#180B4F#180B4F
#180B4F is a very dark, moderate violet. Relative luminance 0.010; OKLCH L 22.8% C 0.114 H 281.1°. Best body text is #FFFFFF at 17.51:1 contrast (WCAG AA passes).
Color values
| HEX | #180B4F |
|---|---|
| RGB | rgb(24, 11, 79) |
| HSL | hsl(251, 76%, 18%) |
| HSV | hsv(251, 86%, 31%) |
| CMYK | cmyk(69.6%, 86.1%, 0%, 69%) |
| CIE-LAB | lab(8.97, 28.22, -38.88) |
| CIE-LCH | lch(8.97, 48.04, 305.98°) |
| OKLab | oklab(22.79% 0.022 -0.1122) |
| OKLCH | oklch(22.79% 0.114 281.1) |
| XYZ | xyz(1.9072, 0.9979, 7.4877) |
| Luminance | 0.0100 (WCAG relative) |
| Temperature | cool |
| Family | violet |
Closest named colors
Dark Indigo
#1F0954
ΔE00 1.59
Night Blue
#040348
ΔE00 2.71
Dark Blue
#00035B
ΔE00 3.98
Darkblue (survey)
#030764
ΔE00 4.59
Navy Blue (survey)
#001146
ΔE00 5.03
Midnight Blue
#191970
ΔE00 6.16
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#180B4F #424F0B
analogous
#0B204F #180B4F #3A0B4F
triadic
#180B4F #4F180B #0B4F18
tetradic
#180B4F #4F0B20 #424F0B #0B4F3A
square
#180B4F #4F0B20 #424F0B #0B4F3A
split-complementary
#180B4F #4F3A0B #204F0B
monochromatic
#08041B #08041B #180B4F #281285 #391ABA
Accessibility & contrast
On white
17.51
#180B4F on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.20
#180B4F on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #180B4F
17.51:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##180B4F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##180B4F | 1.00 | 17.51 | 1.20 | 17.51 |
| #FFFFFF | 17.51 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.20 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 17.51 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#001C51
Deuteranopia (green-blind)
#00174E
Tritanopia (blue-blind)
#001F2D
Achromatopsia (no color)
#191919
Design tokens & code
CSS
--color: #180b4f; /* rgb */ color: rgb(24, 11, 79); /* oklch */ color: oklch(22.8% 0.114 281.1);
Tailwind
colors: {
custom: {
50: '#5e4c81',
500: '#180b4f',
950: '#000000',
},
}SCSS
$custom: #180b4f; $custom-light: #5e4c81; $custom-dark: #000000;
JSON
{
"hex": "#180b4f",
"rgb": {
"r": 24,
"g": 11,
"b": 79
},
"hsl": {
"h": 251.471,
"s": 75.556,
"l": 17.647
},
"oklch": {
"l": 0.22791,
"c": 0.11433,
"h": 281.1
},
"luminance": 0.00998
}Semantic roles & 50–950 ramp
primary
#180B4F
secondary
#798B2B
accent
#F236CE
background
#F5F4F8
surface
#EAE7EF
border
#C6C3CA
text
#05010A
muted
#79777C