#180409
Closest named color: Very Dark Brown (#1D0200). oklch(14.9% 0.04 4.3), rgb(24, 4, 9).
Aa
White text reads best on this color (19.80:1).
About this color
#180409 is a very dark, muted red. In OKLCH its lightness is 15%, its chroma 0.040 and its hue 4°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.028 away. White text reads best on it, at 19.80:1.
| Hue family | Reds |
| Lightness | very dark (15%) |
| Chroma | muted (0.040) |
| Temperature | warm |
| Nearest name | Very Dark Brown (#1D0200) |
| Black text | 1.06:1 |
| White text | 19.80:1 |
Values
| HEX | #180409 |
| RGB | rgb(24, 4, 9) |
| HSL | hsl(345, 71%, 5%) |
| OKLCH | oklch(14.9% 0.04 4.3) |
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 #180409 | 19.80:1 | AAA | Lc -107.6 | Preferred for body text |
| Black text on #180409 | 1.06:1 | Fails | Lc 0.0 | Not readable |
| #180409 text on white | 19.80:1 | AAA | Lc 105.7 | Preferred for body text |
| #180409 text on black | 1.06:1 | 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
#F9F4F5
oklch(97.1% 0.006 3.3)
-
Step 100
100
#F2E6E9
oklch(93.5% 0.014 0.3)
-
Step 200
200
#E9D2D7
oklch(88.4% 0.026 2.8)
-
Step 300
300
#DCB5BD
oklch(81% 0.046 4.4)
-
Step 400
400
#C98D9B
oklch(70.6% 0.075 3.8)
-
Step 500
500
#BA7082
oklch(63.1% 0.096 4.5)
-
Step 600
600
#A5576C
oklch(55.5% 0.105 3.9)
-
Step 700
700
#8D475A
oklch(49% 0.097 4)
-
Step 800
800
#733B4A
oklch(42.8% 0.08 4)
-
Step 900
900
#5D333D
oklch(37.7% 0.062 5.1)
-
Step 950
950 (this color)
#180409
oklch(14.9% 0.04 4.3)
#180409 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) | #070709 | 0.044 |
| Deuteranopia (no green cones) | #0C0B09 | 0.039 |
| Tritanopia (no blue cones) | #1B0306 | 0.010 |
| Achromatopsia (no color) | #0A0A0A | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #180409
#180409
oklch(14.9% 0.04 4.3)
- #000F0C
#000F0C
oklch(15.1% 0.027 181.1)
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 #180409, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Brown #1D0200 ΔE 0.028
- Almost Black #070D0D ΔE 0.050
- Rich Navy #001219 ΔE 0.070
- Rich Black #0D1B2A ΔE 0.093
- Dark Maroon #3C0008 ΔE 0.093
- Very Dark Purple #2A0134 ΔE 0.098
- Midnight #03012D ΔE 0.099
- Midnight Purple #280137 ΔE 0.101
Use #180409 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.