#400644
Closest named color: Eggplant Purple (#430541). oklch(26.9% 0.116 325.2), rgb(64, 6, 68).
Aa
White text reads best on this color (15.81:1).
About this color
#400644 is a dark, moderately saturated purple. In OKLCH its lightness is 27%, its chroma 0.116 and its hue 325°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Eggplant Purple (#430541), ΔE 0.009 away. White text reads best on it, at 15.81:1.
| Hue family | Purples |
| Lightness | dark (27%) |
| Chroma | moderately saturated (0.116) |
| Temperature | in between |
| Nearest name | Eggplant Purple (#430541) |
| Black text | 1.32:1 |
| White text | 15.81:1 |
Values
| HEX | #400644 |
| RGB | rgb(64, 6, 68) |
| HSL | hsl(296, 84%, 15%) |
| OKLCH | oklch(26.9% 0.116 325.2) |
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 #400644 | 15.81:1 | AAA | Lc -104.7 | Preferred for body text |
| Black text on #400644 | 1.32:1 | Fails | Lc 0.0 | Not readable |
| #400644 text on white | 15.81:1 | AAA | Lc 101.9 | Preferred for body text |
| #400644 text on black | 1.32:1 | 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
#FCF1FC
oklch(97% 0.019 325.7)
-
Step 100
100
#F8E1F9
oklch(93.5% 0.04 324.6)
-
Step 200
200
#F4C8F5
oklch(88.5% 0.077 325.5)
-
Step 300
300
#EDA1F1
oklch(80.9% 0.136 325)
-
Step 400
400
#E165E9
oklch(70.6% 0.219 325.2)
-
Step 500
500
#D620E2
oklch(63% 0.28 325.2)
-
Step 600
600
#B800C3
oklch(55.6% 0.26 325.3)
-
Step 700
700
#9B00A5
oklch(49% 0.229 325.1)
-
Step 800
800
#800088
oklch(42.6% 0.199 325.2)
-
Step 900
900
#6C0073
oklch(37.8% 0.176 325.2)
-
Step 950
950 (this color)
#400644
oklch(26.9% 0.116 325.2)
#400644 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) | #001E46 | 0.119 |
| Deuteranopia (no green cones) | #142543 | 0.105 |
| Tritanopia (no blue cones) | #421226 | 0.066 |
| Achromatopsia (no color) | #222222 | 0.117 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #400644
#400644
oklch(26.9% 0.116 325.2)
- #003007
#003007
oklch(26.9% 0.084 145.2)
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 #400644, closest first.
No curated palette has a color within ΔE 0.04 of #400644.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Eggplant Purple #430541 ΔE 0.009
- Deep Violet #490648 ΔE 0.022
- Dark Purple #35063E ΔE 0.028
- Deep Purple #36013F ΔE 0.029
- Aubergine #3D0734 ΔE 0.030
- Eggplant #380835 ΔE 0.033
- Plum Purple #4E0550 ΔE 0.038
- Dark Plum #3F012C ΔE 0.045
Use #400644 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.