#1D2011
Closest named color: Jet (#212529). oklch(23.6% 0.027 117.8), rgb(29, 32, 17).
Aa
White text reads best on this color (16.57:1).
About this color
#1D2011 is a very dark close to neutral grey. In OKLCH its lightness is 24%, its chroma 0.027. It has too little chroma to lean warm or cool. The nearest named color is Jet (#212529), ΔE 0.043 away. White text reads best on it, at 16.57:1.
| Hue family | Neutrals |
| Lightness | very dark (24%) |
| Chroma | close to neutral grey (0.027) |
| Temperature | neutral |
| Nearest name | Jet (#212529) |
| Black text | 1.26:1 |
| White text | 16.57:1 |
Values
| HEX | #1D2011 |
| RGB | rgb(29, 32, 17) |
| HSL | hsl(72, 31%, 10%) |
| OKLCH | oklch(23.6% 0.027 117.8) |
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 #1D2011 | 16.57:1 | AAA | Lc -106.0 | Preferred for body text |
| Black text on #1D2011 | 1.26:1 | Fails | Lc 0.0 | Not readable |
| #1D2011 text on white | 16.57:1 | AAA | Lc 103.5 | Preferred for body text |
| #1D2011 text on black | 1.26:1 | 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
#F5F6F3
oklch(97.2% 0.004 121.6)
-
Step 100
100
#E9EBE4
oklch(93.7% 0.01 119.6)
-
Step 200
200
#D8DBCE
oklch(88.6% 0.018 117.3)
-
Step 300
300
#BEC4AD
oklch(80.9% 0.032 119)
-
Step 400
400
#9DA581
oklch(70.6% 0.051 117.9)
-
Step 500
500
#868F61
oklch(63.1% 0.066 117.3)
-
Step 600
600
#707948
oklch(55.6% 0.071 117.3)
-
Step 700
700
#5D6639
oklch(49.1% 0.067 118.2)
-
Step 800
800
#4C532F
oklch(42.6% 0.056 117.8)
-
Step 900
900
#3F452A
oklch(37.7% 0.044 118.8)
-
Step 950
950 (this color)
#1D2011
oklch(23.6% 0.027 117.8)
#1D2011 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) | #221E10 | 0.011 |
| Deuteranopia (no green cones) | #221F12 | 0.010 |
| Tritanopia (no blue cones) | #1E1E1C | 0.024 |
| Achromatopsia (no color) | #1F1F1F | 0.028 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1D2011
#1D2011
oklch(23.6% 0.027 117.8)
- #201B2A
#201B2A
oklch(23.5% 0.029 299.4)
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 #1D2011, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.043
- Dark Brown #341C02 ΔE 0.047
- Dark #1B2431 ΔE 0.056
- Rich Black #0D1B2A ΔE 0.061
- Dark Forest Green #002D04 ΔE 0.064
- Very Dark Green #062E03 ΔE 0.065
- Oxford Blue #1B263B ΔE 0.075
- Chocolate Brown #411900 ΔE 0.075
Use #1D2011 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.