#420637
Closest named color: Aubergine (#3D0734). oklch(26.4% 0.106 337.1), rgb(66, 6, 55).
Aa
White text reads best on this color (15.99:1).
About this color
#420637 is a dark, moderately saturated purple. In OKLCH its lightness is 26%, its chroma 0.106 and its hue 337°. Its hue sits on the warm side of the wheel. The nearest named color is Aubergine (#3D0734), ΔE 0.013 away. White text reads best on it, at 15.99:1.
| Hue family | Purples |
| Lightness | dark (26%) |
| Chroma | moderately saturated (0.106) |
| Temperature | warm |
| Nearest name | Aubergine (#3D0734) |
| Black text | 1.31:1 |
| White text | 15.99:1 |
Values
| HEX | #420637 |
| RGB | rgb(66, 6, 55) |
| HSL | hsl(311, 83%, 14%) |
| OKLCH | oklch(26.4% 0.106 337.1) |
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 #420637 | 15.99:1 | AAA | Lc -104.8 | Preferred for body text |
| Black text on #420637 | 1.31:1 | Fails | Lc 0.0 | Not readable |
| #420637 text on white | 15.99:1 | AAA | Lc 102.1 | Preferred for body text |
| #420637 text on black | 1.31:1 | 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
#FDF1FA
oklch(97% 0.017 334.2)
-
Step 100
100
#FBE1F3
oklch(93.6% 0.037 336.9)
-
Step 200
200
#F8C8EA
oklch(88.5% 0.07 336.9)
-
Step 300
300
#F4A1DE
oklch(80.9% 0.124 337)
-
Step 400
400
#EB66CD
oklch(70.7% 0.201 337.1)
-
Step 500
500
#E128C0
oklch(63.2% 0.257 337.1)
-
Step 600
600
#C300A5
oklch(55.6% 0.245 337.2)
-
Step 700
700
#A5008B
oklch(49.1% 0.216 337.3)
-
Step 800
800
#880073
oklch(42.7% 0.188 337)
-
Step 900
900
#720060
oklch(37.6% 0.166 337)
-
Step 950
950 (this color)
#420637
oklch(26.4% 0.106 337.1)
#420637 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) | #081C38 | 0.118 |
| Deuteranopia (no green cones) | #1E2536 | 0.100 |
| Tritanopia (no blue cones) | #460A1E | 0.052 |
| Achromatopsia (no color) | #222222 | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #420637
#420637
oklch(26.4% 0.106 337.1)
- #002E18
#002E18
oklch(26.5% 0.063 156.7)
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 #420637, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Aubergine #3D0734 ΔE 0.013
- Eggplant Purple #430541 ΔE 0.019
- Dark Plum #3F012C ΔE 0.022
- Eggplant #380835 ΔE 0.024
- Deep Violet #490648 ΔE 0.034
- Dark Purple #35063E ΔE 0.036
- Deep Purple #36013F ΔE 0.038
- Plum Purple #4E0550 ΔE 0.052
Use #420637 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.