#17174A#17174A
#17174A is a very dark, moderate blue. Relative luminance 0.013; OKLCH L 24.2% C 0.092 H 277.0°. Best body text is #FFFFFF at 16.70:1 contrast (WCAG AA passes).
Color values
| HEX | #17174A |
|---|---|
| RGB | rgb(23, 23, 74) |
| HSL | hsl(240, 53%, 19%) |
| HSV | hsv(240, 69%, 29%) |
| CMYK | cmyk(68.9%, 68.9%, 0%, 71%) |
| CIE-LAB | lab(11.20, 18.35, -31.77) |
| CIE-LCH | lch(11.20, 36.69, 300.01°) |
| OKLab | oklab(24.2% 0.0112 -0.0915) |
| OKLCH | oklch(24.2% 0.092 277) |
| XYZ | xyz(1.8954, 1.2892, 6.6262) |
| Luminance | 0.0129 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Navy Blue (survey)
#001146
ΔE00 3.04
Navy (survey)
#01153E
ΔE00 4.34
Dark Navy
#000435
ΔE00 5.28
Midnight Blue (survey)
#020035
ΔE00 5.39
Night Blue
#040348
ΔE00 5.57
Very Dark Blue
#000133
ΔE00 5.67
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#17174A #4A4A17
analogous
#17314A #17174A #31174A
triadic
#17174A #4A1717 #174A17
tetradic
#17174A #4A1731 #4A4A17 #174A31
square
#17174A #4A1731 #4A4A17 #174A31
split-complementary
#17174A #4A3117 #314A17
monochromatic
#070717 #08081B #17174A #262679 #3434A7
Accessibility & contrast
On white
16.70
#17174A on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.26
#17174A on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #17174A
16.70:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##17174A | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##17174A | 1.00 | 16.70 | 1.26 | 16.70 |
| #FFFFFF | 16.70 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.26 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 16.70 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#00204C
Deuteranopia (green-blind)
#001C49
Tritanopia (blue-blind)
#00242D
Achromatopsia (no color)
#1E1E1E
Design tokens & code
CSS
--color: #17174a; /* rgb */ color: rgb(23, 23, 74); /* oklch */ color: oklch(24.2% 0.092 277.0);
Tailwind
colors: {
custom: {
50: '#5b547d',
500: '#17174a',
950: '#000000',
},
}SCSS
$custom: #17174a; $custom-light: #5b547d; $custom-dark: #000000;
JSON
{
"hex": "#17174a",
"rgb": {
"r": 23,
"g": 23,
"b": 74
},
"hsl": {
"h": 240,
"s": 52.577,
"l": 19.02
},
"oklch": {
"l": 0.24198,
"c": 0.09216,
"h": 277
},
"luminance": 0.01289
}Semantic roles & 50–950 ramp
primary
#17174A
secondary
#81813C
accent
#DC4CDC
background
#F5F4F7
surface
#E9E7EE
border
#C5C3C9
text
#04020A
muted
#79787C