#172C42#172C42
#172C42 is a dark, muted cyan. Relative luminance 0.024; OKLCH L 28.7% C 0.049 H 250.9°. Best body text is #FFFFFF at 14.23:1 contrast (WCAG AA passes).
Color values
| HEX | #172C42 |
|---|---|
| RGB | rgb(23, 44, 66) |
| HSL | hsl(211, 48%, 17%) |
| HSV | hsv(211, 65%, 26%) |
| CMYK | cmyk(65.2%, 33.3%, 0%, 74.1%) |
| CIE-LAB | lab(17.35, -0.47, -16.40) |
| CIE-LCH | lch(17.35, 16.41, 268.37°) |
| OKLab | oklab(28.7% -0.016 -0.0462) |
| OKLCH | oklch(28.7% 0.049 250.9) |
| XYZ | xyz(2.2370, 2.3767, 5.4941) |
| Luminance | 0.0238 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dark
#1B2431
ΔE00 4.84
Navy Blue
#1B2A4A
ΔE00 5.49
Dark Blue Grey
#1F3B4D
ΔE00 6.35
Marine
#042E60
ΔE00 6.75
Marine Blue
#01386A
ΔE00 7.78
Dark Grey Blue
#29465B
ΔE00 8.86
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#172C42 #422D17
analogous
#174242 #172C42 #181742
triadic
#172C42 #42172C #2C4217
tetradic
#172C42 #421742 #422D17 #174218
square
#172C42 #421742 #422D17 #174218
split-complementary
#172C42 #421817 #424217
monochromatic
#080F17 #080F17 #172C42 #274A6F #37699D
Accessibility & contrast
On white
14.23
#172C42 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.48
#172C42 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #172C42
14.23:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##172C42 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##172C42 | 1.00 | 14.23 | 1.48 | 14.23 |
| #FFFFFF | 14.23 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.48 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 14.23 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#232D43
Deuteranopia (green-blind)
#1D2942
Tritanopia (blue-blind)
#003134
Achromatopsia (no color)
#2B2B2B
Design tokens & code
CSS
--color: #172c42; /* rgb */ color: rgb(23, 44, 66); /* oklch */ color: oklch(28.7% 0.049 250.9);
Tailwind
colors: {
custom: {
50: '#586476',
500: '#172c42',
950: '#000000',
},
}SCSS
$custom: #172c42; $custom-light: #586476; $custom-dark: #000000;
JSON
{
"hex": "#172c42",
"rgb": {
"r": 23,
"g": 44,
"b": 66
},
"hsl": {
"h": 210.698,
"s": 48.315,
"l": 17.451
},
"oklch": {
"l": 0.28703,
"c": 0.04886,
"h": 250.9
},
"luminance": 0.02377
}Semantic roles & 50–950 ramp
primary
#172C42
secondary
#795B3C
accent
#9550D8
background
#F5F6F7
surface
#E9EBED
border
#C5C6C8
text
#030508
muted
#787A7B