#180B1D
Closest named color: Almost Black (#070D0D). oklch(17.8% 0.04 316.1), rgb(24, 11, 29).
Aa
White text reads best on this color (19.01:1).
About this color
#180B1D is a very dark, muted purple. In OKLCH its lightness is 18%, its chroma 0.040 and its hue 316°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Almost Black (#070D0D), ΔE 0.053 away. White text reads best on it, at 19.01:1.
| Hue family | Purples |
| Lightness | very dark (18%) |
| Chroma | muted (0.040) |
| Temperature | in between |
| Nearest name | Almost Black (#070D0D) |
| Black text | 1.10:1 |
| White text | 19.01:1 |
Values
| HEX | #180B1D |
| RGB | rgb(24, 11, 29) |
| HSL | hsl(283, 45%, 8%) |
| OKLCH | oklch(17.8% 0.04 316.1) |
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 #180B1D | 19.01:1 | AAA | Lc -107.4 | Preferred for body text |
| Black text on #180B1D | 1.10:1 | Fails | Lc 0.0 | Not readable |
| #180B1D text on white | 19.01:1 | AAA | Lc 105.4 | Preferred for body text |
| #180B1D text on black | 1.10:1 | 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
#EEE7F0
oklch(93.6% 0.014 318.7)
-
Step 200
200
#E0D4E5
oklch(88.5% 0.026 316.1)
-
Step 300
300
#CDB8D6
oklch(81% 0.047 315.8)
-
Step 400
400
#B492C1
oklch(70.7% 0.077 316.5)
-
Step 500
500
#A177B1
oklch(63.2% 0.097 316.4)
-
Step 600
600
#8B5F9D
oklch(55.6% 0.105 315.7)
-
Step 700
700
#764E86
oklch(49.1% 0.098 315.9)
-
Step 800
800
#60406D
oklch(42.6% 0.082 315.8)
-
Step 900
900
#4F3758
oklch(37.8% 0.063 316.5)
-
Step 950
950 (this color)
#180B1D
oklch(17.8% 0.04 316.1)
#180B1D 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) | #080F1E | 0.034 |
| Deuteranopia (no green cones) | #0B111C | 0.033 |
| Tritanopia (no blue cones) | #180E12 | 0.028 |
| Achromatopsia (no color) | #101010 | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #180B1D
#180B1D
oklch(17.8% 0.04 316.1)
- #081504
#081504
oklch(17.8% 0.04 137.5)
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 #180B1D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Almost Black #070D0D ΔE 0.053
- Rich Navy #001219 ΔE 0.053
- Rich Black #0D1B2A ΔE 0.057
- Very Dark Brown #1D0200 ΔE 0.066
- Very Dark Purple #2A0134 ΔE 0.067
- Midnight Purple #280137 ΔE 0.068
- Midnight #03012D ΔE 0.075
- Dark Navy #000435 ΔE 0.080
Use #180B1D 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.