#181047#181047
#181047 is a very dark, moderate blue. Relative luminance 0.010; OKLCH L 22.6% C 0.097 H 281.9°. Best body text is #FFFFFF at 17.44:1 contrast (WCAG AA passes).
Color values
| HEX | #181047 |
|---|---|
| RGB | rgb(24, 16, 71) |
| HSL | hsl(249, 63%, 17%) |
| HSV | hsv(249, 77%, 28%) |
| CMYK | cmyk(66.2%, 77.5%, 0%, 72.2%) |
| CIE-LAB | lab(9.15, 22.31, -33.02) |
| CIE-LCH | lch(9.15, 39.85, 304.05°) |
| OKLab | oklab(22.65% 0.0201 -0.0951) |
| OKLCH | oklch(22.65% 0.097 281.9) |
| XYZ | xyz(1.6990, 1.0196, 6.0673) |
| Luminance | 0.0102 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Navy Blue (survey)
#001146
ΔE00 3.76
Night Blue
#040348
ΔE00 3.93
Dark Indigo
#1F0954
ΔE00 4.03
Midnight Blue (survey)
#020035
ΔE00 4.96
Dark Navy
#000435
ΔE00 5.39
Very Dark Blue
#000133
ΔE00 5.63
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#181047 #3F4710
analogous
#102447 #181047 #341047
triadic
#181047 #471810 #104718
tetradic
#181047 #471024 #3F4710 #104734
square
#181047 #471024 #3F4710 #104734
split-complementary
#181047 #473410 #244710
monochromatic
#080619 #080619 #181047 #291B79 #3A27AB
Accessibility & contrast
On white
17.44
#181047 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.20
#181047 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #181047
17.44:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##181047 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##181047 | 1.00 | 17.44 | 1.20 | 17.44 |
| #FFFFFF | 17.44 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.20 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 17.44 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#001C49
Deuteranopia (green-blind)
#001846
Tritanopia (blue-blind)
#001F2A
Achromatopsia (no color)
#1A1A1A
Design tokens & code
CSS
--color: #181047; /* rgb */ color: rgb(24, 16, 71); /* oklch */ color: oklch(22.6% 0.097 281.9);
Tailwind
colors: {
custom: {
50: '#5c4f7b',
500: '#181047',
950: '#000000',
},
}SCSS
$custom: #181047; $custom-light: #5c4f7b; $custom-dark: #000000;
JSON
{
"hex": "#181047",
"rgb": {
"r": 24,
"g": 16,
"b": 71
},
"hsl": {
"h": 248.727,
"s": 63.218,
"l": 17.059
},
"oklch": {
"l": 0.22645,
"c": 0.09723,
"h": 281.9
},
"luminance": 0.0102
}Semantic roles & 50–950 ramp
primary
#181047
secondary
#758132
accent
#E642CE
background
#F5F4F7
surface
#E9E7EE
border
#C5C3C9
text
#040209
muted
#79787B