#421425
Closest named color: Dark Plum (#3F012C). oklch(27.1% 0.074 0.3), rgb(66, 20, 37).
Aa
White text reads best on this color (15.45:1).
About this color
#421425 is a dark, moderately saturated red. In OKLCH its lightness is 27%, its chroma 0.074 and its hue 0°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Plum (#3F012C), ΔE 0.045 away. White text reads best on it, at 15.45:1.
| Hue family | Reds |
| Lightness | dark (27%) |
| Chroma | moderately saturated (0.074) |
| Temperature | warm |
| Nearest name | Dark Plum (#3F012C) |
| Black text | 1.35:1 |
| White text | 15.45:1 |
Values
| HEX | #421425 |
| RGB | rgb(66, 20, 37) |
| HSL | hsl(338, 53%, 17%) |
| OKLCH | oklch(27.1% 0.074 0.3) |
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 #421425 | 15.45:1 | AAA | Lc -104.7 | Preferred for body text |
| Black text on #421425 | 1.35:1 | Fails | Lc 0.0 | Not readable |
| #421425 text on white | 15.45:1 | AAA | Lc 102.0 | Preferred for body text |
| #421425 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
#FDF2F5
oklch(97.1% 0.012 358.8)
-
Step 100
100
#F9E3E9
oklch(93.5% 0.025 359.2)
-
Step 200
200
#F6CCD7
oklch(88.4% 0.049 0.6)
-
Step 300
300
#F0A9BE
oklch(80.8% 0.087 359.9)
-
Step 400
400
#E5789C
oklch(70.6% 0.14 0.3)
-
Step 500
500
#DB5084
oklch(63.1% 0.179 0.5)
-
Step 600
600
#C62D6E
oklch(55.7% 0.194 0.4)
-
Step 700
700
#AA1D5C
oklch(49.1% 0.18 0.2)
-
Step 800
800
#8A1C4B
oklch(42.7% 0.149 0.3)
-
Step 900
900
#6F1F3F
oklch(37.7% 0.116 359.9)
-
Step 950
950 (this color)
#421425
oklch(27.1% 0.074 0.3)
#421425 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) | #1C1F25 | 0.083 |
| Deuteranopia (no green cones) | #292824 | 0.075 |
| Tritanopia (no blue cones) | #480F1B | 0.021 |
| Achromatopsia (no color) | #242424 | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #421425
#421425
oklch(27.1% 0.074 0.3)
- #002E28
#002E28
oklch(27% 0.049 181.5)
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 #421425, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Plum #3F012C ΔE 0.045
- Aubergine #3D0734 ΔE 0.047
- Eggplant #380835 ΔE 0.054
- Mahogany #4A0100 ΔE 0.056
- Dark Maroon #3C0008 ΔE 0.057
- Deep Brown #410200 ΔE 0.058
- Chocolate Brown #411900 ΔE 0.060
- Eggplant Purple #430541 ΔE 0.064
Use #421425 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.