#00171D#00171D
#00171D is a very dark, muted cyan. Relative luminance 0.007; OKLCH L 18.9% C 0.034 H 216.2°. Best body text is #FFFFFF at 18.41:1 contrast (WCAG AA passes).
Color values
| HEX | #00171D |
|---|---|
| RGB | rgb(0, 23, 29) |
| HSL | hsl(192, 100%, 6%) |
| HSV | hsv(192, 100%, 11%) |
| CMYK | cmyk(100%, 20.7%, 0%, 88.6%) |
| CIE-LAB | lab(6.34, -5.68, -6.84) |
| CIE-LCH | lch(6.34, 8.89, 230.33°) |
| OKLab | oklab(18.86% -0.027 -0.0198) |
| OKLCH | oklch(18.86% 0.034 216.2) |
| XYZ | xyz(0.5281, 0.7014, 1.2697) |
| Luminance | 0.0070 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Almost Black
#070D0D
ΔE00 7.02
Dark
#1B2431
ΔE00 8.83
Black
#000000
ΔE00 9.53
Gunmetal
#2A3439
ΔE00 10.14
Dark Blue Grey
#1F3B4D
ΔE00 12.49
Charcoal (survey)
#343837
ΔE00 13.05
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#00171D #1D0600
analogous
#001D14 #00171D #00081D
triadic
#00171D #1D0017 #171D00
tetradic
#00171D #14001D #1D0600 #081D00
square
#00171D #14001D #1D0600 #081D00
split-complementary
#00171D #1D0008 #1D1400
monochromatic
#00181F #00181F #00181F #00485A #007897
Accessibility & contrast
On white
18.41
#00171D on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.14
#00171D on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #00171D
18.41:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##00171D | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##00171D | 1.00 | 18.41 | 1.14 | 18.41 |
| #FFFFFF | 18.41 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.14 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 18.41 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#13161D
Deuteranopia (green-blind)
#0E131D
Tritanopia (blue-blind)
#001919
Achromatopsia (no color)
#141414
Design tokens & code
CSS
--color: #00171d; /* rgb */ color: rgb(0, 23, 29); /* oklch */ color: oklch(18.9% 0.034 216.2);
Tailwind
colors: {
custom: {
50: '#465358',
500: '#00171d',
950: '#000000',
},
}SCSS
$custom: #00171d; $custom-light: #465358; $custom-dark: #000000;
JSON
{
"hex": "#00171d",
"rgb": {
"r": 0,
"g": 23,
"b": 29
},
"hsl": {
"h": 192.414,
"s": 100,
"l": 5.686
},
"oklch": {
"l": 0.18855,
"c": 0.03352,
"h": 216.2
},
"luminance": 0.00702
}Semantic roles & 50–950 ramp
primary
#00171D
secondary
#672412
accent
#5529FF
background
#F3F4F5
surface
#E5E7E9
border
#C1C3C5
text
#000203
muted
#767878