#170E47#170E47
#170E47 is a very dark, moderate blue. Relative luminance 0.010; OKLCH L 22.2% C 0.100 H 281.7°. Best body text is #FFFFFF at 17.64:1 contrast (WCAG AA passes).
Color values
| HEX | #170E47 |
|---|---|
| RGB | rgb(23, 14, 71) |
| HSL | hsl(249, 67%, 17%) |
| HSV | hsv(249, 80%, 28%) |
| CMYK | cmyk(67.6%, 80.3%, 0%, 72.2%) |
| CIE-LAB | lab(8.58, 23.46, -33.97) |
| CIE-LCH | lch(8.58, 41.29, 304.63°) |
| OKLab | oklab(22.21% 0.0203 -0.0979) |
| OKLCH | oklch(22.21% 0.1 281.7) |
| XYZ | xyz(1.6474, 0.9511, 6.0568) |
| Luminance | 0.0095 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Night Blue
#040348
ΔE00 3.39
Dark Indigo
#1F0954
ΔE00 3.58
Navy Blue (survey)
#001146
ΔE00 3.93
Midnight Blue (survey)
#020035
ΔE00 4.95
Dark Navy
#000435
ΔE00 5.49
Very Dark Blue
#000133
ΔE00 5.70
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#170E47 #3E470E
analogous
#0E2247 #170E47 #340E47
triadic
#170E47 #47170E #0E4717
tetradic
#170E47 #470E22 #3E470E #0E4734
square
#170E47 #470E22 #3E470E #0E4734
split-complementary
#170E47 #47340E #22470E
monochromatic
#08051A #08051A #170E47 #28187A #3822AD
Accessibility & contrast
On white
17.64
#170E47 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.19
#170E47 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #170E47
17.64:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##170E47 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##170E47 | 1.00 | 17.64 | 1.19 | 17.64 |
| #FFFFFF | 17.64 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.19 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 17.64 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#001B49
Deuteranopia (green-blind)
#001746
Tritanopia (blue-blind)
#001E29
Achromatopsia (no color)
#191919
Design tokens & code
CSS
--color: #170e47; /* rgb */ color: rgb(23, 14, 71); /* oklch */ color: oklch(22.2% 0.100 281.7);
Tailwind
colors: {
custom: {
50: '#5b4d7b',
500: '#170e47',
950: '#000000',
},
}SCSS
$custom: #170e47; $custom-light: #5b4d7b; $custom-dark: #000000;
JSON
{
"hex": "#170e47",
"rgb": {
"r": 23,
"g": 14,
"b": 71
},
"hsl": {
"h": 249.474,
"s": 67.059,
"l": 16.667
},
"oklch": {
"l": 0.22208,
"c": 0.10002,
"h": 281.7
},
"luminance": 0.00951
}Semantic roles & 50–950 ramp
primary
#170E47
secondary
#75822F
accent
#EA3ECF
background
#F5F4F7
surface
#E9E7EE
border
#C5C3C9
text
#040109
muted
#79777B