#180D2D
Closest named color: Midnight Purple (#280137). oklch(19.5% 0.062 296), rgb(24, 13, 45).
Aa
White text reads best on this color (18.51:1).
About this color
#180D2D is a very dark, muted purple. In OKLCH its lightness is 20%, its chroma 0.062 and its hue 296°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Midnight Purple (#280137), ΔE 0.048 away. White text reads best on it, at 18.51:1.
| Hue family | Purples |
| Lightness | very dark (20%) |
| Chroma | muted (0.062) |
| Temperature | in between |
| Nearest name | Midnight Purple (#280137) |
| Black text | 1.13:1 |
| White text | 18.51:1 |
Values
| HEX | #180D2D |
| RGB | rgb(24, 13, 45) |
| HSL | hsl(261, 55%, 11%) |
| OKLCH | oklch(19.5% 0.062 296) |
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 #180D2D | 18.51:1 | AAA | Lc -107.1 | Preferred for body text |
| Black text on #180D2D | 1.13:1 | Fails | Lc 0.0 | Not readable |
| #180D2D text on white | 18.51:1 | AAA | Lc 105.0 | Preferred for body text |
| #180D2D text on black | 1.13:1 | 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
#F6F4FB
oklch(97.1% 0.009 299.2)
-
Step 100
100
#EBE7F7
oklch(93.6% 0.022 297.4)
-
Step 200
200
#DBD4F2
oklch(88.5% 0.041 296.2)
-
Step 300
300
#C4B8EB
oklch(81% 0.072 295.5)
-
Step 400
400
#A791E1
oklch(70.7% 0.117 295.9)
-
Step 500
500
#9373D9
oklch(63.1% 0.151 296.3)
-
Step 600
600
#7E5AC6
oklch(55.7% 0.162 296.1)
-
Step 700
700
#6A49AB
oklch(49.1% 0.151 295.9)
-
Step 800
800
#563C8B
oklch(42.6% 0.126 295.7)
-
Step 900
900
#47346F
oklch(37.6% 0.099 296.2)
-
Step 950
950 (this color)
#180D2D
oklch(19.5% 0.062 296)
#180D2D 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) | #01142E | 0.043 |
| Deuteranopia (no green cones) | #03132C | 0.040 |
| Tritanopia (no blue cones) | #13141B | 0.048 |
| Achromatopsia (no color) | #131313 | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #180D2D
#180D2D
oklch(19.5% 0.062 296)
- #141700
#141700
oklch(19.5% 0.044 115.9)
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 #180D2D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Purple #280137 ΔE 0.048
- Rich Black #0D1B2A ΔE 0.050
- Very Dark Purple #2A0134 ΔE 0.050
- Navy Blue #001146 ΔE 0.063
- Dark Navy #000435 ΔE 0.065
- Rich Navy #001219 ΔE 0.066
- Midnight #03012D ΔE 0.067
- Night Blue #040348 ΔE 0.072
Use #180D2D 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.