#421B3F
Closest named color: Eggplant Purple (#430541). oklch(29.5% 0.08 330.4), rgb(66, 27, 63).
Aa
White text reads best on this color (14.38:1).
About this color
#421B3F is a dark, moderately saturated purple. In OKLCH its lightness is 29%, its chroma 0.080 and its hue 330°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Eggplant Purple (#430541), ΔE 0.042 away. White text reads best on it, at 14.38:1.
| Hue family | Purples |
| Lightness | dark (29%) |
| Chroma | moderately saturated (0.080) |
| Temperature | in between |
| Nearest name | Eggplant Purple (#430541) |
| Black text | 1.46:1 |
| White text | 14.38:1 |
Values
| HEX | #421B3F |
| RGB | rgb(66, 27, 63) |
| HSL | hsl(305, 42%, 18%) |
| OKLCH | oklch(29.5% 0.08 330.4) |
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 #421B3F | 14.38:1 | AAA | Lc -103.8 | Preferred for body text |
| Black text on #421B3F | 1.46:1 | Fails | Lc 0.0 | Not readable |
| #421B3F text on white | 14.38:1 | AAA | Lc 100.8 | Preferred for body text |
| #421B3F text on black | 1.46:1 | 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
#FBF2F9
oklch(97% 0.013 333)
-
Step 100
100
#F5E4F3
oklch(93.7% 0.027 329.5)
-
Step 200
200
#EECDEA
oklch(88.5% 0.053 330)
-
Step 300
300
#E4AADE
oklch(80.8% 0.096 330)
-
Step 400
400
#D57ACD
oklch(70.7% 0.153 330.3)
-
Step 500
500
#C853BF
oklch(63.1% 0.195 330.7)
-
Step 600
600
#B331AC
oklch(55.6% 0.212 330.3)
-
Step 700
700
#992193
oklch(49% 0.197 330.4)
-
Step 800
800
#7D1F78
oklch(42.8% 0.164 330.3)
-
Step 900
900
#652160
oklch(37.7% 0.127 330.8)
-
Step 950
950 (this color)
#421B3F
oklch(29.5% 0.08 330.4)
#421B3F 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) | #192640 | 0.081 |
| Deuteranopia (no green cones) | #252C3E | 0.071 |
| Tritanopia (no blue cones) | #451E2A | 0.043 |
| Achromatopsia (no color) | #2A2A2A | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #421B3F
#421B3F
oklch(29.5% 0.08 330.4)
- #003715
#003715
oklch(29.4% 0.08 150.3)
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 #421B3F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Eggplant Purple #430541 ΔE 0.042
- Deep Violet #490648 ΔE 0.043
- Aubergine #3D0734 ΔE 0.046
- Eggplant #380835 ΔE 0.051
- Plum Purple #4E0550 ΔE 0.054
- Dark Purple #35063E ΔE 0.058
- Dark Plum #3F012C ΔE 0.058
- Deep Purple #36013F ΔE 0.064
Use #421B3F 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.