#171665#171665
#171665 is a dark, vivid blue. Relative luminance 0.017; OKLCH L 26.9% C 0.133 H 273.5°. Best body text is #FFFFFF at 15.68:1 contrast (WCAG AA passes).
Color values
| HEX | #171665 |
|---|---|
| RGB | rgb(23, 22, 101) |
| HSL | hsl(241, 64%, 24%) |
| HSV | hsv(241, 78%, 40%) |
| CMYK | cmyk(77.2%, 78.2%, 0%, 60.4%) |
| CIE-LAB | lab(13.80, 29.37, -45.77) |
| CIE-LCH | lch(13.80, 54.38, 302.68°) |
| OKLab | oklab(26.94% 0.0081 -0.1324) |
| OKLCH | oklch(26.94% 0.133 273.5) |
| XYZ | xyz(2.9884, 1.6953, 12.4791) |
| Luminance | 0.0170 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Midnight Blue
#191970
ΔE00 1.86
Darkblue (survey)
#030764
ΔE00 3.57
Dark Royal Blue
#02066F
ΔE00 4.23
Dark Indigo
#1F0954
ΔE00 4.42
Dark Blue
#00035B
ΔE00 4.60
Deep Blue
#040273
ΔE00 5.09
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#171665 #646516
analogous
#163D65 #171665 #3F1665
triadic
#171665 #651716 #166517
tetradic
#171665 #65163D #646516 #16653F
square
#171665 #65163D #646516 #16653F
split-complementary
#171665 #653F16 #3D6516
monochromatic
#060519 #0C0B33 #171665 #222197 #2E2CCA
Accessibility & contrast
On white
15.68
#171665 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.34
#171665 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #171665
15.68:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##171665 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##171665 | 1.00 | 15.68 | 1.34 | 15.68 |
| #FFFFFF | 15.68 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.34 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 15.68 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#002767
Deuteranopia (green-blind)
#001F64
Tritanopia (blue-blind)
#002D3C
Achromatopsia (no color)
#232323
Design tokens & code
CSS
--color: #171665; /* rgb */ color: rgb(23, 22, 101); /* oklch */ color: oklch(26.9% 0.133 273.5);
Tailwind
colors: {
custom: {
50: '#625492',
500: '#171665',
950: '#000000',
},
}SCSS
$custom: #171665; $custom-light: #625492; $custom-dark: #000000;
JSON
{
"hex": "#171665",
"rgb": {
"r": 23,
"g": 22,
"b": 101
},
"hsl": {
"h": 240.759,
"s": 64.228,
"l": 24.118
},
"oklch": {
"l": 0.26939,
"c": 0.13266,
"h": 273.5
},
"luminance": 0.01696
}Semantic roles & 50–950 ramp
primary
#171665
secondary
#9A9C3B
accent
#E741E5
background
#F6F4F9
surface
#EBE7F1
border
#C6C3CB
text
#06030D
muted
#7A787E