#421B2E
Closest named color: Aubergine (#3D0734). oklch(28.6% 0.066 351.5), rgb(66, 27, 46).
Aa
White text reads best on this color (14.70:1).
About this color
#421B2E is a dark, muted red. In OKLCH its lightness is 29%, its chroma 0.066 and its hue 352°. Its hue sits on the warm side of the wheel. The nearest named color is Aubergine (#3D0734), ΔE 0.051 away. White text reads best on it, at 14.70:1.
| Hue family | Reds |
| Lightness | dark (29%) |
| Chroma | muted (0.066) |
| Temperature | warm |
| Nearest name | Aubergine (#3D0734) |
| Black text | 1.42:1 |
| White text | 14.70:1 |
Values
| HEX | #421B2E |
| RGB | rgb(66, 27, 46) |
| HSL | hsl(331, 42%, 18%) |
| OKLCH | oklch(28.6% 0.066 351.5) |
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 #421B2E | 14.70:1 | AAA | Lc -104.2 | Preferred for body text |
| Black text on #421B2E | 1.42:1 | Fails | Lc 0.0 | Not readable |
| #421B2E text on white | 14.70:1 | AAA | Lc 101.3 | Preferred for body text |
| #421B2E 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
#F7E4EB
oklch(93.6% 0.023 353.2)
-
Step 200
200
#F1CEDC
oklch(88.5% 0.043 352)
-
Step 300
300
#E9ACC6
oklch(80.9% 0.079 351.7)
-
Step 400
400
#DB7FA9
oklch(70.8% 0.124 351.9)
-
Step 500
500
#CE5B94
oklch(63.1% 0.158 351.6)
-
Step 600
600
#B93C7F
oklch(55.5% 0.173 351.2)
-
Step 700
700
#9F2D6B
oklch(49% 0.161 351.3)
-
Step 800
800
#812757
oklch(42.6% 0.133 351.3)
-
Step 900
900
#682648
oklch(37.7% 0.103 351.1)
-
Step 950
950 (this color)
#421B2E
oklch(28.6% 0.066 351.5)
#421B2E 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) | #20242F | 0.071 |
| Deuteranopia (no green cones) | #2A2B2D | 0.066 |
| Tritanopia (no blue cones) | #471922 | 0.023 |
| Achromatopsia (no color) | #282828 | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #421B2E
#421B2E
oklch(28.6% 0.066 351.5)
- #003327
#003327
oklch(28.6% 0.056 171.8)
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 #421B2E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Aubergine #3D0734 ΔE 0.051
- Dark Plum #3F012C ΔE 0.055
- Eggplant #380835 ΔE 0.057
- Eggplant Purple #430541 ΔE 0.062
- Space Cadet #2B2D42 ΔE 0.067
- Deep Violet #490648 ΔE 0.068
- Chocolate Brown #411900 ΔE 0.069
- Dark Purple #35063E ΔE 0.072
Use #421B2E 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.