#180B2D
Closest named color: Midnight Purple (#280137). oklch(19.1% 0.065 297.4), rgb(24, 11, 45).
Aa
White text reads best on this color (18.67:1).
About this color
#180B2D is a very dark, muted purple. In OKLCH its lightness is 19%, its chroma 0.065 and its hue 297°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Midnight Purple (#280137), ΔE 0.046 away. White text reads best on it, at 18.67:1.
| Hue family | Purples |
| Lightness | very dark (19%) |
| Chroma | muted (0.065) |
| Temperature | in between |
| Nearest name | Midnight Purple (#280137) |
| Black text | 1.12:1 |
| White text | 18.67:1 |
Values
| HEX | #180B2D |
| RGB | rgb(24, 11, 45) |
| HSL | hsl(263, 61%, 11%) |
| OKLCH | oklch(19.1% 0.065 297.4) |
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 #180B2D | 18.67:1 | AAA | Lc -107.1 | Preferred for body text |
| Black text on #180B2D | 1.12:1 | Fails | Lc 0.0 | Not readable |
| #180B2D text on white | 18.67:1 | AAA | Lc 105.1 | Preferred for body text |
| #180B2D text on black | 1.12:1 | 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
#F6F4FC
oklch(97.1% 0.011 297.6)
-
Step 100
100
#EBE7F7
oklch(93.6% 0.022 297.4)
-
Step 200
200
#DCD4F3
oklch(88.6% 0.043 297.3)
-
Step 300
300
#C6B7ED
oklch(81% 0.077 297.4)
-
Step 400
400
#A98FE4
oklch(70.7% 0.124 297.2)
-
Step 500
500
#9571DC
oklch(63.1% 0.158 297.2)
-
Step 600
600
#8156CA
oklch(55.6% 0.173 297.6)
-
Step 700
700
#6D46AE
oklch(49.1% 0.159 297.5)
-
Step 800
800
#593A8D
oklch(42.7% 0.133 297.8)
-
Step 900
900
#493371
oklch(37.8% 0.103 297.6)
-
Step 950
950 (this color)
#180B2D
oklch(19.1% 0.065 297.4)
#180B2D 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) | #00132E | 0.047 |
| Deuteranopia (no green cones) | #01122C | 0.045 |
| Tritanopia (no blue cones) | #13121A | 0.050 |
| Achromatopsia (no color) | #121212 | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #180B2D
#180B2D
oklch(19.1% 0.065 297.4)
- #131600
#131600
oklch(19% 0.044 116)
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 #180B2D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Purple #280137 ΔE 0.046
- Very Dark Purple #2A0134 ΔE 0.049
- Rich Black #0D1B2A ΔE 0.055
- Dark Navy #000435 ΔE 0.063
- Navy Blue #001146 ΔE 0.064
- Midnight #03012D ΔE 0.064
- Rich Navy #001219 ΔE 0.068
- Dark Navy Blue #00022E ΔE 0.069
Use #180B2D 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.