#731D5A
Closest named color: Velvet (#750851). oklch(39.3% 0.137 341.9), rgb(115, 29, 90).
Aa
White text reads best on this color (10.23:1).
About this color
#731D5A is a dark, moderately saturated purple. In OKLCH its lightness is 39%, its chroma 0.137 and its hue 342°. Its hue sits on the warm side of the wheel. The nearest named color is Velvet (#750851), ΔE 0.025 away. White text reads best on it, at 10.23:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.137) |
| Temperature | warm |
| Nearest name | Velvet (#750851) |
| Black text | 2.05:1 |
| White text | 10.23:1 |
Values
| HEX | #731D5A |
| RGB | rgb(115, 29, 90) |
| HSL | hsl(317, 60%, 28%) |
| OKLCH | oklch(39.3% 0.137 341.9) |
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 #731D5A | 10.23:1 | AAA | Lc -96.9 | Preferred for body text |
| Black text on #731D5A | 2.05:1 | Fails | Lc 11.2 | Not readable |
| #731D5A text on white | 10.23:1 | AAA | Lc 92.8 | Preferred for body text |
| #731D5A text on black | 2.05:1 | Fails | Lc -9.7 | 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
#FDF2F8
oklch(97.1% 0.014 343.2)
-
Step 100
100
#F9E2EF
oklch(93.5% 0.03 342.6)
-
Step 200
200
#F5CBE4
oklch(88.5% 0.057 341.9)
-
Step 300
300
#EFA6D3
oklch(80.9% 0.103 342.1)
-
Step 400
400
#E372BD
oklch(70.6% 0.165 341.8)
-
Step 500
500
#D846AC
oklch(63.1% 0.209 342.1)
-
Step 600
600
#C31798
oklch(55.6% 0.228 341.8)
-
Step 700
700
#A80081
oklch(49.1% 0.211 342.1)
-
Step 800
800
#890C69
oklch(42.8% 0.176 342.2)
-
Step 900
900 (this color)
#731D5A
oklch(39.3% 0.137 341.9)
-
Step 950
950
#411032
oklch(27% 0.087 342.1)
#731D5A 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) | #25385C | 0.150 |
| Deuteranopia (no green cones) | #3F4658 | 0.132 |
| Tritanopia (no blue cones) | #7A1E39 | 0.060 |
| Achromatopsia (no color) | #414141 | 0.138 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #731D5A
#731D5A
oklch(39.3% 0.137 341.9)
- #005437
#005437
oklch(39.4% 0.087 161.6)
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 #731D5A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Velvet #750851 ΔE 0.025
- Rich Purple #720058 ΔE 0.032
- Red Purple #820747 ΔE 0.045
- Wine #80013F ΔE 0.053
- Grape Purple #5D1451 ΔE 0.054
- Merlot #730039 ΔE 0.057
- Mulberry #920A4E ΔE 0.068
- Purple #800080 ΔE 0.074
Use #731D5A 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.