#0D121D
Closest named color: Rich Navy (#001219). oklch(18.3% 0.024 265.3), rgb(13, 18, 29).
Aa
White text reads best on this color (18.72:1).
About this color
#0D121D is a very dark close to neutral grey. In OKLCH its lightness is 18%, its chroma 0.024. It has too little chroma to lean warm or cool. The nearest named color is Rich Navy (#001219), ΔE 0.025 away. White text reads best on it, at 18.72:1.
| Hue family | Neutrals |
| Lightness | very dark (18%) |
| Chroma | close to neutral grey (0.024) |
| Temperature | neutral |
| Nearest name | Rich Navy (#001219) |
| Black text | 1.12:1 |
| White text | 18.72:1 |
Values
| HEX | #0D121D |
| RGB | rgb(13, 18, 29) |
| HSL | hsl(221, 38%, 8%) |
| OKLCH | oklch(18.3% 0.024 265.3) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #0D121D | 18.72:1 | AAA | Lc -107.3 | Preferred for body text |
| Black text on #0D121D | 1.12:1 | Fails | Lc 0.0 | Not readable |
| #0D121D text on white | 18.72:1 | AAA | Lc 105.2 | Preferred for body text |
| #0D121D text on black | 1.12:1 | Fails | Lc 0.0 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 950.
-
Step 50
50
#F4F5F8
oklch(97% 0.004 271.4)
-
Step 100
100
#E7EAF0
oklch(93.6% 0.009 264.5)
-
Step 200
200
#D4D9E4
oklch(88.5% 0.016 266.3)
-
Step 300
300
#B8C1D4
oklch(81% 0.029 265.4)
-
Step 400
400
#93A1BE
oklch(70.8% 0.045 264.9)
-
Step 500
500
#7889AE
oklch(63% 0.059 265.5)
-
Step 600
600
#617399
oklch(55.6% 0.063 264.8)
-
Step 700
700
#506083
oklch(49% 0.06 265.3)
-
Step 800
800
#424F6A
oklch(42.8% 0.048 264.5)
-
Step 900
900
#384156
oklch(37.6% 0.038 266.6)
-
Step 950
950 (this color)
#0D121D
oklch(18.3% 0.024 265.3)
#0D121D with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #0E131D | 0.004 |
| Deuteranopia (no green cones) | #0D111D | 0.004 |
| Tritanopia (no blue cones) | #081416 | 0.021 |
| Achromatopsia (no color) | #121212 | 0.024 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0D121D
#0D121D
oklch(18.3% 0.024 265.3)
- #171106
#171106
oklch(18.2% 0.023 82.8)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #0D121D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Navy #001219 ΔE 0.025
- Rich Black #0D1B2A ΔE 0.037
- Almost Black #070D0D ΔE 0.038
- Dark Navy #000435 ΔE 0.075
- Dark #1B2431 ΔE 0.075
- Midnight #03012D ΔE 0.076
- Dark Navy Blue #00022E ΔE 0.077
- Very Dark Brown #1D0200 ΔE 0.078
Use #0D121D in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.