#733F90
Closest named color: Rebecca Purple (#663399). oklch(46.7% 0.135 311.9), rgb(115, 63, 144).
Aa
White text reads best on this color (7.38:1).
About this color
#733F90 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 47%, its chroma 0.135 and its hue 312°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.043 away. White text reads best on it, at 7.38:1.
| Hue family | Purples |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.135) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.84:1 |
| White text | 7.38:1 |
Values
| HEX | #733F90 |
| RGB | rgb(115, 63, 144) |
| HSL | hsl(279, 39%, 41%) |
| OKLCH | oklch(46.7% 0.135 311.9) |
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 #733F90 | 7.38:1 | AAA | Lc -90.2 | Preferred for body text |
| Black text on #733F90 | 2.84:1 | Fails | Lc 18.7 | Dividers and decoration only |
| #733F90 text on white | 7.38:1 | AAA | Lc 85.3 | Fine for body text |
| #733F90 text on black | 2.84:1 | Fails | Lc -16.7 | 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
#E1D3EB
oklch(88.5% 0.036 311.4)
-
Step 300
300
#CFB5E0
oklch(80.9% 0.066 311.9)
-
Step 400
400
#B68DD0
oklch(70.6% 0.105 311.7)
-
Step 500
500
#A470C4
oklch(63.1% 0.134 311.6)
-
Step 600
600
#8F56B0
oklch(55.5% 0.146 311.8)
-
Step 700
700 (this color)
#733F90
oklch(46.7% 0.135 311.9)
-
Step 800
800
#633A7B
oklch(42.7% 0.112 311.6)
-
Step 900
900
#513263
oklch(37.7% 0.088 312)
-
Step 950
950
#2F1E3A
oklch(27% 0.055 311.1)
#733F90 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) | #285393 | 0.117 |
| Deuteranopia (no green cones) | #3A578E | 0.104 |
| Tritanopia (no blue cones) | #704D61 | 0.093 |
| Achromatopsia (no color) | #565656 | 0.136 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #733F90
#733F90
oklch(46.7% 0.135 311.9)
- #3D6800
#3D6800
oklch(46.7% 0.13 132)
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 #733F90, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.043
- Light Eggplant #894585 ΔE 0.052
- Warm Purple #952E8F ΔE 0.069
- Twilight #4E518B ΔE 0.075
- Dark Slate Blue #483D8B ΔE 0.080
- Blueberry #464196 ΔE 0.081
- Muted Purple #805B87 ΔE 0.082
- Dusk #4E5481 ΔE 0.086
Use #733F90 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.