#180606
Closest named color: Very Dark Brown (#1D0200). oklch(15.4% 0.034 21.8), rgb(24, 6, 6).
Aa
White text reads best on this color (19.67:1).
About this color
#180606 is a very dark, muted red. In OKLCH its lightness is 15%, its chroma 0.034 and its hue 22°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.022 away. White text reads best on it, at 19.67:1.
| Hue family | Reds |
| Lightness | very dark (15%) |
| Chroma | muted (0.034) |
| Temperature | warm |
| Nearest name | Very Dark Brown (#1D0200) |
| Black text | 1.06:1 |
| White text | 19.67:1 |
Values
| HEX | #180606 |
| RGB | rgb(24, 6, 6) |
| HSL | hsl(0, 60%, 6%) |
| OKLCH | oklch(15.4% 0.034 21.8) |
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 #180606 | 19.67:1 | AAA | Lc -107.6 | Preferred for body text |
| Black text on #180606 | 1.06:1 | Fails | Lc 0.0 | Not readable |
| #180606 text on white | 19.67:1 | AAA | Lc 105.7 | Preferred for body text |
| #180606 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
#F9F4F4
oklch(97.1% 0.005 17.2)
-
Step 100
100
#F2E7E6
oklch(93.6% 0.012 23.7)
-
Step 200
200
#E8D4D3
oklch(88.6% 0.022 21)
-
Step 300
300
#D9B7B5
oklch(80.8% 0.039 22)
-
Step 400
400
#C5918F
oklch(70.6% 0.063 21.3)
-
Step 500
500
#B67673
oklch(63.2% 0.081 22.6)
-
Step 600
600
#A15D5C
oklch(55.5% 0.089 21.2)
-
Step 700
700
#894D4B
oklch(49.1% 0.081 22.5)
-
Step 800
800
#703F3E
oklch(42.7% 0.069 21.6)
-
Step 900
900
#5B3635
oklch(37.8% 0.053 21.6)
-
Step 950
950 (this color)
#180606
oklch(15.4% 0.034 21.8)
#180606 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) | #0A0906 | 0.035 |
| Deuteranopia (no green cones) | #0E0D06 | 0.035 |
| Tritanopia (no blue cones) | #1B0406 | 0.010 |
| Achromatopsia (no color) | #0B0B0B | 0.034 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #180606
#180606
oklch(15.4% 0.034 21.8)
- #000F11
#000F11
oklch(15.4% 0.026 204.2)
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 #180606, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Brown #1D0200 ΔE 0.022
- Almost Black #070D0D ΔE 0.044
- Rich Navy #001219 ΔE 0.066
- Rich Black #0D1B2A ΔE 0.089
- Dark Maroon #3C0008 ΔE 0.091
- Deep Brown #410200 ΔE 0.104
- Very Dark Purple #2A0134 ΔE 0.105
- Midnight #03012D ΔE 0.106
Use #180606 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.