#733B8F
Closest named color: Rebecca Purple (#663399). oklch(46.1% 0.141 313), rgb(115, 59, 143).
Aa
White text reads best on this color (7.63:1).
About this color
#733B8F is a medium-dark, vivid purple. In OKLCH its lightness is 46%, its chroma 0.141 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 0.038 away. White text reads best on it, at 7.63:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | vivid (0.141) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.75:1 |
| White text | 7.63:1 |
Values
| HEX | #733B8F |
| RGB | rgb(115, 59, 143) |
| HSL | hsl(280, 42%, 40%) |
| OKLCH | oklch(46.1% 0.141 313) |
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 #733B8F | 7.63:1 | AAA | Lc -90.9 | Preferred for body text |
| Black text on #733B8F | 2.75:1 | Fails | Lc 17.9 | Dividers and decoration only |
| #733B8F text on white | 7.63:1 | AAA | Lc 86.1 | Fine for body text |
| #733B8F text on black | 2.75:1 | Fails | Lc -16.0 | 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
#F8F4FA
oklch(97.2% 0.009 314.8)
-
Step 100
100
#EEE6F4
oklch(93.5% 0.021 311.1)
-
Step 200
200
#E2D2EB
oklch(88.4% 0.038 313.6)
-
Step 300
300
#D0B4E0
oklch(80.8% 0.068 313.2)
-
Step 400
400
#B88CD1
oklch(70.6% 0.109 312.8)
-
Step 500
500
#A76EC5
oklch(63.2% 0.139 313.1)
-
Step 600
600
#9254B1
oklch(55.6% 0.151 313.3)
-
Step 700
700 (this color)
#733B8F
oklch(46.1% 0.141 313)
-
Step 800
800
#65387C
oklch(42.7% 0.118 313)
-
Step 900
900
#523163
oklch(37.6% 0.091 313.2)
-
Step 950
950
#301D3A
oklch(26.9% 0.058 313.2)
#733B8F 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) | #225192 | 0.125 |
| Deuteranopia (no green cones) | #37558D | 0.110 |
| Tritanopia (no blue cones) | #704A5F | 0.096 |
| Achromatopsia (no color) | #535353 | 0.142 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #733B8F
#733B8F
oklch(46.1% 0.141 313)
- #396600
#396600
oklch(46% 0.13 132.9)
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 #733B8F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.038
- Light Eggplant #894585 ΔE 0.056
- Warm Purple #952E8F ΔE 0.068
- Dark Slate Blue #483D8B ΔE 0.079
- Purple #800080 ΔE 0.079
- Dark Magenta #8B008B ΔE 0.080
- Twilight #4E518B ΔE 0.081
- Blueberry #464196 ΔE 0.081
Use #733B8F 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.