#402964
Closest named color: Prussian Blue (#1D3557). oklch(34% 0.101 299), rgb(64, 41, 100).
Aa
White text reads best on this color (12.21:1).
About this color
#402964 is a dark, moderately saturated purple. In OKLCH its lightness is 34%, its chroma 0.101 and its hue 299°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.069 away. White text reads best on it, at 12.21:1.
| Hue family | Purples |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.101) |
| Temperature | in between |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.71:1 |
| White text | 12.21:1 |
Values
| HEX | #402964 |
| RGB | rgb(64, 41, 100) |
| HSL | hsl(263, 42%, 28%) |
| OKLCH | oklch(34% 0.101 299) |
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 #402964 | 12.21:1 | AAA | Lc -101.1 | Preferred for body text |
| Black text on #402964 | 1.71:1 | Fails | Lc 0.0 | Not readable |
| #402964 text on white | 12.21:1 | AAA | Lc 97.6 | Preferred for body text |
| #402964 text on black | 1.71:1 | 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
#F6F4FB
oklch(97.1% 0.009 299.2)
-
Step 100
100
#EBE7F7
oklch(93.6% 0.022 297.4)
-
Step 200
200
#DCD4F2
oklch(88.6% 0.042 297.7)
-
Step 300
300
#C7B6EB
oklch(80.8% 0.076 299.4)
-
Step 400
400
#AB8FE1
oklch(70.7% 0.12 299)
-
Step 500
500
#9771D9
oklch(63.1% 0.154 298.8)
-
Step 600
600
#8257C6
oklch(55.6% 0.167 298.7)
-
Step 700
700
#6E46AB
oklch(49% 0.156 298.8)
-
Step 800
800
#5A3A8B
oklch(42.7% 0.13 299)
-
Step 900
900 (this color)
#402964
oklch(34% 0.101 299)
-
Step 950
950
#2B1E41
oklch(26.9% 0.064 299.2)
#402964 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) | #103566 | 0.071 |
| Deuteranopia (no green cones) | #183563 | 0.066 |
| Tritanopia (no blue cones) | #383542 | 0.078 |
| Achromatopsia (no color) | #353535 | 0.101 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #402964
#402964
oklch(34% 0.101 299)
- #343D00
#343D00
oklch(34% 0.08 118.6)
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 #402964, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.069
- Royal Purple #4B006E ΔE 0.069
- Space Cadet #2B2D42 ΔE 0.075
- Plum Purple #4E0550 ΔE 0.075
- Grape Purple #5D1451 ΔE 0.076
- Indigo #4B0082 ΔE 0.079
- Marine Blue #01386A ΔE 0.080
- Marine #042E60 ΔE 0.080
Use #402964 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.