#131811
Closest named color: Rich Navy (#001219). oklch(20.1% 0.016 136.8), rgb(19, 24, 17).
Aa
White text reads best on this color (18.00:1).
About this color
#131811 is a very dark close to neutral grey. In OKLCH its lightness is 20%, its chroma 0.016. It has too little chroma to lean warm or cool. The nearest named color is Rich Navy (#001219), ΔE 0.047 away. White text reads best on it, at 18.00:1.
| Hue family | Neutrals |
| Lightness | very dark (20%) |
| Chroma | close to neutral grey (0.016) |
| Temperature | neutral |
| Nearest name | Rich Navy (#001219) |
| Black text | 1.16:1 |
| White text | 18.00:1 |
Values
| HEX | #131811 |
| RGB | rgb(19, 24, 17) |
| HSL | hsl(103, 17%, 8%) |
| OKLCH | oklch(20.1% 0.016 136.8) |
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 #131811 | 18.00:1 | AAA | Lc -106.9 | Preferred for body text |
| Black text on #131811 | 1.16:1 | Fails | Lc 0.0 | Not readable |
| #131811 text on white | 18.00:1 | AAA | Lc 104.7 | Preferred for body text |
| #131811 text on black | 1.16:1 | 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
#F5F6F4
oklch(97.2% 0.003 128.5)
-
Step 100
100
#E8EBE7
oklch(93.7% 0.006 137.8)
-
Step 200
200
#D6DBD4
oklch(88.6% 0.011 136.6)
-
Step 300
300
#BBC4B8
oklch(81% 0.019 137.8)
-
Step 400
400
#98A593
oklch(70.6% 0.03 136.9)
-
Step 500
500
#7F8F79
oklch(63.1% 0.037 137.1)
-
Step 600
600
#687961
oklch(55.5% 0.042 136.6)
-
Step 700
700
#576651
oklch(49.1% 0.038 136.8)
-
Step 800
800
#475342
oklch(42.6% 0.031 136.5)
-
Step 900
900
#3C4538
oklch(37.8% 0.025 136)
-
Step 950
950 (this color)
#131811
oklch(20.1% 0.016 136.8)
#131811 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) | #191711 | 0.012 |
| Deuteranopia (no green cones) | #181611 | 0.012 |
| Tritanopia (no blue cones) | #131716 | 0.012 |
| Achromatopsia (no color) | #171717 | 0.016 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #131811
#131811
oklch(20.1% 0.016 136.8)
- #19141B
#19141B
oklch(20% 0.016 316.3)
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 #131811, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Navy #001219 ΔE 0.047
- Rich Black #0D1B2A ΔE 0.047
- Almost Black #070D0D ΔE 0.051
- Jet #212529 ΔE 0.064
- Dark #1B2431 ΔE 0.068
- Dark Brown #341C02 ΔE 0.074
- Very Dark Brown #1D0200 ΔE 0.078
- Oxford Blue #1B263B ΔE 0.086
Use #131811 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.