#733981
Closest named color: Rebecca Purple (#663399). oklch(44.9% 0.129 319.5), rgb(115, 57, 129).
Aa
White text reads best on this color (7.98:1).
About this color
#733981 is a dark, moderately saturated purple. In OKLCH its lightness is 45%, its chroma 0.129 and its hue 320°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.052 away. White text reads best on it, at 7.98:1.
| Hue family | Purples |
| Lightness | dark (45%) |
| Chroma | moderately saturated (0.129) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.63:1 |
| White text | 7.98:1 |
Values
| HEX | #733981 |
| RGB | rgb(115, 57, 129) |
| HSL | hsl(288, 39%, 36%) |
| OKLCH | oklch(44.9% 0.129 319.5) |
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 #733981 | 7.98:1 | AAA | Lc -92.0 | Preferred for body text |
| Black text on #733981 | 2.63:1 | Fails | Lc 16.7 | Dividers and decoration only |
| #733981 text on white | 7.98:1 | AAA | Lc 87.3 | Fine for body text |
| #733981 text on black | 2.63:1 | Fails | Lc -14.9 | Not readable |
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 800.
-
Step 50
50
#F8F3FA
oklch(97% 0.011 316.5)
-
Step 100
100
#F0E5F3
oklch(93.5% 0.022 319)
-
Step 200
200
#E6D1EB
oklch(88.6% 0.042 319.7)
-
Step 300
300
#D6B1E0
oklch(80.8% 0.076 319)
-
Step 400
400
#C187D0
oklch(70.6% 0.121 319.2)
-
Step 500
500
#B167C3
oklch(63.1% 0.154 319.6)
-
Step 600
600
#9C4CAF
oklch(55.6% 0.167 319.6)
-
Step 700
700
#853C97
oklch(49% 0.156 319.3)
-
Step 800
800 (this color)
#733981
oklch(44.9% 0.129 319.5)
-
Step 900
900
#582D62
oklch(37.6% 0.1 319.8)
-
Step 950
950
#341B3A
oklch(27.1% 0.064 319.6)
#733981 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) | #2B4D83 | 0.120 |
| Deuteranopia (no green cones) | #3E537F | 0.106 |
| Tritanopia (no blue cones) | #734457 | 0.082 |
| Achromatopsia (no color) | #515151 | 0.129 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #733981
#733981
oklch(44.9% 0.129 319.5)
- #276514
#276514
oklch(44.9% 0.129 139.6)
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 #733981, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.052
- Light Eggplant #894585 ΔE 0.054
- Warm Purple #952E8F ΔE 0.071
- Purple #800080 ΔE 0.075
- Dark Magenta #8B008B ΔE 0.081
- Dark Slate Blue #483D8B ΔE 0.081
- Twilight #4E518B ΔE 0.083
- Blueberry #464196 ΔE 0.088
Use #733981 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.