#421C2D
Closest named color: Aubergine (#3D0734). oklch(28.8% 0.063 353.7), rgb(66, 28, 45).
Aa
White text reads best on this color (14.62:1).
About this color
#421C2D is a dark, muted red. In OKLCH its lightness is 29%, its chroma 0.063 and its hue 354°. Its hue sits on the warm side of the wheel. The nearest named color is Aubergine (#3D0734), ΔE 0.055 away. White text reads best on it, at 14.62:1.
| Hue family | Reds |
| Lightness | dark (29%) |
| Chroma | muted (0.063) |
| Temperature | warm |
| Nearest name | Aubergine (#3D0734) |
| Black text | 1.43:1 |
| White text | 14.62:1 |
Values
| HEX | #421C2D |
| RGB | rgb(66, 28, 45) |
| HSL | hsl(333, 40%, 18%) |
| OKLCH | oklch(28.8% 0.063 353.7) |
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 #421C2D | 14.62:1 | AAA | Lc -104.1 | Preferred for body text |
| Black text on #421C2D | 1.43:1 | Fails | Lc 0.0 | Not readable |
| #421C2D text on white | 14.62:1 | AAA | Lc 101.2 | Preferred for body text |
| #421C2D text on black | 1.43:1 | 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
#FBF3F6
oklch(97.1% 0.009 352.4)
-
Step 100
100
#F6E4EB
oklch(93.5% 0.022 351.9)
-
Step 200
200
#F0CEDB
oklch(88.4% 0.042 353)
-
Step 300
300
#E8ADC4
oklch(80.9% 0.075 353.7)
-
Step 400
400
#DA80A6
oklch(70.7% 0.119 353.8)
-
Step 500
500
#CD5D90
oklch(63.1% 0.152 353.8)
-
Step 600
600
#B83F7A
oklch(55.5% 0.166 353.8)
-
Step 700
700
#9E3067
oklch(49% 0.154 353.6)
-
Step 800
800
#812954
oklch(42.7% 0.129 353.8)
-
Step 900
900
#682745
oklch(37.7% 0.099 354.2)
-
Step 950
950 (this color)
#421C2D
oklch(28.8% 0.063 353.7)
#421C2D 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) | #21242E | 0.068 |
| Deuteranopia (no green cones) | #2B2B2C | 0.062 |
| Tritanopia (no blue cones) | #471A22 | 0.021 |
| Achromatopsia (no color) | #292929 | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #421C2D
#421C2D
oklch(28.8% 0.063 353.7)
- #003328
#003328
oklch(28.6% 0.055 173.4)
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 #421C2D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Aubergine #3D0734 ΔE 0.055
- Dark Plum #3F012C ΔE 0.059
- Eggplant #380835 ΔE 0.061
- Eggplant Purple #430541 ΔE 0.065
- Chocolate Brown #411900 ΔE 0.066
- Space Cadet #2B2D42 ΔE 0.066
- Jet #212529 ΔE 0.071
- Deep Violet #490648 ΔE 0.071
Use #421C2D 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.