#13201F
Closest named color: Rich Black (#0D1B2A). oklch(23.1% 0.018 189.9), rgb(19, 32, 31).
Aa
White text reads best on this color (16.74:1).
About this color
#13201F is a very dark close to neutral grey. In OKLCH its lightness is 23%, its chroma 0.018. It has too little chroma to lean warm or cool. The nearest named color is Rich Black (#0D1B2A), ΔE 0.034 away. White text reads best on it, at 16.74:1.
| Hue family | Neutrals |
| Lightness | very dark (23%) |
| Chroma | close to neutral grey (0.018) |
| Temperature | neutral |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.25:1 |
| White text | 16.74:1 |
Values
| HEX | #13201F |
| RGB | rgb(19, 32, 31) |
| HSL | hsl(175, 25%, 10%) |
| OKLCH | oklch(23.1% 0.018 189.9) |
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 #13201F | 16.74:1 | AAA | Lc -106.1 | Preferred for body text |
| Black text on #13201F | 1.25:1 | Fails | Lc 0.0 | Not readable |
| #13201F text on white | 16.74:1 | AAA | Lc 103.7 | Preferred for body text |
| #13201F text on black | 1.25:1 | 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
#F3F6F6
oklch(97.1% 0.003 197.1)
-
Step 100
100
#E5EBEB
oklch(93.6% 0.006 197)
-
Step 200
200
#D1DCDB
oklch(88.6% 0.012 190.4)
-
Step 300
300
#B2C5C3
oklch(80.8% 0.021 189.1)
-
Step 400
400
#89A8A5
oklch(70.7% 0.034 189.2)
-
Step 500
500
#6B928F
oklch(63% 0.043 190.2)
-
Step 600
600
#517D79
oklch(55.6% 0.049 188.6)
-
Step 700
700
#426966
oklch(49.1% 0.044 189.7)
-
Step 800
800
#375653
oklch(42.8% 0.037 188.2)
-
Step 900
900
#304745
oklch(37.8% 0.029 189.2)
-
Step 950
950 (this color)
#13201F
oklch(23.1% 0.018 189.9)
#13201F 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) | #1F1F1F | 0.020 |
| Deuteranopia (no green cones) | #1C1D1F | 0.018 |
| Tritanopia (no blue cones) | #0F2120 | 0.006 |
| Achromatopsia (no color) | #1E1E1E | 0.019 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #13201F
#13201F
oklch(23.1% 0.018 189.9)
- #251A1B
#251A1B
oklch(23.2% 0.018 12.4)
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 #13201F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.034
- Jet #212529 ΔE 0.035
- Dark #1B2431 ΔE 0.038
- Oxford Blue #1B263B ΔE 0.056
- Rich Navy #001219 ΔE 0.065
- Dark Brown #341C02 ΔE 0.070
- Dark Forest Green #002D04 ΔE 0.076
- Very Dark Green #062E03 ΔE 0.079
Use #13201F 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.