#000A18#000A18
#000A18 is a very dark, muted blue. Relative luminance 0.003; OKLCH L 14.1% C 0.038 H 247.7°. Best body text is #FFFFFF at 19.88:1 contrast (WCAG AA passes).
Color values
| HEX | #000A18 |
|---|---|
| RGB | rgb(0, 10, 24) |
| HSL | hsl(215, 100%, 5%) |
| HSV | hsv(215, 100%, 9%) |
| CMYK | cmyk(100%, 58.3%, 0%, 90.6%) |
| CIE-LAB | lab(2.56, 0.18, -8.53) |
| CIE-LCH | lch(2.56, 8.53, 271.19°) |
| OKLab | oklab(14.12% -0.0143 -0.035) |
| OKLCH | oklch(14.12% 0.038 247.7) |
| XYZ | xyz(0.2733, 0.2830, 0.9042) |
| Luminance | 0.0028 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Dark
#1B2431
ΔE00 7.06
Almost Black
#070D0D
ΔE00 7.09
Black
#000000
ΔE00 7.31
Dark Navy Blue
#00022E
ΔE00 11.85
Midnight
#03012D
ΔE00 12.10
Navy (survey)
#01153E
ΔE00 12.22
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#000A18 #180E00
analogous
#001618 #000A18 #020018
triadic
#000A18 #18000A #0A1800
tetradic
#000A18 #180016 #180E00 #001802
square
#000A18 #180016 #180E00 #001802
split-complementary
#000A18 #180200 #161800
monochromatic
#000D1F #000D1F #000D1F #002455 #003D92
Accessibility & contrast
On white
19.88
#000A18 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.06
#000A18 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #000A18
19.88:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##000A18 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##000A18 | 1.00 | 19.88 | 1.06 | 19.88 |
| #FFFFFF | 19.88 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.06 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 19.88 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#040B19
Deuteranopia (green-blind)
#020818
Tritanopia (blue-blind)
#000D0F
Achromatopsia (no color)
#090909
Design tokens & code
CSS
--color: #000a18; /* rgb */ color: rgb(0, 10, 24); /* oklch */ color: oklch(14.1% 0.038 247.7);
Tailwind
colors: {
custom: {
50: '#464b54',
500: '#000a18',
950: '#000000',
},
}SCSS
$custom: #000a18; $custom-light: #464b54; $custom-dark: #000000;
JSON
{
"hex": "#000a18",
"rgb": {
"r": 0,
"g": 10,
"b": 24
},
"hsl": {
"h": 215,
"s": 100,
"l": 4.706
},
"oklch": {
"l": 0.14123,
"c": 0.03778,
"h": 247.7
},
"luminance": 0.00283
}Semantic roles & 50–950 ramp
primary
#000A18
secondary
#624111
accent
#A629FF
background
#F3F4F4
surface
#E5E7E7
border
#C1C3C3
text
#000102
muted
#777778