#731F5F
Closest named color: Velvet (#750851). oklch(39.7% 0.138 339), rgb(115, 31, 95).
Aa
White text reads best on this color (10.04:1).
About this color
#731F5F is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.138 and its hue 339°. Its hue sits on the warm side of the wheel. The nearest named color is Velvet (#750851), ΔE 0.032 away. White text reads best on it, at 10.04:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.138) |
| Temperature | warm |
| Nearest name | Velvet (#750851) |
| Black text | 2.09:1 |
| White text | 10.04:1 |
Values
| HEX | #731F5F |
| RGB | rgb(115, 31, 95) |
| HSL | hsl(314, 58%, 29%) |
| OKLCH | oklch(39.7% 0.138 339) |
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 #731F5F | 10.04:1 | AAA | Lc -96.6 | Preferred for body text |
| Black text on #731F5F | 2.09:1 | Fails | Lc 11.6 | Not readable |
| #731F5F text on white | 10.04:1 | AAA | Lc 92.4 | Preferred for body text |
| #731F5F text on black | 2.09:1 | Fails | Lc -10.0 | 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 900.
-
Step 50
50
#FCF2F9
oklch(97.1% 0.014 336.1)
-
Step 100
100
#F8E3F1
oklch(93.7% 0.029 337.9)
-
Step 200
200
#F4CBE6
oklch(88.5% 0.058 338.9)
-
Step 300
300
#EDA6D7
oklch(80.8% 0.104 338.6)
-
Step 400
400
#E173C2
oklch(70.6% 0.165 339)
-
Step 500
500
#D646B3
oklch(63.1% 0.213 339)
-
Step 600
600
#C1199E
oklch(55.6% 0.23 339.2)
-
Step 700
700
#A60088
oklch(49.1% 0.215 338.8)
-
Step 800
800
#870D6E
oklch(42.7% 0.178 339.1)
-
Step 900
900 (this color)
#731F5F
oklch(39.7% 0.138 339)
-
Step 950
950
#401134
oklch(27% 0.087 339.3)
#731F5F 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) | #233A61 | 0.151 |
| Deuteranopia (no green cones) | #3E475D | 0.131 |
| Tritanopia (no blue cones) | #7A223C | 0.065 |
| Achromatopsia (no color) | #424242 | 0.139 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #731F5F
#731F5F
oklch(39.7% 0.138 339)
- #005534
#005534
oklch(39.6% 0.091 158.9)
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 #731F5F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Velvet #750851 ΔE 0.032
- Rich Purple #720058 ΔE 0.035
- Red Purple #820747 ΔE 0.052
- Grape Purple #5D1451 ΔE 0.058
- Wine #80013F ΔE 0.061
- Merlot #730039 ΔE 0.066
- Purple #800080 ΔE 0.067
- Mulberry #920A4E ΔE 0.071
Use #731F5F 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.