#421F4E
Closest named color: Deep Violet (#490648). oklch(31% 0.09 316.8), rgb(66, 31, 78).
Aa
White text reads best on this color (13.65:1).
About this color
#421F4E is a dark, moderately saturated purple. In OKLCH its lightness is 31%, its chroma 0.090 and its hue 317°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Deep Violet (#490648), ΔE 0.046 away. White text reads best on it, at 13.65:1.
| Hue family | Purples |
| Lightness | dark (31%) |
| Chroma | moderately saturated (0.090) |
| Temperature | in between |
| Nearest name | Deep Violet (#490648) |
| Black text | 1.53:1 |
| White text | 13.65:1 |
Values
| HEX | #421F4E |
| RGB | rgb(66, 31, 78) |
| HSL | hsl(285, 43%, 21%) |
| OKLCH | oklch(31% 0.09 316.8) |
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 #421F4E | 13.65:1 | AAA | Lc -103.0 | Preferred for body text |
| Black text on #421F4E | 1.53:1 | Fails | Lc 0.0 | Not readable |
| #421F4E text on white | 13.65:1 | AAA | Lc 99.9 | Preferred for body text |
| #421F4E text on black | 1.53:1 | 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
#F9F3FC
oklch(97.1% 0.013 314.8)
-
Step 100
100
#F2E4F8
oklch(93.6% 0.031 315.9)
-
Step 200
200
#E9CEF4
oklch(88.6% 0.059 316.2)
-
Step 300
300
#DCABEF
oklch(80.8% 0.107 316.4)
-
Step 400
400
#CA7BE6
oklch(70.7% 0.17 316.7)
-
Step 500
500
#BC52DE
oklch(63.1% 0.218 317)
-
Step 600
600
#A72DCC
oklch(55.6% 0.237 316.7)
-
Step 700
700
#8F1CB0
oklch(49% 0.22 316.8)
-
Step 800
800
#741C8F
oklch(42.7% 0.182 316.6)
-
Step 900
900
#5E2072
oklch(37.7% 0.142 316.7)
-
Step 950
950 (this color)
#421F4E
oklch(31% 0.09 316.8)
#421F4E 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) | #142B50 | 0.082 |
| Deuteranopia (no green cones) | #202F4D | 0.073 |
| Tritanopia (no blue cones) | #422633 | 0.058 |
| Achromatopsia (no color) | #2E2E2E | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #421F4E
#421F4E
oklch(31% 0.09 316.8)
- #173A03
#173A03
oklch(31% 0.09 137)
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 #421F4E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Violet #490648 ΔE 0.046
- Plum Purple #4E0550 ΔE 0.048
- Eggplant Purple #430541 ΔE 0.052
- Grape Purple #5D1451 ΔE 0.059
- Space Cadet #2B2D42 ΔE 0.064
- Aubergine #3D0734 ΔE 0.065
- Dark Purple #35063E ΔE 0.067
- Eggplant #380835 ΔE 0.068
Use #421F4E 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.