#731D68
Closest named color: Rich Purple (#720058). oklch(40% 0.148 333.7), rgb(115, 29, 104).
Aa
White text reads best on this color (9.97:1).
About this color
#731D68 is a dark, vivid purple. In OKLCH its lightness is 40%, its chroma 0.148 and its hue 334°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rich Purple (#720058), ΔE 0.038 away. White text reads best on it, at 9.97:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | vivid (0.148) |
| Temperature | in between |
| Nearest name | Rich Purple (#720058) |
| Black text | 2.10:1 |
| White text | 9.97:1 |
Values
| HEX | #731D68 |
| RGB | rgb(115, 29, 104) |
| HSL | hsl(308, 60%, 28%) |
| OKLCH | oklch(40% 0.148 333.7) |
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 #731D68 | 9.97:1 | AAA | Lc -96.4 | Preferred for body text |
| Black text on #731D68 | 2.10:1 | Fails | Lc 11.8 | Not readable |
| #731D68 text on white | 9.97:1 | AAA | Lc 92.2 | Preferred for body text |
| #731D68 text on black | 2.10:1 | Fails | Lc -10.3 | 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 900.
-
Step 50
50
#FCF2FA
oklch(97.1% 0.015 332.2)
-
Step 100
100
#F8E2F3
oklch(93.5% 0.033 333.6)
-
Step 200
200
#F3CBEA
oklch(88.5% 0.06 334)
-
Step 300
300
#ECA6DF
oklch(81% 0.11 333.3)
-
Step 400
400
#E071CE
oklch(70.7% 0.177 333.7)
-
Step 500
500
#D442C1
oklch(63.1% 0.226 333.6)
-
Step 600
600
#BF07AD
oklch(55.5% 0.246 333.6)
-
Step 700
700
#A20093
oklch(49.1% 0.22 333.5)
-
Step 800
800
#860379
oklch(42.8% 0.19 333.6)
-
Step 900
900 (this color)
#731D68
oklch(40% 0.148 333.7)
-
Step 950
950
#3F0F39
oklch(26.9% 0.093 333.2)
#731D68 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) | #1B3B6A | 0.159 |
| Deuteranopia (no green cones) | #3A4766 | 0.136 |
| Tritanopia (no blue cones) | #792540 | 0.076 |
| Achromatopsia (no color) | #424242 | 0.149 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #731D68
#731D68
oklch(40% 0.148 333.7)
- #00572D
#00572D
oklch(40.1% 0.101 153.9)
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 #731D68, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Purple #720058 ΔE 0.038
- Velvet #750851 ΔE 0.042
- Purple #800080 ΔE 0.053
- Grape Purple #5D1451 ΔE 0.063
- Red Purple #820747 ΔE 0.064
- Wine #80013F ΔE 0.074
- Dark Magenta #8B008B ΔE 0.076
- Merlot #730039 ΔE 0.079
Use #731D68 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.