#733D90
Closest named color: Rebecca Purple (#663399). oklch(46.4% 0.139 312.3), rgb(115, 61, 144).
Aa
White text reads best on this color (7.50:1).
About this color
#733D90 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 46%, its chroma 0.139 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 0.040 away. White text reads best on it, at 7.50:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.139) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.79:1 |
| White text | 7.50:1 |
Values
| HEX | #733D90 |
| RGB | rgb(115, 61, 144) |
| HSL | hsl(279, 40%, 40%) |
| OKLCH | oklch(46.4% 0.139 312.3) |
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 #733D90 | 7.50:1 | AAA | Lc -90.5 | Preferred for body text |
| Black text on #733D90 | 2.79:1 | Fails | Lc 18.3 | Dividers and decoration only |
| #733D90 text on white | 7.50:1 | AAA | Lc 85.7 | Fine for body text |
| #733D90 text on black | 2.79:1 | Fails | Lc -16.4 | 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
#E2D3EB
oklch(88.6% 0.036 313)
-
Step 300
300
#CFB5E0
oklch(80.9% 0.066 311.9)
-
Step 400
400
#B78DD1
oklch(70.7% 0.107 312)
-
Step 500
500
#A56FC5
oklch(63.1% 0.137 311.9)
-
Step 600
600
#9055B1
oklch(55.5% 0.149 312.1)
-
Step 700
700 (this color)
#733D90
oklch(46.4% 0.139 312.3)
-
Step 800
800
#64397C
oklch(42.7% 0.116 312.1)
-
Step 900
900
#513263
oklch(37.7% 0.088 312)
-
Step 950
950
#301E3A
oklch(27.1% 0.055 312.7)
#733D90 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) | #255293 | 0.121 |
| Deuteranopia (no green cones) | #38568E | 0.107 |
| Tritanopia (no blue cones) | #704B60 | 0.095 |
| Achromatopsia (no color) | #555555 | 0.140 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #733D90
#733D90
oklch(46.4% 0.139 312.3)
- #3C6700
#3C6700
oklch(46.4% 0.129 132.1)
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 #733D90, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.040
- Light Eggplant #894585 ΔE 0.054
- Warm Purple #952E8F ΔE 0.068
- Twilight #4E518B ΔE 0.078
- Dark Slate Blue #483D8B ΔE 0.079
- Blueberry #464196 ΔE 0.081
- Dark Magenta #8B008B ΔE 0.084
- Purple #800080 ΔE 0.084
Use #733D90 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.