#421B49
Closest named color: Deep Violet (#490648). oklch(30.1% 0.091 321.3), rgb(66, 27, 73).
Aa
White text reads best on this color (14.14:1).
About this color
#421B49 is a dark, moderately saturated purple. In OKLCH its lightness is 30%, its chroma 0.091 and its hue 321°. 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 14.14:1.
| Hue family | Purples |
| Lightness | dark (30%) |
| Chroma | moderately saturated (0.091) |
| Temperature | in between |
| Nearest name | Deep Violet (#490648) |
| Black text | 1.48:1 |
| White text | 14.14:1 |
Values
| HEX | #421B49 |
| RGB | rgb(66, 27, 73) |
| HSL | hsl(291, 46%, 20%) |
| OKLCH | oklch(30.1% 0.091 321.3) |
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 #421B49 | 14.14:1 | AAA | Lc -103.5 | Preferred for body text |
| Black text on #421B49 | 1.48:1 | Fails | Lc 0.0 | Not readable |
| #421B49 text on white | 14.14:1 | AAA | Lc 100.5 | Preferred for body text |
| #421B49 text on black | 1.48:1 | 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
#FAF2FB
oklch(97% 0.015 322.3)
-
Step 100
100
#F4E3F7
oklch(93.5% 0.032 321.1)
-
Step 200
200
#ECCDF2
oklch(88.6% 0.06 320.8)
-
Step 300
300
#E1A9EB
oklch(80.8% 0.109 321.3)
-
Step 400
400
#D178E1
oklch(70.8% 0.173 321.3)
-
Step 500
500
#C34DD8
oklch(63.1% 0.222 321.3)
-
Step 600
600
#AE25C5
oklch(55.6% 0.24 321.2)
-
Step 700
700
#9612AA
oklch(49.2% 0.224 321.5)
-
Step 800
800
#79168A
oklch(42.6% 0.185 321)
-
Step 900
900
#621D6E
oklch(37.7% 0.144 321.3)
-
Step 950
950 (this color)
#421B49
oklch(30.1% 0.091 321.3)
#421B49 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) | #12284A | 0.088 |
| Deuteranopia (no green cones) | #202D48 | 0.077 |
| Tritanopia (no blue cones) | #43222F | 0.056 |
| Achromatopsia (no color) | #2B2B2B | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #421B49
#421B49
oklch(30.1% 0.091 321.3)
- #0C3806
#0C3806
oklch(29.9% 0.09 141.3)
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 #421B49, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Violet #490648 ΔE 0.037
- Eggplant Purple #430541 ΔE 0.041
- Plum Purple #4E0550 ΔE 0.043
- Aubergine #3D0734 ΔE 0.053
- Eggplant #380835 ΔE 0.057
- Dark Purple #35063E ΔE 0.057
- Grape Purple #5D1451 ΔE 0.060
- Deep Purple #36013F ΔE 0.063
Use #421B49 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.