#421C33
Closest named color: Aubergine (#3D0734). oklch(29% 0.067 344.9), rgb(66, 28, 51).
Aa
White text reads best on this color (14.52:1).
About this color
#421C33 is a dark, muted purple. In OKLCH its lightness is 29%, its chroma 0.067 and its hue 345°. Its hue sits on the warm side of the wheel. The nearest named color is Aubergine (#3D0734), ΔE 0.050 away. White text reads best on it, at 14.52:1.
| Hue family | Purples |
| Lightness | dark (29%) |
| Chroma | muted (0.067) |
| Temperature | warm |
| Nearest name | Aubergine (#3D0734) |
| Black text | 1.44:1 |
| White text | 14.52:1 |
Values
| HEX | #421C33 |
| RGB | rgb(66, 28, 51) |
| HSL | hsl(324, 40%, 18%) |
| OKLCH | oklch(29% 0.067 344.9) |
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 #421C33 | 14.52:1 | AAA | Lc -104.0 | Preferred for body text |
| Black text on #421C33 | 1.44:1 | Fails | Lc 0.0 | Not readable |
| #421C33 text on white | 14.52:1 | AAA | Lc 101.1 | Preferred for body text |
| #421C33 text on black | 1.44:1 | 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
#FBF3F7
oklch(97.1% 0.01 345.4)
-
Step 100
100
#F6E4ED
oklch(93.6% 0.023 345.8)
-
Step 200
200
#F0CEE0
oklch(88.5% 0.045 344.9)
-
Step 300
300
#E7ACCD
oklch(80.9% 0.081 344.4)
-
Step 400
400
#D87FB3
oklch(70.8% 0.127 344.8)
-
Step 500
500
#CB5BA0
oklch(63.1% 0.162 344.8)
-
Step 600
600
#B63D8B
oklch(55.6% 0.176 344.7)
-
Step 700
700
#9C2D76
oklch(49% 0.165 344.6)
-
Step 800
800
#7F2760
oklch(42.6% 0.137 344.7)
-
Step 900
900
#67264E
oklch(37.8% 0.106 345.4)
-
Step 950
950 (this color)
#421C33
oklch(29% 0.067 344.9)
#421C33 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) | #1F2534 | 0.072 |
| Deuteranopia (no green cones) | #292B32 | 0.064 |
| Tritanopia (no blue cones) | #461C25 | 0.027 |
| Achromatopsia (no color) | #292929 | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #421C33
#421C33
oklch(29% 0.067 344.9)
- #003524
#003524
oklch(29.1% 0.061 165.1)
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 #421C33, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Aubergine #3D0734 ΔE 0.050
- Eggplant #380835 ΔE 0.056
- Dark Plum #3F012C ΔE 0.056
- Eggplant Purple #430541 ΔE 0.057
- Deep Violet #490648 ΔE 0.062
- Space Cadet #2B2D42 ΔE 0.064
- Dark Purple #35063E ΔE 0.069
- Plum Purple #4E0550 ΔE 0.073
Use #421C33 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.