#733381
Closest named color: Rebecca Purple (#663399). oklch(44.1% 0.139 320.1), rgb(115, 51, 129).
Aa
White text reads best on this color (8.33:1).
About this color
#733381 is a dark, moderately saturated purple. In OKLCH its lightness is 44%, its chroma 0.139 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 0.049 away. White text reads best on it, at 8.33:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.139) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.51:1 |
| White text | 8.33:1 |
Values
| HEX | #733381 |
| RGB | rgb(115, 51, 129) |
| HSL | hsl(289, 43%, 35%) |
| OKLCH | oklch(44.1% 0.139 320.1) |
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 #733381 | 8.33:1 | AAA | Lc -92.9 | Preferred for body text |
| Black text on #733381 | 2.51:1 | Fails | Lc 15.7 | Dividers and decoration only |
| #733381 text on white | 8.33:1 | AAA | Lc 88.2 | Fine for body text |
| #733381 text on black | 2.51:1 | Fails | Lc -13.9 | 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
#D8B0E1
oklch(80.8% 0.08 320.1)
-
Step 400
400
#C485D2
oklch(70.7% 0.128 320.2)
-
Step 500
500
#B463C6
oklch(63% 0.165 320.1)
-
Step 600
600
#A047B3
oklch(55.7% 0.18 320.2)
-
Step 700
700
#88379A
oklch(49% 0.168 319.9)
-
Step 800
800 (this color)
#733381
oklch(44.1% 0.139 320.1)
-
Step 900
900
#5A2B64
oklch(37.7% 0.107 320.4)
-
Step 950
950
#351A3B
oklch(27.1% 0.068 320.1)
#733381 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) | #224983 | 0.133 |
| Deuteranopia (no green cones) | #39507F | 0.116 |
| Tritanopia (no blue cones) | #743F55 | 0.086 |
| Achromatopsia (no color) | #4E4E4E | 0.140 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #733381
#733381
oklch(44.1% 0.139 320.1)
- #1D6406
#1D6406
oklch(44.2% 0.139 140.1)
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 #733381, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.049
- Purple #800080 ΔE 0.063
- Light Eggplant #894585 ΔE 0.063
- Warm Purple #952E8F ΔE 0.070
- Dark Magenta #8B008B ΔE 0.071
- Dark Slate Blue #483D8B ΔE 0.083
- Blueberry #464196 ΔE 0.091
- Rich Purple #720058 ΔE 0.091
Use #733381 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.