#40183A
Closest named color: Aubergine (#3D0734). oklch(28.4% 0.079 333.6), rgb(64, 24, 58).
Aa
White text reads best on this color (14.89:1).
About this color
#40183A is a dark, moderately saturated purple. In OKLCH its lightness is 28%, its chroma 0.079 and its hue 334°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Aubergine (#3D0734), ΔE 0.036 away. White text reads best on it, at 14.89:1.
| Hue family | Purples |
| Lightness | dark (28%) |
| Chroma | moderately saturated (0.079) |
| Temperature | in between |
| Nearest name | Aubergine (#3D0734) |
| Black text | 1.40:1 |
| White text | 14.89:1 |
Values
| HEX | #40183A |
| RGB | rgb(64, 24, 58) |
| HSL | hsl(309, 45%, 17%) |
| OKLCH | oklch(28.4% 0.079 333.6) |
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 #40183A | 14.89:1 | AAA | Lc -104.3 | Preferred for body text |
| Black text on #40183A | 1.40:1 | Fails | Lc 0.0 | Not readable |
| #40183A text on white | 14.89:1 | AAA | Lc 101.4 | Preferred for body text |
| #40183A text on black | 1.40:1 | 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
#FBF2F9
oklch(97% 0.013 333)
-
Step 100
100
#F6E3F2
oklch(93.5% 0.029 332.8)
-
Step 200
200
#EFCDE8
oklch(88.5% 0.052 333.1)
-
Step 300
300
#E6AADA
oklch(80.9% 0.094 333.6)
-
Step 400
400
#D77AC8
oklch(70.7% 0.151 333.2)
-
Step 500
500
#CA53B9
oklch(63.1% 0.192 333.5)
-
Step 600
600
#B530A5
oklch(55.5% 0.209 333.4)
-
Step 700
700
#9C218D
oklch(49.1% 0.194 333.8)
-
Step 800
800
#7F1F73
oklch(42.8% 0.161 333.6)
-
Step 900
900
#66215D
oklch(37.7% 0.125 333.3)
-
Step 950
950 (this color)
#40183A
oklch(28.4% 0.079 333.6)
#40183A 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) | #17243B | 0.082 |
| Deuteranopia (no green cones) | #232939 | 0.072 |
| Tritanopia (no blue cones) | #431B26 | 0.041 |
| Achromatopsia (no color) | #272727 | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #40183A
#40183A
oklch(28.4% 0.079 333.6)
- #003418
#003418
oklch(28.5% 0.073 153.5)
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 #40183A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Aubergine #3D0734 ΔE 0.036
- Eggplant Purple #430541 ΔE 0.039
- Eggplant #380835 ΔE 0.041
- Deep Violet #490648 ΔE 0.045
- Dark Plum #3F012C ΔE 0.047
- Dark Purple #35063E ΔE 0.051
- Deep Purple #36013F ΔE 0.058
- Plum Purple #4E0550 ΔE 0.058
Use #40183A 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.