#180718
Closest named color: Almost Black (#070D0D). oklch(16.6% 0.043 327.3), rgb(24, 7, 24).
Aa
White text reads best on this color (19.40:1).
About this color
#180718 is a very dark, muted purple. In OKLCH its lightness is 17%, its chroma 0.043 and its hue 327°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Almost Black (#070D0D), ΔE 0.052 away. White text reads best on it, at 19.40:1.
| Hue family | Purples |
| Lightness | very dark (17%) |
| Chroma | muted (0.043) |
| Temperature | in between |
| Nearest name | Almost Black (#070D0D) |
| Black text | 1.08:1 |
| White text | 19.40:1 |
Values
| HEX | #180718 |
| RGB | rgb(24, 7, 24) |
| HSL | hsl(300, 55%, 6%) |
| OKLCH | oklch(16.6% 0.043 327.3) |
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 #180718 | 19.40:1 | AAA | Lc -107.5 | Preferred for body text |
| Black text on #180718 | 1.08:1 | Fails | Lc 0.0 | Not readable |
| #180718 text on white | 19.40:1 | AAA | Lc 105.5 | Preferred for body text |
| #180718 text on black | 1.08:1 | 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
#F8F4F8
oklch(97.1% 0.007 325.6)
-
Step 100
100
#F0E7EF
oklch(93.7% 0.014 329.1)
-
Step 200
200
#E4D3E3
oklch(88.5% 0.028 327.6)
-
Step 300
300
#D3B5D2
oklch(80.8% 0.052 327.1)
-
Step 400
400
#BD8FBB
oklch(70.8% 0.082 327.8)
-
Step 500
500
#AB72AA
oklch(63.1% 0.105 327.3)
-
Step 600
600
#965A96
oklch(55.7% 0.114 327)
-
Step 700
700
#804980
oklch(49.1% 0.107 327.1)
-
Step 800
800
#683C68
oklch(42.6% 0.089 327)
-
Step 900
900
#553454
oklch(37.7% 0.068 327.9)
-
Step 950
950 (this color)
#180718
oklch(16.6% 0.043 327.3)
#180718 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) | #060C19 | 0.042 |
| Deuteranopia (no green cones) | #0A0E17 | 0.038 |
| Tritanopia (no blue cones) | #19090E | 0.025 |
| Achromatopsia (no color) | #0D0D0D | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #180718
#180718
oklch(16.6% 0.043 327.3)
- #021304
#021304
oklch(16.5% 0.042 146.8)
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 #180718, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Almost Black #070D0D ΔE 0.052
- Very Dark Brown #1D0200 ΔE 0.056
- Rich Navy #001219 ΔE 0.060
- Rich Black #0D1B2A ΔE 0.071
- Very Dark Purple #2A0134 ΔE 0.072
- Midnight Purple #280137 ΔE 0.074
- Midnight #03012D ΔE 0.077
- Dark Navy Blue #00022E ΔE 0.083
Use #180718 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.