#733C9E
Closest named color: Rebecca Purple (#663399). oklch(47.2% 0.156 307.3), rgb(115, 60, 158).
Aa
White text reads best on this color (7.31:1).
About this color
#733C9E is a medium-dark, vivid purple. In OKLCH its lightness is 47%, its chroma 0.156 and its hue 307°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.034 away. White text reads best on it, at 7.31:1.
| Hue family | Purples |
| Lightness | medium-dark (47%) |
| Chroma | vivid (0.156) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.86:1 |
| White text | 7.31:1 |
Values
| HEX | #733C9E |
| RGB | rgb(115, 60, 158) |
| HSL | hsl(274, 45%, 43%) |
| OKLCH | oklch(47.2% 0.156 307.3) |
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 #733C9E | 7.31:1 | AAA | Lc -89.9 | Fine for body text |
| Black text on #733C9E | 2.86:1 | Fails | Lc 19.1 | Dividers and decoration only |
| #733C9E text on white | 7.31:1 | AAA | Lc 85.0 | Fine for body text |
| #733C9E text on black | 2.86:1 | Fails | Lc -17.1 | 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
#EEE6F6
oklch(93.6% 0.023 308.2)
-
Step 200
200
#E0D2EF
oklch(88.4% 0.042 307.2)
-
Step 300
300
#CEB4E7
oklch(80.9% 0.076 307.8)
-
Step 400
400
#B58CDB
oklch(70.8% 0.12 307.4)
-
Step 500
500
#A36CD1
oklch(63.1% 0.155 307.7)
-
Step 600
600
#8E52BE
oklch(55.6% 0.168 307.5)
-
Step 700
700 (this color)
#733C9E
oklch(47.2% 0.156 307.3)
-
Step 800
800
#623785
oklch(42.7% 0.129 307.2)
-
Step 900
900
#50306B
oklch(37.7% 0.102 307.2)
-
Step 950
950
#2F1D3E
oklch(27% 0.063 307.9)
#733C9E 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) | #0C54A1 | 0.133 |
| Deuteranopia (no green cones) | #2B579C | 0.118 |
| Tritanopia (no blue cones) | #6C4F67 | 0.111 |
| Achromatopsia (no color) | #565656 | 0.158 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #733C9E
#733C9E
oklch(47.2% 0.156 307.3)
- #486700
#486700
oklch(47.2% 0.122 127.3)
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 #733C9E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.034
- Light Eggplant #894585 ΔE 0.068
- Warm Purple #952E8F ΔE 0.073
- Bluey Purple #6241C7 ΔE 0.073
- Grape #7209B7 ΔE 0.077
- Purply #983FB2 ΔE 0.077
- Blueberry #464196 ΔE 0.081
- Dark Slate Blue #483D8B ΔE 0.084
Use #733C9E 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.