#421B50
Closest named color: Deep Violet (#490648). oklch(30.5% 0.099 316.1), rgb(66, 27, 80).
Aa
White text reads best on this color (13.96:1).
About this color
#421B50 is a dark, moderately saturated purple. In OKLCH its lightness is 31%, its chroma 0.099 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 0.038 away. White text reads best on it, at 13.96:1.
| Hue family | Purples |
| Lightness | dark (31%) |
| Chroma | moderately saturated (0.099) |
| Temperature | in between |
| Nearest name | Deep Violet (#490648) |
| Black text | 1.50:1 |
| White text | 13.96:1 |
Values
| HEX | #421B50 |
| RGB | rgb(66, 27, 80) |
| HSL | hsl(284, 50%, 21%) |
| OKLCH | oklch(30.5% 0.099 316.1) |
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 #421B50 | 13.96:1 | AAA | Lc -103.3 | Preferred for body text |
| Black text on #421B50 | 1.50:1 | Fails | Lc 0.0 | Not readable |
| #421B50 text on white | 13.96:1 | AAA | Lc 100.2 | Preferred for body text |
| #421B50 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
#FAF2FD
oklch(97% 0.017 316.9)
-
Step 100
100
#F3E3FA
oklch(93.5% 0.035 315.7)
-
Step 200
200
#EBCDF7
oklch(88.6% 0.065 316.3)
-
Step 300
300
#DFA9F4
oklch(81% 0.118 316.3)
-
Step 400
400
#CD76EE
oklch(70.7% 0.188 316)
-
Step 500
500
#BF48E8
oklch(63% 0.241 316)
-
Step 600
600
#AB16D6
oklch(55.6% 0.262 316.1)
-
Step 700
700
#9200B9
oklch(49.1% 0.241 315.9)
-
Step 800
800
#770B96
oklch(42.6% 0.201 316.1)
-
Step 900
900
#601978
oklch(37.7% 0.157 315.8)
-
Step 950
950 (this color)
#421B50
oklch(30.5% 0.099 316.1)
#421B50 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) | #0B2A52 | 0.093 |
| Deuteranopia (no green cones) | #1B2D4F | 0.081 |
| Tritanopia (no blue cones) | #412432 | 0.065 |
| Achromatopsia (no color) | #2C2C2C | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #421B50
#421B50
oklch(30.5% 0.099 316.1)
- #173900
#173900
oklch(30.7% 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 #421B50, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Violet #490648 ΔE 0.038
- Plum Purple #4E0550 ΔE 0.040
- Eggplant Purple #430541 ΔE 0.045
- Grape Purple #5D1451 ΔE 0.059
- Dark Purple #35063E ΔE 0.061
- Aubergine #3D0734 ΔE 0.062
- Eggplant #380835 ΔE 0.065
- Royal Purple #4B006E ΔE 0.065
Use #421B50 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.