#421B4D
Closest named color: Deep Violet (#490648). oklch(30.3% 0.096 318.3), rgb(66, 27, 77).
Aa
White text reads best on this color (14.04:1).
About this color
#421B4D is a dark, moderately saturated purple. In OKLCH its lightness is 30%, its chroma 0.096 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 0.037 away. White text reads best on it, at 14.04:1.
| Hue family | Purples |
| Lightness | dark (30%) |
| Chroma | moderately saturated (0.096) |
| Temperature | in between |
| Nearest name | Deep Violet (#490648) |
| Black text | 1.49:1 |
| White text | 14.04:1 |
Values
| HEX | #421B4D |
| RGB | rgb(66, 27, 77) |
| HSL | hsl(287, 48%, 20%) |
| OKLCH | oklch(30.3% 0.096 318.3) |
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 #421B4D | 14.04:1 | AAA | Lc -103.4 | Preferred for body text |
| Black text on #421B4D | 1.49:1 | Fails | Lc 0.0 | Not readable |
| #421B4D text on white | 14.04:1 | AAA | Lc 100.3 | Preferred for body text |
| #421B4D text on black | 1.49:1 | 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
#FAF2FC
oklch(97% 0.016 319.4)
-
Step 100
100
#F3E3F8
oklch(93.5% 0.033 318.1)
-
Step 200
200
#EBCDF5
oklch(88.6% 0.063 317.6)
-
Step 300
300
#E0A9F0
oklch(80.9% 0.114 318.5)
-
Step 400
400
#CF77E8
oklch(70.8% 0.181 318.4)
-
Step 500
500
#C14BE1
oklch(63.1% 0.232 318.3)
-
Step 600
600
#AD1ECF
oklch(55.7% 0.253 318.4)
-
Step 700
700
#9406B3
oklch(49.1% 0.235 318.3)
-
Step 800
800
#781191
oklch(42.7% 0.194 318.2)
-
Step 900
900
#611B74
oklch(37.8% 0.151 318)
-
Step 950
950 (this color)
#421B4D
oklch(30.3% 0.096 318.3)
#421B4D 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) | #0F294F | 0.090 |
| Deuteranopia (no green cones) | #1D2D4C | 0.080 |
| Tritanopia (no blue cones) | #422331 | 0.060 |
| Achromatopsia (no color) | #2C2C2C | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #421B4D
#421B4D
oklch(30.3% 0.096 318.3)
- #113900
#113900
oklch(30.4% 0.095 138.4)
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 #421B4D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Violet #490648 ΔE 0.037
- Plum Purple #4E0550 ΔE 0.041
- Eggplant Purple #430541 ΔE 0.043
- Aubergine #3D0734 ΔE 0.058
- Dark Purple #35063E ΔE 0.059
- Grape Purple #5D1451 ΔE 0.059
- Eggplant #380835 ΔE 0.061
- Deep Purple #36013F ΔE 0.064
Use #421B4D 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.