#421D31
Closest named color: Aubergine (#3D0734). oklch(29.1% 0.064 348.2), rgb(66, 29, 49).
Aa
White text reads best on this color (14.46:1).
About this color
#421D31 is a dark, muted red. In OKLCH its lightness is 29%, its chroma 0.064 and its hue 348°. Its hue sits on the warm side of the wheel. The nearest named color is Aubergine (#3D0734), ΔE 0.054 away. White text reads best on it, at 14.46:1.
| Hue family | Reds |
| Lightness | dark (29%) |
| Chroma | muted (0.064) |
| Temperature | warm |
| Nearest name | Aubergine (#3D0734) |
| Black text | 1.45:1 |
| White text | 14.46:1 |
Values
| HEX | #421D31 |
| RGB | rgb(66, 29, 49) |
| HSL | hsl(328, 39%, 19%) |
| OKLCH | oklch(29.1% 0.064 348.2) |
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 #421D31 | 14.46:1 | AAA | Lc -104.0 | Preferred for body text |
| Black text on #421D31 | 1.45:1 | Fails | Lc 0.0 | Not readable |
| #421D31 text on white | 14.46:1 | AAA | Lc 101.0 | Preferred for body text |
| #421D31 text on black | 1.45:1 | 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
#FBF3F7
oklch(97.1% 0.01 345.4)
-
Step 100
100
#F6E4EC
oklch(93.6% 0.022 348.8)
-
Step 200
200
#EFCEDE
oklch(88.4% 0.042 347.2)
-
Step 300
300
#E6ADC9
oklch(80.8% 0.076 347.9)
-
Step 400
400
#D780AE
oklch(70.6% 0.121 347.7)
-
Step 500
500
#CA5D99
oklch(63% 0.154 348.2)
-
Step 600
600
#B54084
oklch(55.5% 0.167 348)
-
Step 700
700
#9C3170
oklch(49.1% 0.156 348.1)
-
Step 800
800
#7F2A5B
oklch(42.8% 0.129 348.3)
-
Step 900
900
#66274B
oklch(37.6% 0.101 347.7)
-
Step 950
950 (this color)
#421D31
oklch(29.1% 0.064 348.2)
#421D31 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) | #212632 | 0.068 |
| Deuteranopia (no green cones) | #2A2C30 | 0.063 |
| Tritanopia (no blue cones) | #461C25 | 0.023 |
| Achromatopsia (no color) | #292929 | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #421D31
#421D31
oklch(29.1% 0.064 348.2)
- #003526
#003526
oklch(29.2% 0.059 167.9)
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 #421D31, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Aubergine #3D0734 ΔE 0.054
- Dark Plum #3F012C ΔE 0.060
- Eggplant #380835 ΔE 0.060
- Eggplant Purple #430541 ΔE 0.062
- Space Cadet #2B2D42 ΔE 0.063
- Deep Violet #490648 ΔE 0.067
- Jet #212529 ΔE 0.072
- Chocolate Brown #411900 ΔE 0.073
Use #421D31 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.