#733181
Closest named color: Rebecca Purple (#663399). oklch(43.8% 0.142 320.3), rgb(115, 49, 129).
Aa
White text reads best on this color (8.44:1).
About this color
#733181 is a dark, vivid purple. In OKLCH its lightness is 44%, its chroma 0.142 and its hue 320°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.048 away. White text reads best on it, at 8.44:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | vivid (0.142) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.48:1 |
| White text | 8.44:1 |
Values
| HEX | #733181 |
| RGB | rgb(115, 49, 129) |
| HSL | hsl(290, 45%, 35%) |
| OKLCH | oklch(43.8% 0.142 320.3) |
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 #733181 | 8.44:1 | AAA | Lc -93.2 | Preferred for body text |
| Black text on #733181 | 2.48:1 | Fails | Lc 15.4 | Dividers and decoration only |
| #733181 text on white | 8.44:1 | AAA | Lc 88.5 | Fine for body text |
| #733181 text on black | 2.48:1 | Fails | Lc -13.6 | 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
#F9F3FA
oklch(97.1% 0.011 321.3)
-
Step 100
100
#F1E5F4
oklch(93.6% 0.024 319.5)
-
Step 200
200
#E7D0EC
oklch(88.5% 0.045 320.2)
-
Step 300
300
#D9B0E2
oklch(81% 0.082 320.2)
-
Step 400
400
#C584D3
oklch(70.7% 0.132 320.3)
-
Step 500
500
#B562C8
oklch(63.1% 0.169 319.9)
-
Step 600
600
#A145B4
oklch(55.6% 0.184 320.4)
-
Step 700
700
#89369B
oklch(49.1% 0.171 320.1)
-
Step 800
800 (this color)
#733181
oklch(43.8% 0.142 320.3)
-
Step 900
900
#5B2A65
oklch(37.8% 0.111 320.6)
-
Step 950
950
#35193B
oklch(26.9% 0.07 320.3)
#733181 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) | #1F4883 | 0.137 |
| Deuteranopia (no green cones) | #384F7F | 0.118 |
| Tritanopia (no blue cones) | #743E54 | 0.089 |
| Achromatopsia (no color) | #4D4D4D | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #733181
#733181
oklch(43.8% 0.142 320.3)
- #186300
#186300
oklch(43.7% 0.142 140.3)
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 #733181, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.048
- Purple #800080 ΔE 0.059
- Light Eggplant #894585 ΔE 0.066
- Dark Magenta #8B008B ΔE 0.069
- Warm Purple #952E8F ΔE 0.071
- Dark Slate Blue #483D8B ΔE 0.084
- Rich Purple #720058 ΔE 0.088
- Velvet #750851 ΔE 0.092
Use #733181 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.