#181644#181644
#181644 is a very dark, moderate blue. Relative luminance 0.012; OKLCH L 23.5% C 0.084 H 279.7°. Best body text is #FFFFFF at 16.98:1 contrast (WCAG AA passes).
Color values
| HEX | #181644 |
|---|---|
| RGB | rgb(24, 22, 68) |
| HSL | hsl(243, 51%, 18%) |
| HSV | hsv(243, 68%, 27%) |
| CMYK | cmyk(64.7%, 67.6%, 0%, 73.3%) |
| CIE-LAB | lab(10.45, 16.93, -28.81) |
| CIE-LCH | lch(10.45, 33.41, 300.45°) |
| OKLab | oklab(23.49% 0.0141 -0.0827) |
| OKLCH | oklch(23.49% 0.084 279.7) |
| XYZ | xyz(1.7067, 1.1852, 5.6066) |
| Luminance | 0.0118 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Navy Blue (survey)
#001146
ΔE00 3.69
Navy (survey)
#01153E
ΔE00 4.28
Dark Navy
#000435
ΔE00 4.94
Midnight Blue (survey)
#020035
ΔE00 5.07
Very Dark Blue
#000133
ΔE00 5.27
Midnight
#03012D
ΔE00 5.60
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#181644 #424416
analogous
#162B44 #181644 #2F1644
triadic
#181644 #441816 #164418
tetradic
#181644 #44162B #424416 #16442F
square
#181644 #44162B #424416 #16442F
split-complementary
#181644 #442F16 #2B4416
monochromatic
#080717 #080717 #181644 #282572 #3934A0
Accessibility & contrast
On white
16.98
#181644 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.24
#181644 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #181644
16.98:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##181644 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##181644 | 1.00 | 16.98 | 1.24 | 16.98 |
| #FFFFFF | 16.98 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.24 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 16.98 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#001E46
Deuteranopia (green-blind)
#001B43
Tritanopia (blue-blind)
#02212A
Achromatopsia (no color)
#1C1C1C
Design tokens & code
CSS
--color: #181644; /* rgb */ color: rgb(24, 22, 68); /* oklch */ color: oklch(23.5% 0.084 279.7);
Tailwind
colors: {
custom: {
50: '#5a5378',
500: '#181644',
950: '#000000',
},
}SCSS
$custom: #181644; $custom-light: #5a5378; $custom-dark: #000000;
JSON
{
"hex": "#181644",
"rgb": {
"r": 24,
"g": 22,
"b": 68
},
"hsl": {
"h": 242.609,
"s": 51.111,
"l": 17.647
},
"oklch": {
"l": 0.23494,
"c": 0.08393,
"h": 279.7
},
"luminance": 0.01185
}Semantic roles & 50–950 ramp
primary
#181644
secondary
#797B3A
accent
#DB4DD4
background
#F5F4F7
surface
#E9E7ED
border
#C5C3C8
text
#040209
muted
#79787B