#733F8D
Closest named color: Rebecca Purple (#663399). oklch(46.6% 0.132 313.2), rgb(115, 63, 141).
Aa
White text reads best on this color (7.43:1).
About this color
#733F8D is a medium-dark, moderately saturated purple. In OKLCH its lightness is 47%, its chroma 0.132 and its hue 313°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.045 away. White text reads best on it, at 7.43:1.
| Hue family | Purples |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.132) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.82:1 |
| White text | 7.43:1 |
Values
| HEX | #733F8D |
| RGB | rgb(115, 63, 141) |
| HSL | hsl(280, 38%, 40%) |
| OKLCH | oklch(46.6% 0.132 313.2) |
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 #733F8D | 7.43:1 | AAA | Lc -90.3 | Preferred for body text |
| Black text on #733F8D | 2.82:1 | Fails | Lc 18.5 | Dividers and decoration only |
| #733F8D text on white | 7.43:1 | AAA | Lc 85.5 | Fine for body text |
| #733F8D text on black | 2.82:1 | Fails | Lc -16.5 | Dividers and decoration only |
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 700.
-
Step 50
50
#F7F4FA
oklch(97.1% 0.009 308.4)
-
Step 100
100
#EEE6F3
oklch(93.5% 0.019 312.8)
-
Step 200
200
#E1D3EA
oklch(88.5% 0.035 312.4)
-
Step 300
300
#CFB5DE
oklch(80.8% 0.063 313.2)
-
Step 400
400
#B78ECE
oklch(70.8% 0.101 313)
-
Step 500
500
#A570C1
oklch(63.1% 0.13 313.2)
-
Step 600
600
#9057AD
oklch(55.6% 0.141 313.2)
-
Step 700
700 (this color)
#733F8D
oklch(46.6% 0.132 313.2)
-
Step 800
800
#643A79
oklch(42.7% 0.11 313.4)
-
Step 900
900
#513361
oklch(37.7% 0.084 313)
-
Step 950
950
#301E39
oklch(27.1% 0.054 313.8)
#733F8D 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) | #2B5290 | 0.114 |
| Deuteranopia (no green cones) | #3C568B | 0.101 |
| Tritanopia (no blue cones) | #714C60 | 0.089 |
| Achromatopsia (no color) | #555555 | 0.133 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #733F8D
#733F8D
oklch(46.6% 0.132 313.2)
- #3A6800
#3A6800
oklch(46.6% 0.131 133)
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 #733F8D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.045
- Light Eggplant #894585 ΔE 0.050
- Warm Purple #952E8F ΔE 0.070
- Twilight #4E518B ΔE 0.075
- Dark Slate Blue #483D8B ΔE 0.079
- Muted Purple #805B87 ΔE 0.081
- Blueberry #464196 ΔE 0.081
- Dusk #4E5481 ΔE 0.084
Use #733F8D 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.