#402663
Closest named color: Royal Purple (#4B006E). oklch(33.4% 0.104 300.5), rgb(64, 38, 99).
Aa
White text reads best on this color (12.53:1).
About this color
#402663 is a dark, moderately saturated purple. In OKLCH its lightness is 33%, its chroma 0.104 and its hue 301°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Royal Purple (#4B006E), ΔE 0.063 away. White text reads best on it, at 12.53:1.
| Hue family | Purples |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.104) |
| Temperature | in between |
| Nearest name | Royal Purple (#4B006E) |
| Black text | 1.67:1 |
| White text | 12.53:1 |
Values
| HEX | #402663 |
| RGB | rgb(64, 38, 99) |
| HSL | hsl(266, 45%, 27%) |
| OKLCH | oklch(33.4% 0.104 300.5) |
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 #402663 | 12.53:1 | AAA | Lc -101.6 | Preferred for body text |
| Black text on #402663 | 1.67:1 | Fails | Lc 0.0 | Not readable |
| #402663 text on white | 12.53:1 | AAA | Lc 98.2 | Preferred for body text |
| #402663 text on black | 1.67:1 | 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 900.
-
Step 50
50
#F6F4FC
oklch(97.1% 0.011 297.6)
-
Step 100
100
#ECE7F7
oklch(93.7% 0.022 300.2)
-
Step 200
200
#DDD3F2
oklch(88.4% 0.043 300.2)
-
Step 300
300
#C8B6EC
oklch(81% 0.077 299.9)
-
Step 400
400
#AD8DE2
oklch(70.6% 0.125 300.6)
-
Step 500
500
#9A6FDA
oklch(63.1% 0.159 300.5)
-
Step 600
600
#8554C8
oklch(55.6% 0.174 300.3)
-
Step 700
700
#7144AC
oklch(49.1% 0.161 300.5)
-
Step 800
800
#5C388C
oklch(42.7% 0.135 300.5)
-
Step 900
900 (this color)
#402663
oklch(33.4% 0.104 300.5)
-
Step 950
950
#2C1E41
oklch(27.1% 0.065 300.6)
#402663 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) | #093365 | 0.078 |
| Deuteranopia (no green cones) | #143362 | 0.071 |
| Tritanopia (no blue cones) | #393240 | 0.079 |
| Achromatopsia (no color) | #343434 | 0.105 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #402663
#402663
oklch(33.4% 0.104 300.5)
- #313C00
#313C00
oklch(33.4% 0.08 120.5)
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 #402663, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Royal Purple #4B006E ΔE 0.063
- Plum Purple #4E0550 ΔE 0.069
- Prussian Blue #1D3557 ΔE 0.072
- Grape Purple #5D1451 ΔE 0.073
- Deep Violet #490648 ΔE 0.075
- Indigo #4B0082 ΔE 0.075
- Space Cadet #2B2D42 ΔE 0.076
- Marine #042E60 ΔE 0.082
Use #402663 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.