#402455
Closest named color: Plum Purple (#4E0550). oklch(32.1% 0.089 308.6), rgb(64, 36, 85).
Aa
White text reads best on this color (13.11:1).
About this color
#402455 is a dark, moderately saturated purple. In OKLCH its lightness is 32%, its chroma 0.089 and its hue 309°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Plum Purple (#4E0550), ΔE 0.059 away. White text reads best on it, at 13.11:1.
| Hue family | Purples |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.089) |
| Temperature | in between |
| Nearest name | Plum Purple (#4E0550) |
| Black text | 1.60:1 |
| White text | 13.11:1 |
Values
| HEX | #402455 |
| RGB | rgb(64, 36, 85) |
| HSL | hsl(274, 40%, 24%) |
| OKLCH | oklch(32.1% 0.089 308.6) |
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 #402455 | 13.11:1 | AAA | Lc -102.4 | Preferred for body text |
| Black text on #402455 | 1.60:1 | Fails | Lc 0.0 | Not readable |
| #402455 text on white | 13.11:1 | AAA | Lc 99.2 | Preferred for body text |
| #402455 text on black | 1.60:1 | 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
#F8F3FD
oklch(97.1% 0.014 308.3)
-
Step 100
100
#F0E5FA
oklch(93.7% 0.03 309.1)
-
Step 200
200
#E4CFF7
oklch(88.4% 0.059 308.8)
-
Step 300
300
#D4AEF5
oklch(80.9% 0.106 308.6)
-
Step 400
400
#BF80EF
oklch(70.8% 0.168 308.9)
-
Step 500
500
#AF59EA
oklch(63.1% 0.216 308.8)
-
Step 600
600
#9A37D8
oklch(55.6% 0.233 308.5)
-
Step 700
700
#8427BB
oklch(49.1% 0.217 308.7)
-
Step 800
800
#6B2398
oklch(42.7% 0.181 308.5)
-
Step 900
900
#572479
oklch(37.7% 0.141 308.6)
-
Step 950
950 (this color)
#402455
oklch(32.1% 0.089 308.6)
#402455 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) | #162F57 | 0.071 |
| Deuteranopia (no green cones) | #1E3154 | 0.065 |
| Tritanopia (no blue cones) | #3D2D38 | 0.065 |
| Achromatopsia (no color) | #303030 | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #402455
#402455
oklch(32.1% 0.089 308.6)
- #263B00
#263B00
oklch(32.2% 0.085 128.5)
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 #402455, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Plum Purple #4E0550 ΔE 0.059
- Deep Violet #490648 ΔE 0.060
- Space Cadet #2B2D42 ΔE 0.061
- Grape Purple #5D1451 ΔE 0.066
- Eggplant Purple #430541 ΔE 0.067
- Prussian Blue #1D3557 ΔE 0.071
- Gunmetal #293241 ΔE 0.073
- Royal Purple #4B006E ΔE 0.073
Use #402455 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.