#0C172D#0C172D
#0C172D is a very dark, muted blue. Relative luminance 0.009; OKLCH L 20.8% C 0.047 H 262.9°. Best body text is #FFFFFF at 17.86:1 contrast (WCAG AA passes).
Color values
| HEX | #0C172D |
|---|---|
| RGB | rgb(12, 23, 45) |
| HSL | hsl(220, 58%, 11%) |
| HSV | hsv(220, 73%, 18%) |
| CMYK | cmyk(73.3%, 48.9%, 0%, 82.4%) |
| CIE-LAB | lab(7.95, 3.76, -16.32) |
| CIE-LCH | lch(7.95, 16.75, 282.98°) |
| OKLab | oklab(20.77% -0.0058 -0.0464) |
| OKLCH | oklch(20.77% 0.047 262.9) |
| XYZ | xyz(0.9315, 0.8803, 2.6029) |
| Luminance | 0.0088 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Navy (survey)
#01153E
ΔE00 6.24
Dark
#1B2431
ΔE00 6.69
Navy Blue
#1B2A4A
ΔE00 6.77
Dark Navy Blue
#00022E
ΔE00 7.06
Midnight
#03012D
ΔE00 7.37
Dark Navy
#000435
ΔE00 8.00
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#0C172D #2D220C
analogous
#0C272D #0C172D #110C2D
triadic
#0C172D #2D0C17 #172D0C
tetradic
#0C172D #2D0C27 #2D220C #0C2D11
square
#0C172D #2D0C27 #2D220C #0C2D11
split-complementary
#0C172D #2D110C #272D0C
monochromatic
#060C18 #060C18 #0C172D #19305D #26488E
Accessibility & contrast
On white
17.86
#0C172D on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.18
#0C172D on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #0C172D
17.86:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##0C172D | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##0C172D | 1.00 | 17.86 | 1.18 | 17.86 |
| #FFFFFF | 17.86 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.18 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 17.86 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0D192E
Deuteranopia (green-blind)
#09162D
Tritanopia (blue-blind)
#001C1F
Achromatopsia (no color)
#171717
Design tokens & code
CSS
--color: #0c172d; /* rgb */ color: rgb(12, 23, 45); /* oklch */ color: oklch(20.8% 0.047 262.9);
Tailwind
colors: {
custom: {
50: '#4e5366',
500: '#0c172d',
950: '#000000',
},
}SCSS
$custom: #0c172d; $custom-light: #4e5366; $custom-dark: #000000;
JSON
{
"hex": "#0c172d",
"rgb": {
"r": 12,
"g": 23,
"b": 45
},
"hsl": {
"h": 220,
"s": 57.895,
"l": 11.176
},
"oklch": {
"l": 0.2077,
"c": 0.04673,
"h": 262.9
},
"luminance": 0.0088
}Semantic roles & 50–950 ramp
primary
#0C172D
secondary
#69542C
accent
#AE47E1
background
#F4F4F6
surface
#E7E7EB
border
#C3C3C6
text
#020206
muted
#78787A