#421C39
Closest named color: Aubergine (#3D0734). oklch(29.3% 0.072 337.1), rgb(66, 28, 57).
Aa
White text reads best on this color (14.41:1).
About this color
#421C39 is a dark, moderately saturated purple. In OKLCH its lightness is 29%, its chroma 0.072 and its hue 337°. Its hue sits on the warm side of the wheel. The nearest named color is Aubergine (#3D0734), ΔE 0.047 away. White text reads best on it, at 14.41:1.
| Hue family | Purples |
| Lightness | dark (29%) |
| Chroma | moderately saturated (0.072) |
| Temperature | warm |
| Nearest name | Aubergine (#3D0734) |
| Black text | 1.45:1 |
| White text | 14.41:1 |
Values
| HEX | #421C39 |
| RGB | rgb(66, 28, 57) |
| HSL | hsl(314, 40%, 18%) |
| OKLCH | oklch(29.3% 0.072 337.1) |
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 #421C39 | 14.41:1 | AAA | Lc -103.9 | Preferred for body text |
| Black text on #421C39 | 1.45:1 | Fails | Lc 0.0 | Not readable |
| #421C39 text on white | 14.41:1 | AAA | Lc 100.9 | Preferred for body text |
| #421C39 text on black | 1.45:1 | 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
#FBF3F8
oklch(97.2% 0.011 339.3)
-
Step 100
100
#F5E4F0
oklch(93.6% 0.024 336.1)
-
Step 200
200
#EFCEE5
oklch(88.6% 0.048 337)
-
Step 300
300
#E5ACD5
oklch(80.9% 0.085 336.9)
-
Step 400
400
#D67DBF
oklch(70.7% 0.137 337.3)
-
Step 500
500
#C958AF
oklch(63.1% 0.176 337.3)
-
Step 600
600
#B4399B
oklch(55.6% 0.191 337)
-
Step 700
700
#9A2A84
oklch(49% 0.177 337)
-
Step 800
800
#7D256B
oklch(42.6% 0.146 337.1)
-
Step 900
900
#652457
oklch(37.6% 0.114 337)
-
Step 950
950 (this color)
#421C39
oklch(29.3% 0.072 337.1)
#421C39 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) | #1D263A | 0.075 |
| Deuteranopia (no green cones) | #272C38 | 0.068 |
| Tritanopia (no blue cones) | #451D27 | 0.035 |
| Achromatopsia (no color) | #2A2A2A | 0.073 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #421C39
#421C39
oklch(29.3% 0.072 337.1)
- #00361D
#00361D
oklch(29.3% 0.07 156.7)
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 #421C39, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Aubergine #3D0734 ΔE 0.047
- Eggplant Purple #430541 ΔE 0.050
- Deep Violet #490648 ΔE 0.053
- Eggplant #380835 ΔE 0.053
- Dark Plum #3F012C ΔE 0.057
- Space Cadet #2B2D42 ΔE 0.062
- Dark Purple #35063E ΔE 0.063
- Plum Purple #4E0550 ΔE 0.064
Use #421C39 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.