#181044#181044
#181044 is a very dark, moderate blue. Relative luminance 0.010; OKLCH L 22.3% C 0.093 H 282.9°. Best body text is #FFFFFF at 17.55:1 contrast (WCAG AA passes).
Color values
| HEX | #181044 |
|---|---|
| RGB | rgb(24, 16, 68) |
| HSL | hsl(249, 62%, 16%) |
| HSV | hsv(249, 76%, 27%) |
| CMYK | cmyk(64.7%, 76.5%, 0%, 73.3%) |
| CIE-LAB | lab(8.84, 21.21, -31.43) |
| CIE-LCH | lch(8.84, 37.91, 304.01°) |
| OKLab | oklab(22.32% 0.0207 -0.0904) |
| OKLCH | oklch(22.32% 0.093 282.9) |
| XYZ | xyz(1.6050, 0.9820, 5.5727) |
| Luminance | 0.0098 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Navy Blue (survey)
#001146
ΔE00 3.88
Night Blue
#040348
ΔE00 4.38
Dark Indigo
#1F0954
ΔE00 4.64
Midnight Blue (survey)
#020035
ΔE00 4.70
Dark Navy
#000435
ΔE00 5.11
Very Dark Blue
#000133
ΔE00 5.33
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#181044 #3C4410
analogous
#102244 #181044 #321044
triadic
#181044 #441810 #104418
tetradic
#181044 #441022 #3C4410 #104432
square
#181044 #441022 #3C4410 #104432
split-complementary
#181044 #443210 #224410
monochromatic
#090619 #090619 #181044 #291C76 #3B27A7
Accessibility & contrast
On white
17.55
#181044 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.20
#181044 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #181044
17.55:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##181044 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##181044 | 1.00 | 17.55 | 1.20 | 17.55 |
| #FFFFFF | 17.55 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.20 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 17.55 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#001B46
Deuteranopia (green-blind)
#001743
Tritanopia (blue-blind)
#021E28
Achromatopsia (no color)
#191919
Design tokens & code
CSS
--color: #181044; /* rgb */ color: rgb(24, 16, 68); /* oklch */ color: oklch(22.3% 0.093 282.9);
Tailwind
colors: {
custom: {
50: '#5b4e78',
500: '#181044',
950: '#000000',
},
}SCSS
$custom: #181044; $custom-light: #5b4e78; $custom-dark: #000000;
JSON
{
"hex": "#181044",
"rgb": {
"r": 24,
"g": 16,
"b": 68
},
"hsl": {
"h": 249.231,
"s": 61.905,
"l": 16.471
},
"oklch": {
"l": 0.22324,
"c": 0.09279,
"h": 282.9
},
"luminance": 0.00982
}Semantic roles & 50–950 ramp
primary
#181044
secondary
#727E32
accent
#E543CC
background
#F5F4F7
surface
#E9E7ED
border
#C5C3C8
text
#040109
muted
#79777B