#180C48#180C48
#180C48 is a very dark, moderate violet. Relative luminance 0.009; OKLCH L 22.1% C 0.104 H 283.1°. Best body text is #FFFFFF at 17.72:1 contrast (WCAG AA passes).
Color values
| HEX | #180C48 |
|---|---|
| RGB | rgb(24, 12, 72) |
| HSL | hsl(252, 71%, 16%) |
| HSV | hsv(252, 83%, 28%) |
| CMYK | cmyk(66.7%, 83.3%, 0%, 71.8%) |
| CIE-LAB | lab(8.35, 25.23, -35.04) |
| CIE-LCH | lch(8.35, 43.18, 305.75°) |
| OKLab | oklab(22.11% 0.0234 -0.101) |
| OKLCH | oklch(22.11% 0.104 283.1) |
| XYZ | xyz(1.6775, 0.9249, 6.2198) |
| Luminance | 0.0092 (WCAG relative) |
| Temperature | cool |
| Family | violet |
Closest named colors
Dark Indigo
#1F0954
ΔE00 2.91
Night Blue
#040348
ΔE00 3.07
Navy Blue (survey)
#001146
ΔE00 4.50
Midnight Blue (survey)
#020035
ΔE00 5.39
Dark Blue
#00035B
ΔE00 5.42
Dark Navy
#000435
ΔE00 6.04
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#180C48 #3C480C
analogous
#0C1E48 #180C48 #360C48
triadic
#180C48 #48180C #0C4818
tetradic
#180C48 #480C1E #3C480C #0C4836
square
#180C48 #480C1E #3C480C #0C4836
split-complementary
#180C48 #48360C #1E480C
monochromatic
#09041A #09041A #180C48 #29157C #3B1DB1
Accessibility & contrast
On white
17.72
#180C48 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.19
#180C48 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #180C48
17.72:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##180C48 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##180C48 | 1.00 | 17.72 | 1.19 | 17.72 |
| #FFFFFF | 17.72 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.19 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 17.72 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#001A4A
Deuteranopia (green-blind)
#001647
Tritanopia (blue-blind)
#001D29
Achromatopsia (no color)
#181818
Design tokens & code
CSS
--color: #180c48; /* rgb */ color: rgb(24, 12, 72); /* oklch */ color: oklch(22.1% 0.104 283.1);
Tailwind
colors: {
custom: {
50: '#5c4c7c',
500: '#180c48',
950: '#000000',
},
}SCSS
$custom: #180c48; $custom-light: #5c4c7c; $custom-dark: #000000;
JSON
{
"hex": "#180c48",
"rgb": {
"r": 24,
"g": 12,
"b": 72
},
"hsl": {
"h": 252,
"s": 71.429,
"l": 16.471
},
"oklch": {
"l": 0.22107,
"c": 0.10369,
"h": 283.1
},
"luminance": 0.00925
}Semantic roles & 50–950 ramp
primary
#180C48
secondary
#72842C
accent
#EE3ACA
background
#F5F4F7
surface
#E9E7EE
border
#C5C3C9
text
#040109
muted
#79777B