#421328
Closest named color: Dark Plum (#3F012C). oklch(27.1% 0.077 355.8), rgb(66, 19, 40).
Aa
White text reads best on this color (15.49:1).
About this color
#421328 is a dark, moderately saturated red. In OKLCH its lightness is 27%, its chroma 0.077 and its hue 356°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Plum (#3F012C), ΔE 0.040 away. White text reads best on it, at 15.49:1.
| Hue family | Reds |
| Lightness | dark (27%) |
| Chroma | moderately saturated (0.077) |
| Temperature | warm |
| Nearest name | Dark Plum (#3F012C) |
| Black text | 1.35:1 |
| White text | 15.49:1 |
Values
| HEX | #421328 |
| RGB | rgb(66, 19, 40) |
| HSL | hsl(333, 55%, 17%) |
| OKLCH | oklch(27.1% 0.077 355.8) |
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 #421328 | 15.49:1 | AAA | Lc -104.7 | Preferred for body text |
| Black text on #421328 | 1.35:1 | Fails | Lc 0.0 | Not readable |
| #421328 text on white | 15.49:1 | AAA | Lc 102.0 | Preferred for body text |
| #421328 text on black | 1.35:1 | 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
#FDF2F6
oklch(97.1% 0.013 353.1)
-
Step 100
100
#F9E3EA
oklch(93.6% 0.026 356.3)
-
Step 200
200
#F6CCDA
oklch(88.5% 0.051 356.2)
-
Step 300
300
#F1A8C3
oklch(80.9% 0.092 355.5)
-
Step 400
400
#E677A4
oklch(70.8% 0.145 355.8)
-
Step 500
500
#DB4D8D
oklch(63.1% 0.186 356)
-
Step 600
600
#C62878
oklch(55.7% 0.202 355.6)
-
Step 700
700
#AA1765
oklch(49.1% 0.188 355.4)
-
Step 800
800
#8A1852
oklch(42.6% 0.155 355.6)
-
Step 900
900
#6F1D44
oklch(37.6% 0.121 355.5)
-
Step 950
950 (this color)
#421328
oklch(27.1% 0.077 355.8)
#421328 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) | #1B1F29 | 0.085 |
| Deuteranopia (no green cones) | #282727 | 0.075 |
| Tritanopia (no blue cones) | #480F1B | 0.026 |
| Achromatopsia (no color) | #242424 | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #421328
#421328
oklch(27.1% 0.077 355.8)
- #002F26
#002F26
oklch(27.3% 0.051 175.9)
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 #421328, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Plum #3F012C ΔE 0.040
- Aubergine #3D0734 ΔE 0.041
- Eggplant #380835 ΔE 0.048
- Eggplant Purple #430541 ΔE 0.058
- Dark Maroon #3C0008 ΔE 0.060
- Mahogany #4A0100 ΔE 0.061
- Deep Brown #410200 ΔE 0.063
- Dark Purple #35063E ΔE 0.066
Use #421328 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.