#180C43#180C43
#180C43 is a very dark, moderate violet. Relative luminance 0.009; OKLCH L 21.5% C 0.097 H 284.9°. Best body text is #FFFFFF at 17.91:1 contrast (WCAG AA passes).
Color values
| HEX | #180C43 |
|---|---|
| RGB | rgb(24, 12, 67) |
| HSL | hsl(253, 70%, 15%) |
| HSV | hsv(253, 82%, 26%) |
| CMYK | cmyk(64.2%, 82.1%, 0%, 73.7%) |
| CIE-LAB | lab(7.79, 23.46, -32.44) |
| CIE-LCH | lch(7.79, 40.04, 305.87°) |
| OKLab | oklab(21.54% 0.0248 -0.0934) |
| OKLCH | oklch(21.54% 0.097 284.9) |
| XYZ | xyz(1.5210, 0.8623, 5.3954) |
| Luminance | 0.0086 (WCAG relative) |
| Temperature | cool |
| Family | violet |
Closest named colors
Night Blue
#040348
ΔE00 3.75
Dark Indigo
#1F0954
ΔE00 3.96
Navy Blue (survey)
#001146
ΔE00 4.58
Midnight Blue (survey)
#020035
ΔE00 4.90
Dark Navy
#000435
ΔE00 5.56
Very Dark Blue
#000133
ΔE00 5.70
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#180C43 #37430C
analogous
#0C1B43 #180C43 #330C43
triadic
#180C43 #43180C #0C4318
tetradic
#180C43 #430C1B #37430C #0C4333
square
#180C43 #430C1B #37430C #0C4333
split-complementary
#180C43 #43330C #1B430C
monochromatic
#09051A #09051A #180C43 #2B1577 #3D1FAB
Accessibility & contrast
On white
17.91
#180C43 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.17
#180C43 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #180C43
17.91:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##180C43 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##180C43 | 1.00 | 17.91 | 1.17 | 17.91 |
| #FFFFFF | 17.91 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.17 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 17.91 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#001945
Deuteranopia (green-blind)
#001542
Tritanopia (blue-blind)
#041B26
Achromatopsia (no color)
#171717
Design tokens & code
CSS
--color: #180c43; /* rgb */ color: rgb(24, 12, 67); /* oklch */ color: oklch(21.5% 0.097 284.9);
Tailwind
colors: {
custom: {
50: '#5b4c78',
500: '#180c43',
950: '#000000',
},
}SCSS
$custom: #180c43; $custom-light: #5b4c78; $custom-dark: #000000;
JSON
{
"hex": "#180c43",
"rgb": {
"r": 24,
"g": 12,
"b": 67
},
"hsl": {
"h": 253.091,
"s": 69.62,
"l": 15.49
},
"oklch": {
"l": 0.2154,
"c": 0.09666,
"h": 284.9
},
"luminance": 0.00862
}Semantic roles & 50–950 ramp
primary
#180C43
secondary
#6D7F2C
accent
#EC3BC6
background
#F5F4F7
surface
#E9E7ED
border
#C5C3C8
text
#040109
muted
#79777B