#1D1319
Closest named color: Rich Black (#0D1B2A). oklch(20.2% 0.02 342.3), rgb(29, 19, 25).
Aa
White text reads best on this color (18.11:1).
About this color
#1D1319 is a very dark close to neutral grey. In OKLCH its lightness is 20%, its chroma 0.020. It has too little chroma to lean warm or cool. The nearest named color is Rich Black (#0D1B2A), ΔE 0.044 away. White text reads best on it, at 18.11:1.
| Hue family | Neutrals |
| Lightness | very dark (20%) |
| Chroma | close to neutral grey (0.020) |
| Temperature | neutral |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.15:1 |
| White text | 18.11:1 |
Values
| HEX | #1D1319 |
| RGB | rgb(29, 19, 25) |
| HSL | hsl(324, 21%, 9%) |
| OKLCH | oklch(20.2% 0.02 342.3) |
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 #1D1319 | 18.11:1 | AAA | Lc -107.0 | Preferred for body text |
| Black text on #1D1319 | 1.15:1 | Fails | Lc 0.0 | Not readable |
| #1D1319 text on white | 18.11:1 | AAA | Lc 104.8 | Preferred for body text |
| #1D1319 text on black | 1.15:1 | 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
#F7F5F6
oklch(97.2% 0.002 345.2)
-
Step 100
100
#EDE8EB
oklch(93.6% 0.007 340.4)
-
Step 200
200
#E0D6DB
oklch(88.6% 0.013 345.5)
-
Step 300
300
#CCBBC5
oklch(80.9% 0.024 341.4)
-
Step 400
400
#B298A7
oklch(70.7% 0.037 342.5)
-
Step 500
500
#9F7E91
oklch(63% 0.048 343.1)
-
Step 600
600
#89677C
oklch(55.5% 0.053 341.4)
-
Step 700
700
#745668
oklch(49% 0.048 342.3)
-
Step 800
800
#5F4655
oklch(42.6% 0.041 342.3)
-
Step 900
900
#4E3B46
oklch(37.7% 0.032 343.1)
-
Step 950
950 (this color)
#1D1319
oklch(20.2% 0.02 342.3)
#1D1319 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) | #131519 | 0.021 |
| Deuteranopia (no green cones) | #161619 | 0.017 |
| Tritanopia (no blue cones) | #1E1315 | 0.008 |
| Achromatopsia (no color) | #161616 | 0.020 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1D1319
#1D1319
oklch(20.2% 0.02 342.3)
- #0E1914
#0E1914
oklch(20.1% 0.019 164.6)
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 #1D1319, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.044
- Rich Navy #001219 ΔE 0.056
- Almost Black #070D0D ΔE 0.058
- Jet #212529 ΔE 0.064
- Dark #1B2431 ΔE 0.064
- Very Dark Brown #1D0200 ΔE 0.068
- Dark Brown #341C02 ΔE 0.075
- Dark Maroon #3C0008 ΔE 0.079
Use #1D1319 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.