#733CA4
Closest named color: Rebecca Purple (#663399). oklch(47.6% 0.163 305.4), rgb(115, 60, 164).
Aa
White text reads best on this color (7.21:1).
About this color
#733CA4 is a medium-dark, vivid purple. In OKLCH its lightness is 48%, its chroma 0.163 and its hue 305°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.036 away. White text reads best on it, at 7.21:1.
| Hue family | Purples |
| Lightness | medium-dark (48%) |
| Chroma | vivid (0.163) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.91:1 |
| White text | 7.21:1 |
Values
| HEX | #733CA4 |
| RGB | rgb(115, 60, 164) |
| HSL | hsl(272, 46%, 44%) |
| OKLCH | oklch(47.6% 0.163 305.4) |
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 #733CA4 | 7.21:1 | AAA | Lc -89.5 | Fine for body text |
| Black text on #733CA4 | 2.91:1 | Fails | Lc 19.5 | Dividers and decoration only |
| #733CA4 text on white | 7.21:1 | AAA | Lc 84.5 | Fine for body text |
| #733CA4 text on black | 2.91:1 | Fails | Lc -17.5 | 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
#F7F4FB
oklch(97.1% 0.01 305.4)
-
Step 100
100
#EDE6F6
oklch(93.5% 0.023 305.6)
-
Step 200
200
#E0D2F1
oklch(88.5% 0.045 305.9)
-
Step 300
300
#CDB4EA
oklch(80.9% 0.079 305.7)
-
Step 400
400
#B38BDF
oklch(70.6% 0.126 305.3)
-
Step 500
500
#A16CD6
oklch(63.1% 0.161 305.4)
-
Step 600
600
#8C51C3
oklch(55.6% 0.175 305.3)
-
Step 700
700 (this color)
#733CA4
oklch(47.6% 0.163 305.4)
-
Step 800
800
#613689
oklch(42.7% 0.136 305.3)
-
Step 900
900
#4F306D
oklch(37.7% 0.105 305.4)
-
Step 950
950
#2E1D40
oklch(27% 0.066 304.8)
#733CA4 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) | #0056A7 | 0.136 |
| Deuteranopia (no green cones) | #2457A2 | 0.122 |
| Tritanopia (no blue cones) | #6A526A | 0.119 |
| Achromatopsia (no color) | #575757 | 0.164 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #733CA4
#733CA4
oklch(47.6% 0.163 305.4)
- #4D6700
#4D6700
oklch(47.5% 0.119 125)
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 #733CA4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.036
- Bluey Purple #6241C7 ΔE 0.065
- Grape #7209B7 ΔE 0.071
- Light Eggplant #894585 ΔE 0.074
- Purply #983FB2 ΔE 0.074
- Warm Purple #952E8F ΔE 0.077
- Iris #6258C4 ΔE 0.080
- Blue With A Hint Of Purple #533CC6 ΔE 0.081
Use #733CA4 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.