
#014182
ΔE00 4.29
Cobalt
#0047AB
ΔE00 4.78
Sapphire (survey)
#2138AB
ΔE00 5.05
Twilight Blue
#0A437A
ΔE00 5.50
Marine Blue
#01386A
ΔE00 6.20
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#163C90 #906A16
analogous
#167990 #163C90 #2D1690
triadic
#163C90 #90163C #3C9016
tetradic
#163C90 #901679 #906A16 #16902D
square
#163C90 #901679 #906A16 #16902D
split-complementary
#163C90 #902D16 #799016
monochromatic
#061026 #0E265B #163C90 #1E52C5 #3F71E2
Accessibility & contrast
On white
10.08
#163C90 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.08
#163C90 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #163C90
10.08:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##163C90 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##163C90 | 1.00 | 10.08 | 2.08 | 10.08 |
| #FFFFFF | 10.08 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.08 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 10.08 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#004893
Deuteranopia (green-blind)
#003C8E
Tritanopia (blue-blind)
#005160
Achromatopsia (no color)
#424242
Design tokens & code
CSS
--color: #163c90; /* rgb */ color: rgb(22, 60, 144); /* oklch */ color: oklch(38.6% 0.146 263.0);
Tailwind
colors: {
custom: {
50: '#6b71b1',
500: '#163c90',
950: '#000000',
},
}SCSS
$custom: #163c90; $custom-light: #6b71b1; $custom-dark: #000000;
JSON
{
"hex": "#163c90",
"rgb": {
"r": 22,
"g": 60,
"b": 144
},
"hsl": {
"h": 221.311,
"s": 73.494,
"l": 32.549
},
"oklch": {
"l": 0.38555,
"c": 0.14578,
"h": 263
},
"luminance": 0.05416
}Semantic roles & 50–950 ramp
primary
#163C90
secondary
#C29940
accent
#B738F0
background
#F6F6FB
surface
#ECECF6
border
#C7C7D0
text
#080711
muted
#7A7A80