#180B47#180B47
#180B47 is a very dark, moderate violet. Relative luminance 0.009; OKLCH L 21.8% C 0.103 H 283.7°. Best body text is #FFFFFF at 17.83:1 contrast (WCAG AA passes).
Color values
| HEX | #180B47 |
|---|---|
| RGB | rgb(24, 11, 71) |
| HSL | hsl(253, 73%, 16%) |
| HSV | hsv(253, 85%, 28%) |
| CMYK | cmyk(66.2%, 84.5%, 0%, 72.2%) |
| CIE-LAB | lab(8.02, 25.47, -34.88) |
| CIE-LCH | lch(8.02, 43.19, 306.14°) |
| OKLab | oklab(21.84% 0.0245 -0.1005) |
| OKLCH | oklch(21.84% 0.103 283.7) |
| XYZ | xyz(1.6333, 0.8884, 6.0454) |
| Luminance | 0.0089 (WCAG relative) |
| Temperature | cool |
| Family | violet |
Closest named colors
Dark Indigo
#1F0954
ΔE00 2.94
Night Blue
#040348
ΔE00 3.06
Navy Blue (survey)
#001146
ΔE00 4.69
Midnight Blue (survey)
#020035
ΔE00 5.39
Dark Blue
#00035B
ΔE00 5.46
Dark Navy
#000435
ΔE00 6.08
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#180B47 #3A470B
analogous
#0B1C47 #180B47 #360B47
triadic
#180B47 #47180B #0B4718
tetradic
#180B47 #470B1C #3A470B #0B4736
square
#180B47 #470B1C #3A470B #0B4736
split-complementary
#180B47 #47360B #1C470B
monochromatic
#09041A #09041A #180B47 #2A137C #3C1BB1
Accessibility & contrast
On white
17.83
#180B47 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.18
#180B47 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #180B47
17.83:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##180B47 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##180B47 | 1.00 | 17.83 | 1.18 | 17.83 |
| #FFFFFF | 17.83 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.18 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 17.83 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#001949
Deuteranopia (green-blind)
#001646
Tritanopia (blue-blind)
#001C28
Achromatopsia (no color)
#181818
Design tokens & code
CSS
--color: #180b47; /* rgb */ color: rgb(24, 11, 71); /* oklch */ color: oklch(21.8% 0.103 283.7);
Tailwind
colors: {
custom: {
50: '#5c4b7b',
500: '#180b47',
950: '#000000',
},
}SCSS
$custom: #180b47; $custom-light: #5c4b7b; $custom-dark: #000000;
JSON
{
"hex": "#180b47",
"rgb": {
"r": 24,
"g": 11,
"b": 71
},
"hsl": {
"h": 253,
"s": 73.171,
"l": 16.078
},
"oklch": {
"l": 0.21844,
"c": 0.10347,
"h": 283.7
},
"luminance": 0.00888
}Semantic roles & 50–950 ramp
primary
#180B47
secondary
#70832A
accent
#F038C8
background
#F5F4F7
surface
#E9E7EE
border
#C5C3C9
text
#040109
muted
#79777B