#131A15
Closest named color: Rich Black (#0D1B2A). oklch(20.9% 0.014 153.9), rgb(19, 26, 21).
Aa
White text reads best on this color (17.70:1).
About this color
#131A15 is a very dark close to neutral grey. In OKLCH its lightness is 21%, its chroma 0.014. It has too little chroma to lean warm or cool. The nearest named color is Rich Black (#0D1B2A), ΔE 0.041 away. White text reads best on it, at 17.70:1.
| Hue family | Neutrals |
| Lightness | very dark (21%) |
| Chroma | close to neutral grey (0.014) |
| Temperature | neutral |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.18:1 |
| White text | 17.70:1 |
Values
| HEX | #131A15 |
| RGB | rgb(19, 26, 21) |
| HSL | hsl(137, 16%, 9%) |
| OKLCH | oklch(20.9% 0.014 153.9) |
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 #131A15 | 17.70:1 | AAA | Lc -106.7 | Preferred for body text |
| Black text on #131A15 | 1.18:1 | Fails | Lc 0.0 | Not readable |
| #131A15 text on white | 17.70:1 | AAA | Lc 104.5 | Preferred for body text |
| #131A15 text on black | 1.18:1 | 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
#F4F6F5
oklch(97.1% 0.002 165.1)
-
Step 100
100
#E7EBE8
oklch(93.6% 0.006 153.8)
-
Step 200
200
#D5DBD6
oklch(88.5% 0.009 150.7)
-
Step 300
300
#B9C4BC
oklch(80.9% 0.016 154.4)
-
Step 400
400
#94A699
oklch(70.7% 0.028 154.2)
-
Step 500
500
#7A9080
oklch(63.1% 0.035 153.7)
-
Step 600
600
#637A69
oklch(55.6% 0.037 153.1)
-
Step 700
700
#526758
oklch(49.2% 0.035 153.9)
-
Step 800
800
#435448
oklch(42.7% 0.029 154.3)
-
Step 900
900
#39453C
oklch(37.7% 0.022 152.9)
-
Step 950
950 (this color)
#131A15
oklch(20.9% 0.014 153.9)
#131A15 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) | #1A1915 | 0.013 |
| Deuteranopia (no green cones) | #191815 | 0.013 |
| Tritanopia (no blue cones) | #121A19 | 0.008 |
| Achromatopsia (no color) | #181818 | 0.014 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
This color is close to neutral, so it has no meaningful hue to rotate. Hue harmonies are omitted.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #131A15, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.041
- Rich Navy #001219 ΔE 0.049
- Jet #212529 ΔE 0.056
- Almost Black #070D0D ΔE 0.057
- Dark #1B2431 ΔE 0.060
- Dark Brown #341C02 ΔE 0.072
- Oxford Blue #1B263B ΔE 0.078
- Very Dark Brown #1D0200 ΔE 0.085
Use #131A15 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.