#421D2B
Closest named color: Aubergine (#3D0734). oklch(28.8% 0.06 357.6), rgb(66, 29, 43).
Aa
White text reads best on this color (14.56:1).
About this color
#421D2B is a dark, muted red. In OKLCH its lightness is 29%, its chroma 0.060 and its hue 358°. Its hue sits on the warm side of the wheel. The nearest named color is Aubergine (#3D0734), ΔE 0.060 away. White text reads best on it, at 14.56:1.
| Hue family | Reds |
| Lightness | dark (29%) |
| Chroma | muted (0.060) |
| Temperature | warm |
| Nearest name | Aubergine (#3D0734) |
| Black text | 1.44:1 |
| White text | 14.56:1 |
Values
| HEX | #421D2B |
| RGB | rgb(66, 29, 43) |
| HSL | hsl(337, 39%, 19%) |
| OKLCH | oklch(28.8% 0.06 357.6) |
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 #421D2B | 14.56:1 | AAA | Lc -104.1 | Preferred for body text |
| Black text on #421D2B | 1.44:1 | Fails | Lc 0.0 | Not readable |
| #421D2B text on white | 14.56:1 | AAA | Lc 101.1 | Preferred for body text |
| #421D2B text on black | 1.44:1 | 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
#FBF3F5
oklch(97.1% 0.009 0.1)
-
Step 100
100
#F6E4EA
oklch(93.5% 0.021 355.2)
-
Step 200
200
#F0CFD9
oklch(88.5% 0.039 357.7)
-
Step 300
300
#E8AEC1
oklch(81% 0.072 357.4)
-
Step 400
400
#D981A1
oklch(70.6% 0.114 357.2)
-
Step 500
500
#CC5F8A
oklch(63% 0.145 357.3)
-
Step 600
600
#B84374
oklch(55.7% 0.158 357.6)
-
Step 700
700
#9E3361
oklch(49.1% 0.148 357.6)
-
Step 800
800
#802C4F
oklch(42.7% 0.121 357.7)
-
Step 900
900
#672842
oklch(37.6% 0.095 356.9)
-
Step 950
950 (this color)
#421D2B
oklch(28.8% 0.06 357.6)
#421D2B 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) | #22252B | 0.067 |
| Deuteranopia (no green cones) | #2C2B2A | 0.059 |
| Tritanopia (no blue cones) | #471B22 | 0.018 |
| Achromatopsia (no color) | #292929 | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #421D2B
#421D2B
oklch(28.8% 0.06 357.6)
- #00332B
#00332B
oklch(28.7% 0.053 178.7)
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 #421D2B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Aubergine #3D0734 ΔE 0.060
- Chocolate Brown #411900 ΔE 0.062
- Dark Plum #3F012C ΔE 0.063
- Eggplant #380835 ΔE 0.065
- Space Cadet #2B2D42 ΔE 0.066
- Jet #212529 ΔE 0.069
- Mahogany #4A0100 ΔE 0.069
- Eggplant Purple #430541 ΔE 0.071
Use #421D2B 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.