#731F68
Closest named color: Rich Purple (#720058). oklch(40.2% 0.145 333.7), rgb(115, 31, 104).
Aa
White text reads best on this color (9.88:1).
About this color
#731F68 is a dark, vivid purple. In OKLCH its lightness is 40%, its chroma 0.145 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 0.040 away. White text reads best on it, at 9.88:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | vivid (0.145) |
| Temperature | in between |
| Nearest name | Rich Purple (#720058) |
| Black text | 2.12:1 |
| White text | 9.88:1 |
Values
| HEX | #731F68 |
| RGB | rgb(115, 31, 104) |
| HSL | hsl(308, 58%, 29%) |
| OKLCH | oklch(40.2% 0.145 333.7) |
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 #731F68 | 9.88:1 | AAA | Lc -96.2 | Preferred for body text |
| Black text on #731F68 | 2.12:1 | Fails | Lc 12.0 | Not readable |
| #731F68 text on white | 9.88:1 | AAA | Lc 92.0 | Preferred for body text |
| #731F68 text on black | 2.12:1 | Fails | Lc -10.4 | 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 800.
-
Step 50
50
#FAF3F9
oklch(97.1% 0.011 330.1)
-
Step 100
100
#F5E4F1
oklch(93.6% 0.025 333.7)
-
Step 200
200
#EDCEE6
oklch(88.4% 0.047 333.8)
-
Step 300
300
#E3ACD8
oklch(80.8% 0.086 333.5)
-
Step 400
400
#D37FC4
oklch(70.8% 0.135 333.7)
-
Step 500
500
#C55AB4
oklch(63% 0.174 333.9)
-
Step 600
600
#B03CA0
oklch(55.6% 0.188 333.7)
-
Step 700
700
#972D89
oklch(49.1% 0.175 333.7)
-
Step 800
800 (this color)
#731F68
oklch(40.2% 0.145 333.7)
-
Step 900
900
#63255A
oklch(37.6% 0.114 333.6)
-
Step 950
950
#3A1735
oklch(27% 0.071 333.1)
#731F68 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) | #1D3B6A | 0.156 |
| Deuteranopia (no green cones) | #3B4766 | 0.133 |
| Tritanopia (no blue cones) | #782641 | 0.073 |
| Achromatopsia (no color) | #434343 | 0.146 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #731F68
#731F68
oklch(40.2% 0.145 333.7)
- #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 #731F68, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Purple #720058 ΔE 0.040
- Velvet #750851 ΔE 0.043
- Purple #800080 ΔE 0.054
- Grape Purple #5D1451 ΔE 0.064
- Red Purple #820747 ΔE 0.064
- Wine #80013F ΔE 0.074
- Dark Magenta #8B008B ΔE 0.077
- Mulberry #920A4E ΔE 0.079
Use #731F68 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.