#421B2F
Closest named color: Aubergine (#3D0734). oklch(28.7% 0.066 350.1), rgb(66, 27, 47).
Aa
White text reads best on this color (14.69:1).
About this color
#421B2F is a dark, muted red. In OKLCH its lightness is 29%, its chroma 0.066 and its hue 350°. Its hue sits on the warm side of the wheel. The nearest named color is Aubergine (#3D0734), ΔE 0.050 away. White text reads best on it, at 14.69:1.
| Hue family | Reds |
| Lightness | dark (29%) |
| Chroma | muted (0.066) |
| Temperature | warm |
| Nearest name | Aubergine (#3D0734) |
| Black text | 1.42:1 |
| White text | 14.69:1 |
Values
| HEX | #421B2F |
| RGB | rgb(66, 27, 47) |
| HSL | hsl(329, 42%, 18%) |
| OKLCH | oklch(28.7% 0.066 350.1) |
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 #421B2F | 14.69:1 | AAA | Lc -104.1 | Preferred for body text |
| Black text on #421B2F | 1.42:1 | Fails | Lc 0.0 | Not readable |
| #421B2F text on white | 14.69:1 | AAA | Lc 101.2 | Preferred for body text |
| #421B2F text on black | 1.42:1 | 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
#F7E4EC
oklch(93.6% 0.023 350.1)
-
Step 200
200
#F1CEDD
oklch(88.5% 0.044 350.3)
-
Step 300
300
#E9ACC8
oklch(80.9% 0.08 349.8)
-
Step 400
400
#DB7EAB
oklch(70.7% 0.126 350.4)
-
Step 500
500
#CE5A97
oklch(63.1% 0.161 350)
-
Step 600
600
#B93C81
oklch(55.6% 0.174 350.2)
-
Step 700
700
#9F2D6D
oklch(49.1% 0.162 350.2)
-
Step 800
800
#812759
oklch(42.7% 0.134 350)
-
Step 900
900
#682549
oklch(37.6% 0.105 350)
-
Step 950
950 (this color)
#421B2F
oklch(28.7% 0.066 350.1)
#421B2F 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) | #1F2430 | 0.072 |
| Deuteranopia (no green cones) | #2A2B2E | 0.065 |
| Tritanopia (no blue cones) | #471A23 | 0.024 |
| Achromatopsia (no color) | #282828 | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #421B2F
#421B2F
oklch(28.7% 0.066 350.1)
- #003326
#003326
oklch(28.6% 0.056 170.2)
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 #421B2F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Aubergine #3D0734 ΔE 0.050
- Dark Plum #3F012C ΔE 0.055
- Eggplant #380835 ΔE 0.056
- Eggplant Purple #430541 ΔE 0.060
- Deep Violet #490648 ΔE 0.066
- Space Cadet #2B2D42 ΔE 0.067
- Chocolate Brown #411900 ΔE 0.071
- Dark Purple #35063E ΔE 0.071
Use #421B2F 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.