#733AAB
Closest named color: Rebecca Purple (#663399). oklch(47.8% 0.174 303.6), rgb(115, 58, 171).
Aa
White text reads best on this color (7.18:1).
About this color
#733AAB is a medium-dark, vivid purple. In OKLCH its lightness is 48%, its chroma 0.174 and its hue 304°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.041 away. White text reads best on it, at 7.18:1.
| Hue family | Purples |
| Lightness | medium-dark (48%) |
| Chroma | vivid (0.174) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.92:1 |
| White text | 7.18:1 |
Values
| HEX | #733AAB |
| RGB | rgb(115, 58, 171) |
| HSL | hsl(270, 49%, 45%) |
| OKLCH | oklch(47.8% 0.174 303.6) |
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 #733AAB | 7.18:1 | AAA | Lc -89.3 | Fine for body text |
| Black text on #733AAB | 2.92:1 | Fails | Lc 19.7 | Dividers and decoration only |
| #733AAB text on white | 7.18:1 | AAA | Lc 84.4 | Fine for body text |
| #733AAB text on black | 2.92:1 | Fails | Lc -17.6 | 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
#EDE6F8
oklch(93.6% 0.025 303.5)
-
Step 200
200
#DFD2F3
oklch(88.4% 0.047 303.3)
-
Step 300
300
#CCB4EE
oklch(81% 0.084 303.5)
-
Step 400
400
#B28AE5
oklch(70.6% 0.135 303.4)
-
Step 500
500
#A06ADD
oklch(63.1% 0.172 303.5)
-
Step 600
600
#8C4ECA
oklch(55.6% 0.187 304)
-
Step 700
700 (this color)
#733AAB
oklch(47.8% 0.174 303.6)
-
Step 800
800
#60348E
oklch(42.6% 0.144 303.3)
-
Step 900
900
#4F2F71
oklch(37.8% 0.112 303.9)
-
Step 950
950
#2E1C42
oklch(27% 0.071 303.9)
#733AAB 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) | #0056AE | 0.136 |
| Deuteranopia (no green cones) | #1357A9 | 0.132 |
| Tritanopia (no blue cones) | #68536D | 0.128 |
| Achromatopsia (no color) | #575757 | 0.175 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #733AAB
#733AAB
oklch(47.8% 0.174 303.6)
- #506700
#506700
oklch(47.8% 0.118 123.5)
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 #733AAB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.041
- Bluey Purple #6241C7 ΔE 0.056
- Grape #7209B7 ΔE 0.063
- Blue With A Hint Of Purple #533CC6 ΔE 0.073
- Purply #983FB2 ΔE 0.074
- Iris #6258C4 ΔE 0.077
- Blurple #5539CC ΔE 0.078
- Warm Purple #952E8F ΔE 0.082
Use #733AAB 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.