#180B48#180B48
#180B48 is a very dark, moderate violet. Relative luminance 0.009; OKLCH L 22.0% C 0.105 H 283.4°. Best body text is #FFFFFF at 17.79:1 contrast (WCAG AA passes).
Color values
| HEX | #180B48 |
|---|---|
| RGB | rgb(24, 11, 72) |
| HSL | hsl(253, 73%, 16%) |
| HSV | hsv(253, 85%, 28%) |
| CMYK | cmyk(66.7%, 84.7%, 0%, 71.8%) |
| CIE-LAB | lab(8.14, 25.82, -35.39) |
| CIE-LCH | lch(8.14, 43.81, 306.12°) |
| OKLab | oklab(21.96% 0.0242 -0.102) |
| OKLCH | oklch(21.96% 0.105 283.4) |
| XYZ | xyz(1.6657, 0.9013, 6.2158) |
| Luminance | 0.0090 (WCAG relative) |
| Temperature | cool |
| Family | violet |
Closest named colors
Dark Indigo
#1F0954
ΔE00 2.74
Night Blue
#040348
ΔE00 2.95
Navy Blue (survey)
#001146
ΔE00 4.71
Dark Blue
#00035B
ΔE00 5.26
Midnight Blue (survey)
#020035
ΔE00 5.50
Darkblue (survey)
#030764
ΔE00 6.02
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#180B48 #3B480B
analogous
#0B1D48 #180B48 #370B48
triadic
#180B48 #48180B #0B4818
tetradic
#180B48 #480B1D #3B480B #0B4837
square
#180B48 #480B1D #3B480B #0B4837
split-complementary
#180B48 #48370B #1D480B
monochromatic
#09041B #09041B #180B48 #2A137D #3B1BB2
Accessibility & contrast
On white
17.79
#180B48 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.18
#180B48 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #180B48
17.79:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##180B48 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##180B48 | 1.00 | 17.79 | 1.18 | 17.79 |
| #FFFFFF | 17.79 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.18 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 17.79 | 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: #180b48; /* rgb */ color: rgb(24, 11, 72); /* oklch */ color: oklch(22.0% 0.105 283.4);
Tailwind
colors: {
custom: {
50: '#5c4c7c',
500: '#180b48',
950: '#000000',
},
}SCSS
$custom: #180b48; $custom-light: #5c4c7c; $custom-dark: #000000;
JSON
{
"hex": "#180b48",
"rgb": {
"r": 24,
"g": 11,
"b": 72
},
"hsl": {
"h": 252.787,
"s": 73.494,
"l": 16.275
},
"oklch": {
"l": 0.2196,
"c": 0.10485,
"h": 283.4
},
"luminance": 0.00901
}Semantic roles & 50–950 ramp
primary
#180B48
secondary
#71842A
accent
#F038C9
background
#F5F4F7
surface
#E9E7EE
border
#C5C3C9
text
#050109
muted
#79777B