#18082D
Closest named color: Midnight Purple (#280137). oklch(18.5% 0.071 299.3), rgb(24, 8, 45).
Aa
White text reads best on this color (18.89:1).
About this color
#18082D is a very dark, moderately saturated purple. In OKLCH its lightness is 19%, its chroma 0.071 and its hue 299°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Midnight Purple (#280137), ΔE 0.044 away. White text reads best on it, at 18.89:1.
| Hue family | Purples |
| Lightness | very dark (19%) |
| Chroma | moderately saturated (0.071) |
| Temperature | in between |
| Nearest name | Midnight Purple (#280137) |
| Black text | 1.11:1 |
| White text | 18.89:1 |
Values
| HEX | #18082D |
| RGB | rgb(24, 8, 45) |
| HSL | hsl(266, 70%, 10%) |
| OKLCH | oklch(18.5% 0.071 299.3) |
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 #18082D | 18.89:1 | AAA | Lc -107.2 | Preferred for body text |
| Black text on #18082D | 1.11:1 | Fails | Lc 0.0 | Not readable |
| #18082D text on white | 18.89:1 | AAA | Lc 105.1 | Preferred for body text |
| #18082D 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
#F6F4FC
oklch(97.1% 0.011 297.6)
-
Step 100
100
#ECE7F8
oklch(93.7% 0.023 299.4)
-
Step 200
200
#DDD3F4
oklch(88.5% 0.046 299.3)
-
Step 300
300
#C8B5F0
oklch(80.9% 0.084 299.3)
-
Step 400
400
#AD8CE8
oklch(70.7% 0.135 299.5)
-
Step 500
500
#9A6DE1
oklch(63.2% 0.171 299.4)
-
Step 600
600
#8551CF
oklch(55.6% 0.187 299.2)
-
Step 700
700
#7141B3
oklch(49.2% 0.173 299.3)
-
Step 800
800
#5C3691
oklch(42.7% 0.144 299.5)
-
Step 900
900
#4B3074
oklch(37.7% 0.113 299.2)
-
Step 950
950 (this color)
#18082D
oklch(18.5% 0.071 299.3)
#18082D 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) | #00112E | 0.049 |
| Deuteranopia (no green cones) | #00112C | 0.050 |
| Tritanopia (no blue cones) | #131119 | 0.055 |
| Achromatopsia (no color) | #111111 | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #18082D
#18082D
oklch(18.5% 0.071 299.3)
- #111500
#111500
oklch(18.5% 0.043 118.2)
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 #18082D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Purple #280137 ΔE 0.044
- Very Dark Purple #2A0134 ΔE 0.047
- Midnight #03012D ΔE 0.061
- Dark Navy #000435 ΔE 0.061
- Rich Black #0D1B2A ΔE 0.063
- Navy Blue #001146 ΔE 0.067
- Dark Navy Blue #00022E ΔE 0.067
- Very Dark Blue #000133 ΔE 0.068
Use #18082D 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.