#170F49#170F49
#170F49 is a very dark, moderate blue. Relative luminance 0.010; OKLCH L 22.6% C 0.102 H 280.8°. Best body text is #FFFFFF at 17.49:1 contrast (WCAG AA passes).
Color values
| HEX | #170F49 |
|---|---|
| RGB | rgb(23, 15, 73) |
| HSL | hsl(248, 66%, 17%) |
| HSV | hsv(248, 79%, 29%) |
| CMYK | cmyk(68.5%, 79.5%, 0%, 71.4%) |
| CIE-LAB | lab(9.03, 23.54, -34.63) |
| CIE-LCH | lch(9.03, 41.87, 304.21°) |
| OKLab | oklab(22.6% 0.019 -0.0998) |
| OKLCH | oklch(22.6% 0.102 280.8) |
| XYZ | xyz(1.7264, 1.0047, 6.4050) |
| Luminance | 0.0100 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Night Blue
#040348
ΔE00 3.38
Dark Indigo
#1F0954
ΔE00 3.45
Navy Blue (survey)
#001146
ΔE00 3.75
Midnight Blue (survey)
#020035
ΔE00 5.11
Dark Navy
#000435
ΔE00 5.60
Dark Blue
#00035B
ΔE00 5.72
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#170F49 #41490F
analogous
#0F2449 #170F49 #340F49
triadic
#170F49 #49170F #0F4917
tetradic
#170F49 #490F24 #41490F #0F4934
square
#170F49 #490F24 #41490F #0F4934
split-complementary
#170F49 #49340F #24490F
monochromatic
#080519 #080519 #170F49 #27197C #3724AF
Accessibility & contrast
On white
17.49
#170F49 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.20
#170F49 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #170F49
17.49:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##170F49 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##170F49 | 1.00 | 17.49 | 1.20 | 17.49 |
| #FFFFFF | 17.49 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.20 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 17.49 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#001C4B
Deuteranopia (green-blind)
#001748
Tritanopia (blue-blind)
#001F2A
Achromatopsia (no color)
#1A1A1A
Design tokens & code
CSS
--color: #170f49; /* rgb */ color: rgb(23, 15, 73); /* oklch */ color: oklch(22.6% 0.102 280.8);
Tailwind
colors: {
custom: {
50: '#5c4e7c',
500: '#170f49',
950: '#000000',
},
}SCSS
$custom: #170f49; $custom-light: #5c4e7c; $custom-dark: #000000;
JSON
{
"hex": "#170f49",
"rgb": {
"r": 23,
"g": 15,
"b": 73
},
"hsl": {
"h": 248.276,
"s": 65.909,
"l": 17.255
},
"oklch": {
"l": 0.22598,
"c": 0.10164,
"h": 280.8
},
"luminance": 0.01005
}Semantic roles & 50–950 ramp
primary
#170F49
secondary
#788330
accent
#E93FD1
background
#F5F4F7
surface
#E9E7EE
border
#C5C3C9
text
#040109
muted
#79777B