#0D131D
Closest named color: Rich Navy (#001219). oklch(18.6% 0.023 260.4), rgb(13, 19, 29).
Aa
White text reads best on this color (18.61:1).
About this color
#0D131D is a very dark close to neutral grey. In OKLCH its lightness is 19%, its chroma 0.023. It has too little chroma to lean warm or cool. The nearest named color is Rich Navy (#001219), ΔE 0.026 away. White text reads best on it, at 18.61:1.
| Hue family | Neutrals |
| Lightness | very dark (19%) |
| Chroma | close to neutral grey (0.023) |
| Temperature | neutral |
| Nearest name | Rich Navy (#001219) |
| Black text | 1.12:1 |
| White text | 18.61:1 |
Values
| HEX | #0D131D |
| RGB | rgb(13, 19, 29) |
| HSL | hsl(218, 38%, 8%) |
| OKLCH | oklch(18.6% 0.023 260.4) |
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 #0D131D | 18.61:1 | AAA | Lc -107.2 | Preferred for body text |
| Black text on #0D131D | 1.12:1 | Fails | Lc 0.0 | Not readable |
| #0D131D text on white | 18.61:1 | AAA | Lc 105.2 | Preferred for body text |
| #0D131D 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
#E7EAEF
oklch(93.6% 0.007 260.7)
-
Step 200
200
#D4D9E3
oklch(88.4% 0.015 264.5)
-
Step 300
300
#B7C1D2
oklch(80.8% 0.026 261.1)
-
Step 400
400
#91A1BC
oklch(70.6% 0.044 260.9)
-
Step 500
500
#778AAB
oklch(63.1% 0.055 261.4)
-
Step 600
600
#5F7497
oklch(55.6% 0.06 260.5)
-
Step 700
700
#4F6180
oklch(49% 0.055 261.1)
-
Step 800
800
#404F68
oklch(42.5% 0.046 260.5)
-
Step 900
900
#374255
oklch(37.7% 0.036 261.2)
-
Step 950
950 (this color)
#0D131D
oklch(18.6% 0.023 260.4)
#0D131D 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) | #0F141D | 0.005 |
| Deuteranopia (no green cones) | #0E121D | 0.004 |
| Tritanopia (no blue cones) | #081516 | 0.021 |
| Achromatopsia (no color) | #131313 | 0.023 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0D131D
#0D131D
oklch(18.6% 0.023 260.4)
- #181207
#181207
oklch(18.6% 0.023 82.4)
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 #0D131D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Navy #001219 ΔE 0.026
- Rich Black #0D1B2A ΔE 0.035
- Almost Black #070D0D ΔE 0.039
- Dark #1B2431 ΔE 0.072
- Jet #212529 ΔE 0.077
- Dark Navy #000435 ΔE 0.077
- Midnight #03012D ΔE 0.079
- Very Dark Brown #1D0200 ΔE 0.079
Use #0D131D 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.