#180C1E
Closest named color: Rich Navy (#001219). oklch(18.1% 0.04 313.7), rgb(24, 12, 30).
Aa
White text reads best on this color (18.91:1).
About this color
#180C1E is a very dark, muted purple. In OKLCH its lightness is 18%, its chroma 0.040 and its hue 314°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rich Navy (#001219), ΔE 0.052 away. White text reads best on it, at 18.91:1.
| Hue family | Purples |
| Lightness | very dark (18%) |
| Chroma | muted (0.040) |
| Temperature | in between |
| Nearest name | Rich Navy (#001219) |
| Black text | 1.11:1 |
| White text | 18.91:1 |
Values
| HEX | #180C1E |
| RGB | rgb(24, 12, 30) |
| HSL | hsl(280, 43%, 8%) |
| OKLCH | oklch(18.1% 0.04 313.7) |
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 #180C1E | 18.91:1 | AAA | Lc -107.3 | Preferred for body text |
| Black text on #180C1E | 1.11:1 | Fails | Lc 0.0 | Not readable |
| #180C1E text on white | 18.91:1 | AAA | Lc 105.3 | Preferred for body text |
| #180C1E 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
#EDE7F0
oklch(93.5% 0.014 314.8)
-
Step 200
200
#DFD4E6
oklch(88.4% 0.027 312.6)
-
Step 300
300
#CCB8D6
oklch(80.9% 0.047 314.5)
-
Step 400
400
#B293C2
oklch(70.7% 0.075 314)
-
Step 500
500
#9E78B2
oklch(63.1% 0.095 313.6)
-
Step 600
600
#89609E
oklch(55.6% 0.104 313.6)
-
Step 700
700
#744F87
oklch(49.1% 0.096 313.5)
-
Step 800
800
#5F416E
oklch(42.8% 0.081 313.9)
-
Step 900
900
#4D3759
oklch(37.6% 0.063 313.1)
-
Step 950
950 (this color)
#180C1E
oklch(18.1% 0.04 313.7)
#180C1E 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) | #09101F | 0.032 |
| Deuteranopia (no green cones) | #0C111D | 0.029 |
| Tritanopia (no blue cones) | #180F13 | 0.028 |
| Achromatopsia (no color) | #111111 | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #180C1E
#180C1E
oklch(18.1% 0.04 313.7)
- #0A1504
#0A1504
oklch(17.9% 0.038 134.3)
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 #180C1E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Navy #001219 ΔE 0.052
- Almost Black #070D0D ΔE 0.053
- Rich Black #0D1B2A ΔE 0.054
- Very Dark Purple #2A0134 ΔE 0.066
- Midnight Purple #280137 ΔE 0.067
- Very Dark Brown #1D0200 ΔE 0.068
- Midnight #03012D ΔE 0.076
- Dark Navy #000435 ΔE 0.079
Use #180C1E 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.