#421637
Closest named color: Aubergine (#3D0734). oklch(28.3% 0.082 338.5), rgb(66, 22, 55).
Aa
White text reads best on this color (14.98:1).
About this color
#421637 is a dark, moderately saturated purple. In OKLCH its lightness is 28%, its chroma 0.082 and its hue 338°. Its hue sits on the warm side of the wheel. The nearest named color is Aubergine (#3D0734), ΔE 0.034 away. White text reads best on it, at 14.98:1.
| Hue family | Purples |
| Lightness | dark (28%) |
| Chroma | moderately saturated (0.082) |
| Temperature | warm |
| Nearest name | Aubergine (#3D0734) |
| Black text | 1.40:1 |
| White text | 14.98:1 |
Values
| HEX | #421637 |
| RGB | rgb(66, 22, 55) |
| HSL | hsl(315, 50%, 17%) |
| OKLCH | oklch(28.3% 0.082 338.5) |
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 #421637 | 14.98:1 | AAA | Lc -104.3 | Preferred for body text |
| Black text on #421637 | 1.40:1 | Fails | Lc 0.0 | Not readable |
| #421637 text on white | 14.98:1 | AAA | Lc 101.5 | Preferred for body text |
| #421637 text on black | 1.40:1 | 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
#FCF2F8
oklch(97.1% 0.013 340.5)
-
Step 100
100
#F7E3F0
oklch(93.6% 0.028 338.6)
-
Step 200
200
#F2CCE5
oklch(88.5% 0.054 338.8)
-
Step 300
300
#EBA8D6
oklch(80.9% 0.098 338.6)
-
Step 400
400
#DD77C1
oklch(70.7% 0.155 338.4)
-
Step 500
500
#D14DB1
oklch(63% 0.199 338.5)
-
Step 600
600
#BC289D
oklch(55.6% 0.215 338.3)
-
Step 700
700
#A21786
oklch(49.1% 0.201 338.5)
-
Step 800
800
#84186D
oklch(42.8% 0.167 338.6)
-
Step 900
900
#6A1D58
oklch(37.7% 0.129 338.6)
-
Step 950
950 (this color)
#421637
oklch(28.3% 0.082 338.5)
#421637 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) | #182238 | 0.086 |
| Deuteranopia (no green cones) | #252936 | 0.076 |
| Tritanopia (no blue cones) | #461724 | 0.038 |
| Achromatopsia (no color) | #272727 | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #421637
#421637
oklch(28.3% 0.082 338.5)
- #00331D
#00331D
oklch(28.3% 0.066 158.6)
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 #421637, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Aubergine #3D0734 ΔE 0.034
- Eggplant Purple #430541 ΔE 0.038
- Eggplant #380835 ΔE 0.041
- Dark Plum #3F012C ΔE 0.043
- Deep Violet #490648 ΔE 0.045
- Dark Purple #35063E ΔE 0.053
- Deep Purple #36013F ΔE 0.059
- Plum Purple #4E0550 ΔE 0.059
Use #421637 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.