#421F4C
Closest named color: Deep Violet (#490648). oklch(30.9% 0.088 318.3), rgb(66, 31, 76).
Aa
White text reads best on this color (13.70:1).
About this color
#421F4C is a dark, moderately saturated purple. In OKLCH its lightness is 31%, its chroma 0.088 and its hue 318°. 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 13.70:1.
| Hue family | Purples |
| Lightness | dark (31%) |
| Chroma | moderately saturated (0.088) |
| Temperature | in between |
| Nearest name | Deep Violet (#490648) |
| Black text | 1.53:1 |
| White text | 13.70:1 |
Values
| HEX | #421F4C |
| RGB | rgb(66, 31, 76) |
| HSL | hsl(287, 42%, 21%) |
| OKLCH | oklch(30.9% 0.088 318.3) |
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 #421F4C | 13.70:1 | AAA | Lc -103.1 | Preferred for body text |
| Black text on #421F4C | 1.53:1 | Fails | Lc 0.0 | Not readable |
| #421F4C text on white | 13.70:1 | AAA | Lc 100.0 | Preferred for body text |
| #421F4C 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
#FAF3FC
oklch(97.2% 0.014 318.7)
-
Step 100
100
#F3E4F7
oklch(93.6% 0.03 319.1)
-
Step 200
200
#EACEF2
oklch(88.6% 0.057 318.7)
-
Step 300
300
#DDABEC
oklch(80.8% 0.104 318.3)
-
Step 400
400
#CB7BE2
oklch(70.6% 0.166 318.4)
-
Step 500
500
#BD54DA
oklch(63.2% 0.212 318.3)
-
Step 600
600
#A830C7
oklch(55.6% 0.23 318.3)
-
Step 700
700
#901FAC
oklch(49.1% 0.214 318.3)
-
Step 800
800
#751E8B
oklch(42.7% 0.177 318.4)
-
Step 900
900
#5F216F
oklch(37.8% 0.138 318.7)
-
Step 950
950 (this color)
#421F4C
oklch(30.9% 0.088 318.3)
#421F4C 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) | #162B4D | 0.080 |
| Deuteranopia (no green cones) | #212F4B | 0.072 |
| Tritanopia (no blue cones) | #422632 | 0.056 |
| Achromatopsia (no color) | #2D2D2D | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #421F4C
#421F4C
oklch(30.9% 0.088 318.3)
- #163A07
#163A07
oklch(31% 0.087 138.4)
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 #421F4C, 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 0.049
- Eggplant Purple #430541 ΔE 0.051
- Grape Purple #5D1451 ΔE 0.060
- Space Cadet #2B2D42 ΔE 0.063
- Aubergine #3D0734 ΔE 0.063
- Dark Purple #35063E ΔE 0.066
- Eggplant #380835 ΔE 0.067
Use #421F4C 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.