#17175A#17175A
#17175A is a dark, moderate blue. Relative luminance 0.015; OKLCH L 25.9% C 0.116 H 274.6°. Best body text is #FFFFFF at 16.07:1 contrast (WCAG AA passes).
Color values
| HEX | #17175A |
|---|---|
| RGB | rgb(23, 23, 90) |
| HSL | hsl(240, 59%, 22%) |
| HSV | hsv(240, 74%, 35%) |
| CMYK | cmyk(74.4%, 74.4%, 0%, 64.7%) |
| CIE-LAB | lab(12.82, 24.58, -40.05) |
| CIE-LCH | lch(12.82, 47.00, 301.54°) |
| OKLab | oklab(25.87% 0.0094 -0.1157) |
| OKLCH | oklch(25.87% 0.116 274.6) |
| XYZ | xyz(2.5046, 1.5329, 9.8348) |
| Luminance | 0.0153 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Midnight Blue
#191970
ΔE00 3.90
Dark Indigo
#1F0954
ΔE00 4.25
Navy Blue (survey)
#001146
ΔE00 4.34
Darkblue (survey)
#030764
ΔE00 4.94
Night Blue
#040348
ΔE00 5.03
Dark Blue
#00035B
ΔE00 5.35
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#17175A #5A5A17
analogous
#17395A #17175A #39175A
triadic
#17175A #5A1717 #175A17
tetradic
#17175A #5A1739 #5A5A17 #175A39
square
#17175A #5A1739 #5A5A17 #175A39
split-complementary
#17175A #5A3917 #395A17
monochromatic
#060618 #0B0B29 #17175A #23238B #3030BB
Accessibility & contrast
On white
16.07
#17175A on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.31
#17175A on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #17175A
16.07:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##17175A | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##17175A | 1.00 | 16.07 | 1.31 | 16.07 |
| #FFFFFF | 16.07 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.31 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 16.07 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#00245C
Deuteranopia (green-blind)
#001E59
Tritanopia (blue-blind)
#002936
Achromatopsia (no color)
#212121
Design tokens & code
CSS
--color: #17175a; /* rgb */ color: rgb(23, 23, 90); /* oklch */ color: oklch(25.9% 0.116 274.6);
Tailwind
colors: {
custom: {
50: '#5f5489',
500: '#17175a',
950: '#000000',
},
}SCSS
$custom: #17175a; $custom-light: #5f5489; $custom-dark: #000000;
JSON
{
"hex": "#17175a",
"rgb": {
"r": 23,
"g": 23,
"b": 90
},
"hsl": {
"h": 240,
"s": 59.292,
"l": 22.157
},
"oklch": {
"l": 0.25869,
"c": 0.11612,
"h": 274.6
},
"luminance": 0.01533
}Semantic roles & 50–950 ramp
primary
#17175A
secondary
#91913C
accent
#E245E2
background
#F5F4F8
surface
#EAE7F0
border
#C6C3CB
text
#05030C
muted
#79787D