#163C8C#163C8C
#163C8C is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.2% C 0.140 H 262.6°. Best body text is #FFFFFF at 10.20:1 contrast (WCAG AA passes).
Color values
| HEX | #163C8C |
|---|---|
| RGB | rgb(22, 60, 140) |
| HSL | hsl(221, 73%, 32%) |
| HSV | hsv(221, 84%, 55%) |
| CMYK | cmyk(84.3%, 57.1%, 0%, 45.1%) |
| CIE-LAB | lab(27.56, 18.57, -48.14) |
| CIE-LCH | lch(27.56, 51.60, 291.10°) |
| OKLab | oklab(38.21% -0.018 -0.139) |
| OKLCH | oklch(38.21% 0.14 262.6) |
| XYZ | xyz(6.6787, 5.2949, 25.4759) |
| Luminance | 0.0530 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Darkish Blue
#014182
ΔE00 3.85
Cobalt (survey)
#1E488F
ΔE00 3.99
Twilight Blue
#0A437A
ΔE00 5.06
Cobalt
#0047AB
ΔE00 5.11
Marine Blue
#01386A
ΔE00 5.64
Sapphire (survey)
#2138AB
ΔE00 5.67
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#163C8C #8C6616
analogous
#16778C #163C8C #2B168C
triadic
#163C8C #8C163C #3C8C16
tetradic
#163C8C #8C1677 #8C6616 #168C2B
square
#163C8C #8C1677 #8C6616 #168C2B
split-complementary
#163C8C #8C2B16 #778C16
monochromatic
#050F22 #0E2557 #163C8C #1E53C1 #3C71E0
Accessibility & contrast
On white
10.20
#163C8C on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.06
#163C8C on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #163C8C
10.20:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##163C8C | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##163C8C | 1.00 | 10.20 | 2.06 | 10.20 |
| #FFFFFF | 10.20 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.06 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 10.20 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#00478F
Deuteranopia (green-blind)
#003C8A
Tritanopia (blue-blind)
#00505E
Achromatopsia (no color)
#414141
Design tokens & code
CSS
--color: #163c8c; /* rgb */ color: rgb(22, 60, 140); /* oklch */ color: oklch(38.2% 0.140 262.6);
Tailwind
colors: {
custom: {
50: '#6971ae',
500: '#163c8c',
950: '#000000',
},
}SCSS
$custom: #163c8c; $custom-light: #6971ae; $custom-dark: #000000;
JSON
{
"hex": "#163c8c",
"rgb": {
"r": 22,
"g": 60,
"b": 140
},
"hsl": {
"h": 220.678,
"s": 72.84,
"l": 31.765
},
"oklch": {
"l": 0.38206,
"c": 0.14017,
"h": 262.6
},
"luminance": 0.05296
}Semantic roles & 50–950 ramp
primary
#163C8C
secondary
#C0963E
accent
#B538F0
background
#F6F6FA
surface
#ECECF4
border
#C7C7CE
text
#070710
muted
#7A7A7F