#731C74
Closest named color: Purple (#800080). oklch(40.7% 0.159 327.5), rgb(115, 28, 116).
Aa
White text reads best on this color (9.77:1).
About this color
#731C74 is a dark, vivid purple. In OKLCH its lightness is 41%, its chroma 0.159 and its hue 328°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Purple (#800080), ΔE 0.038 away. White text reads best on it, at 9.77:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | vivid (0.159) |
| Temperature | in between |
| Nearest name | Purple (#800080) |
| Black text | 2.14:1 |
| White text | 9.77:1 |
Values
| HEX | #731C74 |
| RGB | rgb(115, 28, 116) |
| HSL | hsl(299, 61%, 28%) |
| OKLCH | oklch(40.7% 0.159 327.5) |
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 #731C74 | 9.77:1 | AAA | Lc -95.9 | Preferred for body text |
| Black text on #731C74 | 2.14:1 | Fails | Lc 12.3 | Not readable |
| #731C74 text on white | 9.77:1 | AAA | Lc 91.6 | Preferred for body text |
| #731C74 text on black | 2.14:1 | Fails | Lc -10.8 | 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
#FAF3FA
oklch(97.2% 0.012 325.7)
-
Step 100
100
#F4E4F3
oklch(93.6% 0.026 327.7)
-
Step 200
200
#ECCEEB
oklch(88.5% 0.051 327)
-
Step 300
300
#E1ACE0
oklch(80.9% 0.092 327)
-
Step 400
400
#D17DD0
oklch(70.8% 0.148 327.4)
-
Step 500
500
#C357C3
oklch(63.1% 0.19 327.5)
-
Step 600
600
#AE37AF
oklch(55.6% 0.205 327.6)
-
Step 700
700
#952797
oklch(49.1% 0.192 327.2)
-
Step 800
800 (this color)
#731C74
oklch(40.7% 0.159 327.5)
-
Step 900
900
#622362
oklch(37.6% 0.123 327.7)
-
Step 950
950
#3A163A
oklch(27.1% 0.079 327.5)
#731C74 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) | #083D76 | 0.170 |
| Deuteranopia (no green cones) | #334872 | 0.143 |
| Tritanopia (no blue cones) | #772A46 | 0.090 |
| Achromatopsia (no color) | #444444 | 0.160 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #731C74
#731C74
oklch(40.7% 0.159 327.5)
- #005A1E
#005A1E
oklch(40.8% 0.12 147.4)
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 #731C74, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple #800080 ΔE 0.038
- Rich Purple #720058 ΔE 0.052
- Velvet #750851 ΔE 0.060
- Dark Magenta #8B008B ΔE 0.062
- Rebecca Purple #663399 ΔE 0.075
- Grape Purple #5D1451 ΔE 0.075
- Red Purple #820747 ΔE 0.083
- Warm Purple #952E8F ΔE 0.088
Use #731C74 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.