#421C2A
Closest named color: Aubergine (#3D0734). oklch(28.6% 0.061 358.4), rgb(66, 28, 42).
Aa
White text reads best on this color (14.67:1).
About this color
#421C2A is a dark, muted red. In OKLCH its lightness is 29%, its chroma 0.061 and its hue 358°. Its hue sits on the warm side of the wheel. The nearest named color is Aubergine (#3D0734), ΔE 0.058 away. White text reads best on it, at 14.67:1.
| Hue family | Reds |
| Lightness | dark (29%) |
| Chroma | muted (0.061) |
| Temperature | warm |
| Nearest name | Aubergine (#3D0734) |
| Black text | 1.43:1 |
| White text | 14.67:1 |
Values
| HEX | #421C2A |
| RGB | rgb(66, 28, 42) |
| HSL | hsl(338, 40%, 18%) |
| OKLCH | oklch(28.6% 0.061 358.4) |
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 #421C2A | 14.67:1 | AAA | Lc -104.1 | Preferred for body text |
| Black text on #421C2A | 1.43:1 | Fails | Lc 0.0 | Not readable |
| #421C2A text on white | 14.67:1 | AAA | Lc 101.2 | Preferred for body text |
| #421C2A 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
#FBF3F5
oklch(97.1% 0.009 0.1)
-
Step 100
100
#F7E4EA
oklch(93.6% 0.022 356.3)
-
Step 200
200
#F1CFD9
oklch(88.6% 0.04 358.3)
-
Step 300
300
#E9ADC0
oklch(80.9% 0.074 358.1)
-
Step 400
400
#DB81A0
oklch(70.8% 0.116 358.4)
-
Step 500
500
#CE5E88
oklch(63.1% 0.148 358.6)
-
Step 600
600
#B94172
oklch(55.6% 0.161 358.5)
-
Step 700
700
#9F3160
oklch(49% 0.151 358)
-
Step 800
800
#812A4E
oklch(42.6% 0.125 358.3)
-
Step 900
900
#682841
oklch(37.7% 0.096 358.3)
-
Step 950
950 (this color)
#421C2A
oklch(28.6% 0.061 358.4)
#421C2A 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) | #22242A | 0.067 |
| Deuteranopia (no green cones) | #2C2B29 | 0.061 |
| Tritanopia (no blue cones) | #471921 | 0.018 |
| Achromatopsia (no color) | #282828 | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #421C2A
#421C2A
oklch(28.6% 0.061 358.4)
- #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 #421C2A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Aubergine #3D0734 ΔE 0.058
- Chocolate Brown #411900 ΔE 0.060
- Dark Plum #3F012C ΔE 0.061
- Eggplant #380835 ΔE 0.064
- Mahogany #4A0100 ΔE 0.067
- Space Cadet #2B2D42 ΔE 0.068
- Jet #212529 ΔE 0.070
- Eggplant Purple #430541 ΔE 0.070
Use #421C2A 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.