#1D0509
Closest named color: Very Dark Brown (#1D0200). oklch(16.3% 0.044 11.3), rgb(29, 5, 9).
Aa
White text reads best on this color (19.48:1).
About this color
#1D0509 is a very dark, muted red. In OKLCH its lightness is 16%, its chroma 0.044 and its hue 11°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.025 away. White text reads best on it, at 19.48:1.
| Hue family | Reds |
| Lightness | very dark (16%) |
| Chroma | muted (0.044) |
| Temperature | warm |
| Nearest name | Very Dark Brown (#1D0200) |
| Black text | 1.07:1 |
| White text | 19.48:1 |
Values
| HEX | #1D0509 |
| RGB | rgb(29, 5, 9) |
| HSL | hsl(350, 71%, 7%) |
| OKLCH | oklch(16.3% 0.044 11.3) |
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 #1D0509 | 19.48:1 | AAA | Lc -107.5 | Preferred for body text |
| Black text on #1D0509 | 1.07:1 | Fails | Lc 0.0 | Not readable |
| #1D0509 text on white | 19.48:1 | AAA | Lc 105.5 | Preferred for body text |
| #1D0509 text on black | 1.07:1 | 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
#FAF4F4
oklch(97.2% 0.006 17.3)
-
Step 100
100
#F4E6E7
oklch(93.6% 0.015 12.4)
-
Step 200
200
#ECD2D4
oklch(88.6% 0.029 12.4)
-
Step 300
300
#E0B3B8
oklch(80.8% 0.053 10.8)
-
Step 400
400
#CF8B93
oklch(70.7% 0.084 11.7)
-
Step 500
500
#C16D79
oklch(63.2% 0.107 11.5)
-
Step 600
600
#AC5362
oklch(55.6% 0.117 11.1)
-
Step 700
700
#934451
oklch(49.2% 0.107 11.6)
-
Step 800
800
#783842
oklch(42.8% 0.09 11.9)
-
Step 900
900
#613138
oklch(37.8% 0.07 11.7)
-
Step 950
950 (this color)
#1D0509
oklch(16.3% 0.044 11.3)
#1D0509 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) | #0A0909 | 0.048 |
| Deuteranopia (no green cones) | #100F08 | 0.046 |
| Tritanopia (no blue cones) | #200306 | 0.010 |
| Achromatopsia (no color) | #0D0D0D | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1D0509
#1D0509
oklch(16.3% 0.044 11.3)
- #001211
#001211
oklch(16.4% 0.028 190.5)
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 #1D0509, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Brown #1D0200 ΔE 0.025
- Almost Black #070D0D ΔE 0.055
- Rich Navy #001219 ΔE 0.073
- Dark Maroon #3C0008 ΔE 0.078
- Rich Black #0D1B2A ΔE 0.088
- Very Dark Purple #2A0134 ΔE 0.093
- Deep Brown #410200 ΔE 0.093
- Midnight Purple #280137 ΔE 0.097
Use #1D0509 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.