#421F4F
Closest named color: Deep Violet (#490648). oklch(31.1% 0.091 316), rgb(66, 31, 79).
Aa
White text reads best on this color (13.63:1).
About this color
#421F4F is a dark, moderately saturated purple. In OKLCH its lightness is 31%, its chroma 0.091 and its hue 316°. 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 13.63:1.
| Hue family | Purples |
| Lightness | dark (31%) |
| Chroma | moderately saturated (0.091) |
| Temperature | in between |
| Nearest name | Deep Violet (#490648) |
| Black text | 1.54:1 |
| White text | 13.63:1 |
Values
| HEX | #421F4F |
| RGB | rgb(66, 31, 79) |
| HSL | hsl(284, 44%, 22%) |
| OKLCH | oklch(31.1% 0.091 316) |
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 #421F4F | 13.63:1 | AAA | Lc -103.0 | Preferred for body text |
| Black text on #421F4F | 1.54:1 | Fails | Lc 0.0 | Not readable |
| #421F4F text on white | 13.63:1 | AAA | Lc 99.9 | Preferred for body text |
| #421F4F text on black | 1.54:1 | 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
#DCABF0
oklch(80.9% 0.108 315.9)
-
Step 400
400
#CA7BE8
oklch(70.8% 0.172 316.1)
-
Step 500
500
#BB52E1
oklch(63.1% 0.22 315.9)
-
Step 600
600
#A72BCE
oklch(55.6% 0.24 316.3)
-
Step 700
700
#8F1AB3
oklch(49.1% 0.224 316)
-
Step 800
800
#741B91
oklch(42.7% 0.185 315.9)
-
Step 900
900
#5E1F73
oklch(37.7% 0.144 316.4)
-
Step 950
950 (this color)
#421F4F
oklch(31.1% 0.091 316)
#421F4F 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) | #132C51 | 0.083 |
| Deuteranopia (no green cones) | #1F2F4E | 0.073 |
| Tritanopia (no blue cones) | #412733 | 0.061 |
| Achromatopsia (no color) | #2E2E2E | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #421F4F
#421F4F
oklch(31.1% 0.091 316)
- #183A01
#183A01
oklch(31% 0.091 136.1)
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 #421F4F, 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 0.065
- Aubergine #3D0734 ΔE 0.067
- Dark Purple #35063E ΔE 0.068
- Eggplant #380835 ΔE 0.069
Use #421F4F 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.