#170440#170440
#170440 is a very dark, moderate violet. Relative luminance 0.006; OKLCH L 19.8% C 0.103 H 287.8°. Best body text is #FFFFFF at 18.62:1 contrast (WCAG AA passes).
Color values
| HEX | #170440 |
|---|---|
| RGB | rgb(23, 4, 64) |
| HSL | hsl(259, 88%, 13%) |
| HSV | hsv(259, 94%, 25%) |
| CMYK | cmyk(64.1%, 93.8%, 0%, 74.9%) |
| CIE-LAB | lab(5.77, 26.39, -33.62) |
| CIE-LCH | lch(5.77, 42.74, 308.14°) |
| OKLab | oklab(19.83% 0.0315 -0.098) |
| OKLCH | oklch(19.83% 0.103 287.8) |
| XYZ | xyz(1.3219, 0.6391, 4.9032) |
| Luminance | 0.0064 (WCAG relative) |
| Temperature | cool |
| Family | violet |
Closest named colors
Night Blue
#040348
ΔE00 3.43
Dark Indigo
#1F0954
ΔE00 3.84
Midnight Blue (survey)
#020035
ΔE00 5.42
Midnight Purple
#280137
ΔE00 5.57
Navy Blue (survey)
#001146
ΔE00 5.83
Dark Blue
#00035B
ΔE00 6.13
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#170440 #2D4004
analogous
#040F40 #170440 #350440
triadic
#170440 #401704 #044017
tetradic
#170440 #40040F #2D4004 #044035
square
#170440 #40040F #2D4004 #044035
split-complementary
#170440 #403504 #0F4004
monochromatic
#0A021D #0A021D #170440 #2C087A #400BB3
Accessibility & contrast
On white
18.62
#170440 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.13
#170440 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #170440
18.62:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##170440 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##170440 | 1.00 | 18.62 | 1.13 | 18.62 |
| #FFFFFF | 18.62 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.13 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 18.62 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#001442
Deuteranopia (green-blind)
#00113F
Tritanopia (blue-blind)
#051623
Achromatopsia (no color)
#131313
Design tokens & code
CSS
--color: #170440; /* rgb */ color: rgb(23, 4, 64); /* oklch */ color: oklch(19.8% 0.103 287.8);
Tailwind
colors: {
custom: {
50: '#5a4776',
500: '#170440',
950: '#000000',
},
}SCSS
$custom: #170440; $custom-light: #5a4776; $custom-dark: #000000;
JSON
{
"hex": "#170440",
"rgb": {
"r": 23,
"g": 4,
"b": 64
},
"hsl": {
"h": 259,
"s": 88.235,
"l": 13.333
},
"oklch": {
"l": 0.1983,
"c": 0.10294,
"h": 287.8
},
"luminance": 0.00639
}Semantic roles & 50–950 ramp
primary
#170440
secondary
#62811F
accent
#FE29BB
background
#F5F4F7
surface
#E9E6ED
border
#C5C2C8
text
#040008
muted
#79777B