#733FA4
Closest named color: Rebecca Purple (#663399). oklch(48% 0.159 304.9), rgb(115, 63, 164).
Aa
White text reads best on this color (7.05:1).
About this color
#733FA4 is a medium-dark, vivid purple. In OKLCH its lightness is 48%, its chroma 0.159 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 0.040 away. White text reads best on it, at 7.05:1.
| Hue family | Purples |
| Lightness | medium-dark (48%) |
| Chroma | vivid (0.159) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.97:1 |
| White text | 7.05:1 |
Values
| HEX | #733FA4 |
| RGB | rgb(115, 63, 164) |
| HSL | hsl(271, 44%, 45%) |
| OKLCH | oklch(48% 0.159 304.9) |
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 #733FA4 | 7.05:1 | AAA | Lc -89.0 | Fine for body text |
| Black text on #733FA4 | 2.97:1 | Fails | Lc 20.0 | Dividers and decoration only |
| #733FA4 text on white | 7.05:1 | AAA | Lc 84.0 | Fine for body text |
| #733FA4 text on black | 2.97:1 | Fails | Lc -18.0 | 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
#DFD3F0
oklch(88.5% 0.041 304.3)
-
Step 300
300
#CCB5E9
oklch(81% 0.076 304.9)
-
Step 400
400
#B28CDE
oklch(70.7% 0.123 304.8)
-
Step 500
500
#A06DD5
oklch(63.1% 0.158 305)
-
Step 600
600
#8B52C2
oklch(55.5% 0.172 304.9)
-
Step 700
700 (this color)
#733FA4
oklch(48% 0.159 304.9)
-
Step 800
800
#603788
oklch(42.7% 0.132 304.8)
-
Step 900
900
#4E316D
oklch(37.7% 0.102 304.3)
-
Step 950
950
#2E1D40
oklch(27% 0.066 304.8)
#733FA4 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) | #0857A7 | 0.131 |
| Deuteranopia (no green cones) | #2859A2 | 0.117 |
| Tritanopia (no blue cones) | #6A546B | 0.117 |
| Achromatopsia (no color) | #595959 | 0.160 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #733FA4
#733FA4
oklch(48% 0.159 304.9)
- #4E6900
#4E6900
oklch(48.1% 0.121 125.3)
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 #733FA4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.040
- Bluey Purple #6241C7 ΔE 0.064
- Light Eggplant #894585 ΔE 0.071
- Purply #983FB2 ΔE 0.073
- Iris #6258C4 ΔE 0.076
- Grape #7209B7 ΔE 0.077
- Warm Purple #952E8F ΔE 0.077
- Blue With A Hint Of Purple #533CC6 ΔE 0.081
Use #733FA4 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.