#733F9A
Closest named color: Rebecca Purple (#663399). oklch(47.4% 0.147 308.1), rgb(115, 63, 154).
Aa
White text reads best on this color (7.22:1).
About this color
#733F9A is a medium-dark, vivid purple. In OKLCH its lightness is 47%, its chroma 0.147 and its hue 308°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.038 away. White text reads best on it, at 7.22:1.
| Hue family | Purples |
| Lightness | medium-dark (47%) |
| Chroma | vivid (0.147) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.90:1 |
| White text | 7.22:1 |
Values
| HEX | #733F9A |
| RGB | rgb(115, 63, 154) |
| HSL | hsl(274, 42%, 43%) |
| OKLCH | oklch(47.4% 0.147 308.1) |
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 #733F9A | 7.22:1 | AAA | Lc -89.6 | Fine for body text |
| Black text on #733F9A | 2.90:1 | Fails | Lc 19.3 | Dividers and decoration only |
| #733F9A text on white | 7.22:1 | AAA | Lc 84.7 | Fine for body text |
| #733F9A text on black | 2.90:1 | Fails | Lc -17.3 | 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
#EEE6F5
oklch(93.6% 0.022 309.6)
-
Step 200
200
#E0D3EE
oklch(88.6% 0.039 307.2)
-
Step 300
300
#CDB5E5
oklch(80.9% 0.071 307.5)
-
Step 400
400
#B48DD7
oklch(70.7% 0.113 307.9)
-
Step 500
500
#A26ECC
oklch(63% 0.146 308.3)
-
Step 600
600
#8D54B9
oklch(55.5% 0.159 308.1)
-
Step 700
700 (this color)
#733F9A
oklch(47.4% 0.147 308.1)
-
Step 800
800
#623981
oklch(42.8% 0.121 308.4)
-
Step 900
900
#503268
oklch(37.8% 0.095 308.2)
-
Step 950
950
#2F1D3D
oklch(27% 0.062 308.8)
#733F9A 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) | #1D559D | 0.123 |
| Deuteranopia (no green cones) | #325898 | 0.110 |
| Tritanopia (no blue cones) | #6D5066 | 0.105 |
| Achromatopsia (no color) | #575757 | 0.148 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #733F9A
#733F9A
oklch(47.4% 0.147 308.1)
- #476800
#476800
oklch(47.4% 0.124 128.1)
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 #733F9A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.038
- Light Eggplant #894585 ΔE 0.060
- Warm Purple #952E8F ΔE 0.072
- Purply #983FB2 ΔE 0.079
- Bluey Purple #6241C7 ΔE 0.079
- Blueberry #464196 ΔE 0.080
- Twilight #4E518B ΔE 0.080
- Dark Slate Blue #483D8B ΔE 0.082
Use #733F9A 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.