#330731
Closest named color: Eggplant (#380835). oklch(23.3% 0.09 330), rgb(51, 7, 49).
Aa
White text reads best on this color (17.27:1).
About this color
#330731 is a very dark, moderately saturated purple. In OKLCH its lightness is 23%, its chroma 0.090 and its hue 330°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Eggplant (#380835), ΔE 0.014 away. White text reads best on it, at 17.27:1.
| Hue family | Purples |
| Lightness | very dark (23%) |
| Chroma | moderately saturated (0.090) |
| Temperature | in between |
| Nearest name | Eggplant (#380835) |
| Black text | 1.21:1 |
| White text | 17.27:1 |
Values
| HEX | #330731 |
| RGB | rgb(51, 7, 49) |
| HSL | hsl(303, 76%, 11%) |
| OKLCH | oklch(23.3% 0.09 330) |
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 #330731 | 17.27:1 | AAA | Lc -106.0 | Preferred for body text |
| Black text on #330731 | 1.21:1 | Fails | Lc 0.0 | Not readable |
| #330731 text on white | 17.27:1 | AAA | Lc 103.6 | Preferred for body text |
| #330731 text on black | 1.21:1 | 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
#FBF2FA
oklch(97% 0.014 329.1)
-
Step 100
100
#F6E3F4
oklch(93.6% 0.03 329.1)
-
Step 200
200
#F0CCEC
oklch(88.5% 0.058 329.7)
-
Step 300
300
#E8A8E1
oklch(81% 0.105 330.3)
-
Step 400
400
#DA75D2
oklch(70.7% 0.17 330.2)
-
Step 500
500
#CD49C6
oklch(63% 0.217 330)
-
Step 600
600
#B91EB3
oklch(55.7% 0.237 330)
-
Step 700
700
#9F089A
oklch(49.2% 0.22 330)
-
Step 800
800
#81117D
oklch(42.8% 0.182 329.9)
-
Step 900
900
#681A64
oklch(37.7% 0.142 330.2)
-
Step 950
950 (this color)
#330731
oklch(23.3% 0.09 330)
#330731 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) | #031732 | 0.097 |
| Deuteranopia (no green cones) | #141D30 | 0.082 |
| Tritanopia (no blue cones) | #350D1B | 0.049 |
| Achromatopsia (no color) | #1B1B1B | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #330731
#330731
oklch(23.3% 0.09 330)
- #00250C
#00250C
oklch(23.1% 0.063 150.4)
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 #330731, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Eggplant #380835 ΔE 0.014
- Aubergine #3D0734 ΔE 0.025
- Dark Purple #35063E ΔE 0.025
- Deep Purple #36013F ΔE 0.030
- Very Dark Purple #2A0134 ΔE 0.030
- Dark Plum #3F012C ΔE 0.031
- Midnight Purple #280137 ΔE 0.037
- Eggplant Purple #430541 ΔE 0.047
Use #330731 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.