#180B43#180B43
#180B43 is a very dark, moderate violet. Relative luminance 0.008; OKLCH L 21.4% C 0.098 H 285.2°. Best body text is #FFFFFF at 17.98:1 contrast (WCAG AA passes).
Color values
| HEX | #180B43 |
|---|---|
| RGB | rgb(24, 11, 67) |
| HSL | hsl(254, 72%, 15%) |
| HSV | hsv(254, 84%, 26%) |
| CMYK | cmyk(64.2%, 83.6%, 0%, 73.7%) |
| CIE-LAB | lab(7.58, 24.05, -32.79) |
| CIE-LCH | lch(7.58, 40.67, 306.26°) |
| OKLab | oklab(21.39% 0.0257 -0.0945) |
| OKLCH | oklch(21.39% 0.098 285.2) |
| XYZ | xyz(1.5092, 0.8387, 5.3915) |
| Luminance | 0.0084 (WCAG relative) |
| Temperature | cool |
| Family | violet |
Closest named colors
Night Blue
#040348
ΔE00 3.61
Dark Indigo
#1F0954
ΔE00 3.79
Navy Blue (survey)
#001146
ΔE00 4.75
Midnight Blue (survey)
#020035
ΔE00 5.01
Dark Navy
#000435
ΔE00 5.71
Very Dark Blue
#000133
ΔE00 5.83
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#180B43 #36430B
analogous
#0B1A43 #180B43 #340B43
triadic
#180B43 #43180B #0B4318
tetradic
#180B43 #430B1A #36430B #0B4334
square
#180B43 #430B1A #36430B #0B4334
split-complementary
#180B43 #43340B #1A430B
monochromatic
#09041A #09041A #180B43 #2B1478 #3E1CAC
Accessibility & contrast
On white
17.98
#180B43 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.17
#180B43 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #180B43
17.98:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##180B43 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##180B43 | 1.00 | 17.98 | 1.17 | 17.98 |
| #FFFFFF | 17.98 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.17 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 17.98 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#001845
Deuteranopia (green-blind)
#001542
Tritanopia (blue-blind)
#041B26
Achromatopsia (no color)
#171717
Design tokens & code
CSS
--color: #180b43; /* rgb */ color: rgb(24, 11, 67); /* oklch */ color: oklch(21.4% 0.098 285.2);
Tailwind
colors: {
custom: {
50: '#5b4b78',
500: '#180b43',
950: '#000000',
},
}SCSS
$custom: #180b43; $custom-light: #5b4b78; $custom-dark: #000000;
JSON
{
"hex": "#180b43",
"rgb": {
"r": 24,
"g": 11,
"b": 67
},
"hsl": {
"h": 253.929,
"s": 71.795,
"l": 15.294
},
"oklch": {
"l": 0.21385,
"c": 0.09791,
"h": 285.2
},
"luminance": 0.00839
}Semantic roles & 50–950 ramp
primary
#180B43
secondary
#6C802A
accent
#EF39C4
background
#F5F4F7
surface
#E9E7ED
border
#C5C3C8
text
#040109
muted
#79777B