#73307B
Closest named color: Rebecca Purple (#663399). oklch(43.3% 0.137 323.3), rgb(115, 48, 123).
Aa
White text reads best on this color (8.61:1).
About this color
#73307B is a dark, moderately saturated purple. In OKLCH its lightness is 43%, its chroma 0.137 and its hue 323°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.057 away. White text reads best on it, at 8.61:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.137) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.43:1 |
| White text | 8.61:1 |
Values
| HEX | #73307B |
| RGB | rgb(115, 48, 123) |
| HSL | hsl(294, 44%, 34%) |
| OKLCH | oklch(43.3% 0.137 323.3) |
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 #73307B | 8.61:1 | AAA | Lc -93.6 | Preferred for body text |
| Black text on #73307B | 2.43:1 | Fails | Lc 15.0 | Not readable |
| #73307B text on white | 8.61:1 | AAA | Lc 89.0 | Fine for body text |
| #73307B text on black | 2.43:1 | Fails | Lc -13.2 | 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
#F9F3FA
oklch(97.1% 0.011 321.3)
-
Step 100
100
#F2E5F3
oklch(93.6% 0.023 323.6)
-
Step 200
200
#E8D0EA
oklch(88.5% 0.044 323.6)
-
Step 300
300
#DAB0DF
oklch(80.9% 0.079 322.8)
-
Step 400
400
#C784CE
oklch(70.7% 0.128 323.5)
-
Step 500
500
#B862C2
oklch(63.1% 0.165 323.3)
-
Step 600
600
#A346AE
oklch(55.7% 0.178 323.3)
-
Step 700
700
#8B3795
oklch(49.1% 0.165 323.3)
-
Step 800
800 (this color)
#73307B
oklch(43.3% 0.137 323.3)
-
Step 900
900
#5C2A62
oklch(37.7% 0.108 323.2)
-
Step 950
950
#361939
oklch(26.9% 0.069 323.7)
#73307B 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) | #23477D | 0.135 |
| Deuteranopia (no green cones) | #3B4F79 | 0.118 |
| Tritanopia (no blue cones) | #753B51 | 0.082 |
| Achromatopsia (no color) | #4C4C4C | 0.138 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #73307B
#73307B
oklch(43.3% 0.137 323.3)
- #0B6210
#0B6210
oklch(43.2% 0.137 143.2)
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 #73307B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.057
- Purple #800080 ΔE 0.059
- Light Eggplant #894585 ΔE 0.068
- Dark Magenta #8B008B ΔE 0.071
- Warm Purple #952E8F ΔE 0.074
- Rich Purple #720058 ΔE 0.081
- Velvet #750851 ΔE 0.083
- Dark Slate Blue #483D8B ΔE 0.087
Use #73307B 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.