#421F40
Closest named color: Deep Violet (#490648). oklch(30.2% 0.074 329.3), rgb(66, 31, 64).
Aa
White text reads best on this color (13.98:1).
About this color
#421F40 is a dark, moderately saturated purple. In OKLCH its lightness is 30%, its chroma 0.074 and its hue 329°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Deep Violet (#490648), ΔE 0.052 away. White text reads best on it, at 13.98:1.
| Hue family | Purples |
| Lightness | dark (30%) |
| Chroma | moderately saturated (0.074) |
| Temperature | in between |
| Nearest name | Deep Violet (#490648) |
| Black text | 1.50:1 |
| White text | 13.98:1 |
Values
| HEX | #421F40 |
| RGB | rgb(66, 31, 64) |
| HSL | hsl(303, 36%, 19%) |
| OKLCH | oklch(30.2% 0.074 329.3) |
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 #421F40 | 13.98:1 | AAA | Lc -103.5 | Preferred for body text |
| Black text on #421F40 | 1.50:1 | Fails | Lc 0.0 | Not readable |
| #421F40 text on white | 13.98:1 | AAA | Lc 100.4 | Preferred for body text |
| #421F40 text on black | 1.50:1 | 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
#FAF3F9
oklch(97.1% 0.011 330.1)
-
Step 100
100
#F4E4F2
oklch(93.6% 0.025 329.7)
-
Step 200
200
#ECCEE9
oklch(88.5% 0.049 329.2)
-
Step 300
300
#E1ADDC
oklch(81% 0.086 329.6)
-
Step 400
400
#D07FCA
oklch(70.7% 0.139 329.6)
-
Step 500
500
#C25BBD
oklch(63.2% 0.178 329.3)
-
Step 600
600
#AD3CA9
oklch(55.6% 0.193 329.3)
-
Step 700
700
#942D91
oklch(49.1% 0.179 329.1)
-
Step 800
800
#792776
oklch(42.8% 0.15 329.3)
-
Step 900
900
#62255F
oklch(37.7% 0.117 329.6)
-
Step 950
950 (this color)
#421F40
oklch(30.2% 0.074 329.3)
#421F40 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) | #1D2941 | 0.072 |
| Deuteranopia (no green cones) | #272E3F | 0.065 |
| Tritanopia (no blue cones) | #44222C | 0.041 |
| Achromatopsia (no color) | #2C2C2C | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #421F40
#421F40
oklch(30.2% 0.074 329.3)
- #0B3819
#0B3819
oklch(30.2% 0.073 149.7)
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 #421F40, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Violet #490648 ΔE 0.052
- Eggplant Purple #430541 ΔE 0.052
- Aubergine #3D0734 ΔE 0.055
- Space Cadet #2B2D42 ΔE 0.057
- Plum Purple #4E0550 ΔE 0.060
- Eggplant #380835 ΔE 0.060
- Dark Purple #35063E ΔE 0.066
- Dark Plum #3F012C ΔE 0.067
Use #421F40 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.