#18091D
Closest named color: Almost Black (#070D0D). oklch(17.4% 0.045 317.2), rgb(24, 9, 29).
Aa
White text reads best on this color (19.16:1).
About this color
#18091D is a very dark, muted purple. In OKLCH its lightness is 17%, its chroma 0.045 and its hue 317°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Almost Black (#070D0D), ΔE 0.055 away. White text reads best on it, at 19.16:1.
| Hue family | Purples |
| Lightness | very dark (17%) |
| Chroma | muted (0.045) |
| Temperature | in between |
| Nearest name | Almost Black (#070D0D) |
| Black text | 1.09:1 |
| White text | 19.16:1 |
Values
| HEX | #18091D |
| RGB | rgb(24, 9, 29) |
| HSL | hsl(285, 53%, 7%) |
| OKLCH | oklch(17.4% 0.045 317.2) |
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 #18091D | 19.16:1 | AAA | Lc -107.4 | Preferred for body text |
| Black text on #18091D | 1.09:1 | Fails | Lc 0.0 | Not readable |
| #18091D text on white | 19.16:1 | AAA | Lc 105.4 | Preferred for body text |
| #18091D text on black | 1.09:1 | 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
#F7F4F9
oklch(97.1% 0.007 312.3)
-
Step 100
100
#EEE7F1
oklch(93.6% 0.015 316)
-
Step 200
200
#E1D3E6
oklch(88.4% 0.03 317.2)
-
Step 300
300
#CFB6D8
oklch(80.8% 0.054 317.1)
-
Step 400
400
#B690C4
oklch(70.6% 0.085 316.8)
-
Step 500
500
#A474B5
oklch(63.1% 0.109 317)
-
Step 600
600
#8F5BA1
oklch(55.5% 0.119 317)
-
Step 700
700
#7A4B8A
oklch(49.2% 0.111 317.1)
-
Step 800
800
#633E70
oklch(42.8% 0.091 316.9)
-
Step 900
900
#51355A
oklch(37.7% 0.071 317.7)
-
Step 950
950 (this color)
#18091D
oklch(17.4% 0.045 317.2)
#18091D 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) | #060E1E | 0.039 |
| Deuteranopia (no green cones) | #0A101C | 0.036 |
| Tritanopia (no blue cones) | #180C11 | 0.030 |
| Achromatopsia (no color) | #0F0F0F | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #18091D
#18091D
oklch(17.4% 0.045 317.2)
- #061502
#061502
oklch(17.6% 0.046 137.6)
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 #18091D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Almost Black #070D0D ΔE 0.055
- Rich Navy #001219 ΔE 0.057
- Rich Black #0D1B2A ΔE 0.063
- Very Dark Purple #2A0134 ΔE 0.065
- Very Dark Brown #1D0200 ΔE 0.066
- Midnight Purple #280137 ΔE 0.066
- Midnight #03012D ΔE 0.073
- Dark Navy Blue #00022E ΔE 0.079
Use #18091D 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.