#731F64
Closest named color: Rich Purple (#720058). oklch(40% 0.142 336), rgb(115, 31, 100).
Aa
White text reads best on this color (9.95:1).
About this color
#731F64 is a dark, vivid purple. In OKLCH its lightness is 40%, its chroma 0.142 and its hue 336°. Its hue sits on the warm side of the wheel. The nearest named color is Rich Purple (#720058), ΔE 0.037 away. White text reads best on it, at 9.95:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | vivid (0.142) |
| Temperature | warm |
| Nearest name | Rich Purple (#720058) |
| Black text | 2.10:1 |
| White text | 9.95:1 |
Values
| HEX | #731F64 |
| RGB | rgb(115, 31, 100) |
| HSL | hsl(311, 58%, 29%) |
| OKLCH | oklch(40% 0.142 336) |
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 #731F64 | 9.95:1 | AAA | Lc -96.4 | Preferred for body text |
| Black text on #731F64 | 2.10:1 | Fails | Lc 11.8 | Not readable |
| #731F64 text on white | 9.95:1 | AAA | Lc 92.2 | Preferred for body text |
| #731F64 text on black | 2.10:1 | Fails | Lc -10.2 | 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
#F8E3F2
oklch(93.7% 0.03 335.9)
-
Step 200
200
#F3CBE8
oklch(88.5% 0.059 336)
-
Step 300
300
#ECA6DB
oklch(80.8% 0.107 335.6)
-
Step 400
400
#E072C8
oklch(70.6% 0.171 336.1)
-
Step 500
500
#D445BA
oklch(63% 0.217 336)
-
Step 600
600
#BF15A6
oklch(55.5% 0.236 335.9)
-
Step 700
700
#A4008E
oklch(49.1% 0.217 335.9)
-
Step 800
800
#860A74
oklch(42.8% 0.183 335.9)
-
Step 900
900 (this color)
#731F64
oklch(40% 0.142 336)
-
Step 950
950
#401037
oklch(27.1% 0.091 336.1)
#731F64 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) | #203B66 | 0.154 |
| Deuteranopia (no green cones) | #3C4762 | 0.132 |
| Tritanopia (no blue cones) | #79253F | 0.070 |
| Achromatopsia (no color) | #434343 | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #731F64
#731F64
oklch(40% 0.142 336)
- #005730
#005730
oklch(40.1% 0.098 155.5)
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 #731F64, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Purple #720058 ΔE 0.037
- Velvet #750851 ΔE 0.038
- Red Purple #820747 ΔE 0.058
- Purple #800080 ΔE 0.060
- Grape Purple #5D1451 ΔE 0.061
- Wine #80013F ΔE 0.068
- Merlot #730039 ΔE 0.074
- Mulberry #920A4E ΔE 0.075
Use #731F64 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.