#1D161D
Closest named color: Rich Black (#0D1B2A). oklch(21.2% 0.017 326.2), rgb(29, 22, 29).
Aa
White text reads best on this color (17.72:1).
About this color
#1D161D is a very dark close to neutral grey. In OKLCH its lightness is 21%, its chroma 0.017. It has too little chroma to lean warm or cool. The nearest named color is Rich Black (#0D1B2A), ΔE 0.036 away. White text reads best on it, at 17.72:1.
| Hue family | Neutrals |
| Lightness | very dark (21%) |
| Chroma | close to neutral grey (0.017) |
| Temperature | neutral |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.18:1 |
| White text | 17.72:1 |
Values
| HEX | #1D161D |
| RGB | rgb(29, 22, 29) |
| HSL | hsl(300, 14%, 10%) |
| OKLCH | oklch(21.2% 0.017 326.2) |
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 #1D161D | 17.72:1 | AAA | Lc -106.7 | Preferred for body text |
| Black text on #1D161D | 1.18:1 | Fails | Lc 0.0 | Not readable |
| #1D161D text on white | 17.72:1 | AAA | Lc 104.5 | Preferred for body text |
| #1D161D 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
#F6F5F6
oklch(97.1% 0.002 325.6)
-
Step 100
100
#ECE8EC
oklch(93.5% 0.007 325.6)
-
Step 200
200
#DDD7DD
oklch(88.6% 0.01 325.7)
-
Step 300
300
#C8BCC8
oklch(80.9% 0.021 325.8)
-
Step 400
400
#AC9AAC
oklch(70.8% 0.033 325.9)
-
Step 500
500
#978197
oklch(63.1% 0.041 326.1)
-
Step 600
600
#826A82
oklch(55.6% 0.047 326.2)
-
Step 700
700
#6E596E
oklch(49.2% 0.042 326.2)
-
Step 800
800
#594859
oklch(42.5% 0.035 326.2)
-
Step 900
900
#493D49
oklch(37.7% 0.026 326.1)
-
Step 950
950 (this color)
#1D161D
oklch(21.2% 0.017 326.2)
#1D161D 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) | #16181D | 0.015 |
| Deuteranopia (no green cones) | #17181D | 0.013 |
| Tritanopia (no blue cones) | #1D1718 | 0.012 |
| Achromatopsia (no color) | #181818 | 0.018 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1D161D
#1D161D
oklch(21.2% 0.017 326.2)
- #141B14
#141B14
oklch(21.2% 0.017 144.9)
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 #1D161D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.036
- Dark #1B2431 ΔE 0.053
- Jet #212529 ΔE 0.053
- Rich Navy #001219 ΔE 0.058
- Almost Black #070D0D ΔE 0.064
- Oxford Blue #1B263B ΔE 0.069
- Dark Brown #341C02 ΔE 0.072
- Very Dark Brown #1D0200 ΔE 0.079
Use #1D161D 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.