#421129
Closest named color: Dark Plum (#3F012C). oklch(26.9% 0.081 353.6), rgb(66, 17, 41).
Aa
White text reads best on this color (15.62:1).
About this color
#421129 is a dark, moderately saturated red. In OKLCH its lightness is 27%, its chroma 0.081 and its hue 354°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Plum (#3F012C), ΔE 0.035 away. White text reads best on it, at 15.62:1.
| Hue family | Reds |
| Lightness | dark (27%) |
| Chroma | moderately saturated (0.081) |
| Temperature | warm |
| Nearest name | Dark Plum (#3F012C) |
| Black text | 1.34:1 |
| White text | 15.62:1 |
Values
| HEX | #421129 |
| RGB | rgb(66, 17, 41) |
| HSL | hsl(331, 59%, 16%) |
| OKLCH | oklch(26.9% 0.081 353.6) |
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 #421129 | 15.62:1 | AAA | Lc -104.8 | Preferred for body text |
| Black text on #421129 | 1.34:1 | Fails | Lc 0.0 | Not readable |
| #421129 text on white | 15.62:1 | AAA | Lc 102.1 | Preferred for body text |
| #421129 text on black | 1.34:1 | 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
#FAE3EB
oklch(93.7% 0.027 354.5)
-
Step 200
200
#F7CBDC
oklch(88.5% 0.054 353.1)
-
Step 300
300
#F2A7C5
oklch(80.9% 0.096 353.8)
-
Step 400
400
#E774A8
oklch(70.6% 0.153 353.3)
-
Step 500
500
#DD4992
oklch(63.1% 0.195 353.8)
-
Step 600
600
#C81F7C
oklch(55.6% 0.212 353.9)
-
Step 700
700
#AC0B69
oklch(49.1% 0.197 353.6)
-
Step 800
800
#8C1256
oklch(42.7% 0.164 353.4)
-
Step 900
900
#711A47
oklch(37.8% 0.128 353.5)
-
Step 950
950 (this color)
#421129
oklch(26.9% 0.081 353.6)
#421129 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) | #191E2A | 0.089 |
| Deuteranopia (no green cones) | #262728 | 0.081 |
| Tritanopia (no blue cones) | #480E1B | 0.028 |
| Achromatopsia (no color) | #232323 | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #421129
#421129
oklch(26.9% 0.081 353.6)
- #002E24
#002E24
oklch(26.9% 0.051 173.7)
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 #421129, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Plum #3F012C ΔE 0.035
- Aubergine #3D0734 ΔE 0.036
- Eggplant #380835 ΔE 0.044
- Eggplant Purple #430541 ΔE 0.053
- Dark Maroon #3C0008 ΔE 0.060
- Dark Purple #35063E ΔE 0.062
- Mahogany #4A0100 ΔE 0.062
- Deep Violet #490648 ΔE 0.064
Use #421129 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.