#733DAB
Closest named color: Rebecca Purple (#663399). oklch(48.3% 0.17 303.1), rgb(115, 61, 171).
Aa
White text reads best on this color (7.03:1).
About this color
#733DAB is a medium-dark, vivid purple. In OKLCH its lightness is 48%, its chroma 0.170 and its hue 303°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.043 away. White text reads best on it, at 7.03:1.
| Hue family | Purples |
| Lightness | medium-dark (48%) |
| Chroma | vivid (0.170) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.98:1 |
| White text | 7.03:1 |
Values
| HEX | #733DAB |
| RGB | rgb(115, 61, 171) |
| HSL | hsl(269, 47%, 45%) |
| OKLCH | oklch(48.3% 0.17 303.1) |
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 #733DAB | 7.03:1 | AAA | Lc -88.8 | Fine for body text |
| Black text on #733DAB | 2.98:1 | Fails | Lc 20.2 | Dividers and decoration only |
| #733DAB text on white | 7.03:1 | AAA | Lc 83.9 | Fine for body text |
| #733DAB text on black | 2.98:1 | Fails | Lc -18.1 | 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
#F7F4FC
oklch(97.2% 0.011 303.1)
-
Step 100
100
#EDE6F7
oklch(93.5% 0.024 304.5)
-
Step 200
200
#DFD2F3
oklch(88.4% 0.047 303.3)
-
Step 300
300
#CBB4ED
oklch(80.9% 0.083 303)
-
Step 400
400
#B18BE4
oklch(70.7% 0.132 302.8)
-
Step 500
500
#9F6BDC
oklch(63.1% 0.169 303.1)
-
Step 600
600
#8A50C9
oklch(55.6% 0.182 303)
-
Step 700
700 (this color)
#733DAB
oklch(48.3% 0.17 303.1)
-
Step 800
800
#5F358D
oklch(42.6% 0.141 302.8)
-
Step 900
900
#4E3070
oklch(37.8% 0.108 303.2)
-
Step 950
950
#2E1C42
oklch(27% 0.071 303.9)
#733DAB 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) | #0058AE | 0.134 |
| Deuteranopia (no green cones) | #1A58A9 | 0.126 |
| Tritanopia (no blue cones) | #68556E | 0.126 |
| Achromatopsia (no color) | #595959 | 0.171 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #733DAB
#733DAB
oklch(48.3% 0.17 303.1)
- #526800
#526800
oklch(48.2% 0.118 122.9)
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 #733DAB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.043
- Bluey Purple #6241C7 ΔE 0.055
- Grape #7209B7 ΔE 0.068
- Purply #983FB2 ΔE 0.072
- Iris #6258C4 ΔE 0.073
- Blue With A Hint Of Purple #533CC6 ΔE 0.074
- Blurple #5539CC ΔE 0.078
- Slate Blue #6A5ACD ΔE 0.080
Use #733DAB 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.