#733388
Closest named color: Rebecca Purple (#663399). oklch(44.5% 0.146 316.9), rgb(115, 51, 136).
Aa
White text reads best on this color (8.20:1).
About this color
#733388 is a dark, vivid purple. In OKLCH its lightness is 45%, its chroma 0.146 and its hue 317°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.039 away. White text reads best on it, at 8.20:1.
| Hue family | Purples |
| Lightness | dark (45%) |
| Chroma | vivid (0.146) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.55:1 |
| White text | 8.20:1 |
Values
| HEX | #733388 |
| RGB | rgb(115, 51, 136) |
| HSL | hsl(285, 45%, 37%) |
| OKLCH | oklch(44.5% 0.146 316.9) |
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 #733388 | 8.20:1 | AAA | Lc -92.5 | Preferred for body text |
| Black text on #733388 | 2.55:1 | Fails | Lc 16.2 | Dividers and decoration only |
| #733388 text on white | 8.20:1 | AAA | Lc 87.8 | Fine for body text |
| #733388 text on black | 2.55:1 | Fails | Lc -14.3 | 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
#F9F3FB
oklch(97.1% 0.012 317.7)
-
Step 100
100
#F1E5F5
oklch(93.6% 0.025 317.7)
-
Step 200
200
#E6D0EE
oklch(88.5% 0.047 317.1)
-
Step 300
300
#D7B0E5
oklch(80.9% 0.084 317)
-
Step 400
400
#C384D9
oklch(70.7% 0.137 317)
-
Step 500
500
#B362CE
oklch(63.2% 0.175 317.1)
-
Step 600
600
#9E45BB
oklch(55.6% 0.19 316.9)
-
Step 700
700
#8736A1
oklch(49.2% 0.176 316.9)
-
Step 800
800 (this color)
#733388
oklch(44.5% 0.146 316.9)
-
Step 900
900
#592A69
oklch(37.7% 0.114 316.8)
-
Step 950
950
#34193D
oklch(26.9% 0.072 317.1)
#733388 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) | #1A4B8B | 0.138 |
| Deuteranopia (no green cones) | #355186 | 0.120 |
| Tritanopia (no blue cones) | #724258 | 0.095 |
| Achromatopsia (no color) | #4F4F4F | 0.147 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #733388
#733388
oklch(44.5% 0.146 316.9)
- #2A6400
#2A6400
oklch(44.6% 0.135 137)
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 #733388, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.039
- Purple #800080 ΔE 0.063
- Light Eggplant #894585 ΔE 0.065
- Warm Purple #952E8F ΔE 0.068
- Dark Magenta #8B008B ΔE 0.069
- Dark Slate Blue #483D8B ΔE 0.081
- Blueberry #464196 ΔE 0.087
- Grape #7209B7 ΔE 0.092
Use #733388 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.