#180D1D
Closest named color: Rich Navy (#001219). oklch(18.3% 0.036 314.7), rgb(24, 13, 29).
Aa
White text reads best on this color (18.84:1).
About this color
#180D1D is a very dark, muted purple. In OKLCH its lightness is 18%, its chroma 0.036 and its hue 315°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rich Navy (#001219), ΔE 0.050 away. White text reads best on it, at 18.84:1.
| Hue family | Purples |
| Lightness | very dark (18%) |
| Chroma | muted (0.036) |
| Temperature | in between |
| Nearest name | Rich Navy (#001219) |
| Black text | 1.11:1 |
| White text | 18.84:1 |
Values
| HEX | #180D1D |
| RGB | rgb(24, 13, 29) |
| HSL | hsl(281, 38%, 8%) |
| OKLCH | oklch(18.3% 0.036 314.7) |
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 #180D1D | 18.84:1 | AAA | Lc -107.3 | Preferred for body text |
| Black text on #180D1D | 1.11:1 | Fails | Lc 0.0 | Not readable |
| #180D1D text on white | 18.84:1 | AAA | Lc 105.3 | Preferred for body text |
| #180D1D text on black | 1.11:1 | 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
#F7F4F8
oklch(97.1% 0.006 317.8)
-
Step 100
100
#EDE8F0
oklch(93.7% 0.012 313.2)
-
Step 200
200
#DFD5E4
oklch(88.5% 0.023 314.7)
-
Step 300
300
#CBB9D4
oklch(80.9% 0.042 314.6)
-
Step 400
400
#B194BE
oklch(70.7% 0.068 315.3)
-
Step 500
500
#9D7AAE
oklch(63.2% 0.086 314.4)
-
Step 600
600
#886299
oklch(55.6% 0.093 315)
-
Step 700
700
#735183
oklch(49.1% 0.087 314.5)
-
Step 800
800
#5E426A
oklch(42.6% 0.073 315.4)
-
Step 900
900
#4D3856
oklch(37.6% 0.057 315.5)
-
Step 950
950 (this color)
#180D1D
oklch(18.3% 0.036 314.7)
#180D1D 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) | #0A111E | 0.030 |
| Deuteranopia (no green cones) | #0D121D | 0.027 |
| Tritanopia (no blue cones) | #180F13 | 0.024 |
| Achromatopsia (no color) | #111111 | 0.036 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #180D1D
#180D1D
oklch(18.3% 0.036 314.7)
- #0B1605
#0B1605
oklch(18.4% 0.037 134.7)
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 #180D1D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Navy #001219 ΔE 0.050
- Rich Black #0D1B2A ΔE 0.051
- Almost Black #070D0D ΔE 0.051
- Very Dark Brown #1D0200 ΔE 0.067
- Very Dark Purple #2A0134 ΔE 0.069
- Midnight Purple #280137 ΔE 0.070
- Midnight #03012D ΔE 0.078
- Dark Navy #000435 ΔE 0.081
Use #180D1D 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.