#180C3E#180C3E
#180C3E is a very dark, moderate violet. Relative luminance 0.008; OKLCH L 21.0% C 0.089 H 287.0°. Best body text is #FFFFFF at 18.09:1 contrast (WCAG AA passes).
Color values
| HEX | #180C3E |
|---|---|
| RGB | rgb(24, 12, 62) |
| HSL | hsl(254, 68%, 15%) |
| HSV | hsv(254, 81%, 24%) |
| CMYK | cmyk(61.3%, 80.6%, 0%, 75.7%) |
| CIE-LAB | lab(7.27, 21.60, -29.73) |
| CIE-LCH | lch(7.27, 36.75, 305.99°) |
| OKLab | oklab(20.99% 0.0261 -0.0856) |
| OKLCH | oklch(20.99% 0.089 287) |
| XYZ | xyz(1.3774, 0.8049, 4.6393) |
| Luminance | 0.0080 (WCAG relative) |
| Temperature | cool |
| Family | violet |
Closest named colors
Midnight Blue (survey)
#020035
ΔE00 4.66
Night Blue
#040348
ΔE00 4.73
Navy Blue (survey)
#001146
ΔE00 4.94
Dark Indigo
#1F0954
ΔE00 5.14
Dark Navy
#000435
ΔE00 5.27
Very Dark Blue
#000133
ΔE00 5.36
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#180C3E #323E0C
analogous
#0C193E #180C3E #310C3E
triadic
#180C3E #3E180C #0C3E18
tetradic
#180C3E #3E0C19 #323E0C #0C3E31
square
#180C3E #3E0C19 #323E0C #0C3E31
split-complementary
#180C3E #3E310C #193E0C
monochromatic
#0A051A #0A051A #180C3E #2C1671 #4020A5
Accessibility & contrast
On white
18.09
#180C3E on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.16
#180C3E on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #180C3E
18.09:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##180C3E | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##180C3E | 1.00 | 18.09 | 1.16 | 18.09 |
| #FFFFFF | 18.09 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.16 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 18.09 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#00173F
Deuteranopia (green-blind)
#00153D
Tritanopia (blue-blind)
#081924
Achromatopsia (no color)
#161616
Design tokens & code
CSS
--color: #180c3e; /* rgb */ color: rgb(24, 12, 62); /* oklch */ color: oklch(21.0% 0.089 287.0);
Tailwind
colors: {
custom: {
50: '#5a4c74',
500: '#180c3e',
950: '#000000',
},
}SCSS
$custom: #180c3e; $custom-light: #5a4c74; $custom-dark: #000000;
JSON
{
"hex": "#180c3e",
"rgb": {
"r": 24,
"g": 12,
"b": 62
},
"hsl": {
"h": 254.4,
"s": 67.568,
"l": 14.51
},
"oklch": {
"l": 0.20991,
"c": 0.08948,
"h": 287
},
"luminance": 0.00805
}Semantic roles & 50–950 ramp
primary
#180C3E
secondary
#677A2C
accent
#EA3DC1
background
#F5F4F7
surface
#E9E7ED
border
#C5C3C8
text
#040108
muted
#79777B