#40104C
Closest named color: Deep Violet (#490648). oklch(28.5% 0.111 318.8), rgb(64, 16, 76).
Aa
White text reads best on this color (15.03:1).
About this color
#40104C is a dark, moderately saturated purple. In OKLCH its lightness is 28%, its chroma 0.111 and its hue 319°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Deep Violet (#490648), ΔE 0.024 away. White text reads best on it, at 15.03:1.
| Hue family | Purples |
| Lightness | dark (28%) |
| Chroma | moderately saturated (0.111) |
| Temperature | in between |
| Nearest name | Deep Violet (#490648) |
| Black text | 1.39:1 |
| White text | 15.03:1 |
Values
| HEX | #40104C |
| RGB | rgb(64, 16, 76) |
| HSL | hsl(288, 65%, 18%) |
| OKLCH | oklch(28.5% 0.111 318.8) |
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 #40104C | 15.03:1 | AAA | Lc -104.2 | Preferred for body text |
| Black text on #40104C | 1.39:1 | Fails | Lc 0.0 | Not readable |
| #40104C text on white | 15.03:1 | AAA | Lc 101.3 | Preferred for body text |
| #40104C text on black | 1.39:1 | 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
#FBF2FD
oklch(97.1% 0.017 320.1)
-
Step 100
100
#F5E2FB
oklch(93.5% 0.039 318.1)
-
Step 200
200
#EECAF8
oklch(88.4% 0.073 318.8)
-
Step 300
300
#E5A5F7
oklch(81% 0.131 318.7)
-
Step 400
400
#D66DF2
oklch(70.7% 0.21 318.8)
-
Step 500
500
#CA34ED
oklch(63.1% 0.269 319)
-
Step 600
600
#B000D3
oklch(55.5% 0.268 318.7)
-
Step 700
700
#9500B3
oklch(49.1% 0.237 318.7)
-
Step 800
800
#7B0094
oklch(42.7% 0.206 318.8)
-
Step 900
900
#66087B
oklch(37.8% 0.176 318.6)
-
Step 950
950 (this color)
#40104C
oklch(28.5% 0.111 318.8)
#40104C 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) | #00234E | 0.109 |
| Deuteranopia (no green cones) | #14284B | 0.095 |
| Tritanopia (no blue cones) | #401C2D | 0.069 |
| Achromatopsia (no color) | #262626 | 0.112 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #40104C
#40104C
oklch(28.5% 0.111 318.8)
- #0D3400
#0D3400
oklch(28.6% 0.09 139)
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 #40104C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Violet #490648 ΔE 0.024
- Eggplant Purple #430541 ΔE 0.026
- Plum Purple #4E0550 ΔE 0.033
- Dark Purple #35063E ΔE 0.041
- Deep Purple #36013F ΔE 0.043
- Aubergine #3D0734 ΔE 0.046
- Eggplant #380835 ΔE 0.047
- Dark Plum #3F012C ΔE 0.062
Use #40104C 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.