#73378B
Closest named color: Rebecca Purple (#663399). oklch(45.3% 0.143 315.2), rgb(115, 55, 139).
Aa
White text reads best on this color (7.92:1).
About this color
#73378B is a medium-dark, vivid purple. In OKLCH its lightness is 45%, its chroma 0.143 and its hue 315°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.038 away. White text reads best on it, at 7.92:1.
| Hue family | Purples |
| Lightness | medium-dark (45%) |
| Chroma | vivid (0.143) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.64:1 |
| White text | 7.92:1 |
Values
| HEX | #73378B |
| RGB | rgb(115, 55, 139) |
| HSL | hsl(283, 43%, 38%) |
| OKLCH | oklch(45.3% 0.143 315.2) |
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 #73378B | 7.92:1 | AAA | Lc -91.8 | Preferred for body text |
| Black text on #73378B | 2.64:1 | Fails | Lc 17.0 | Dividers and decoration only |
| #73378B text on white | 7.92:1 | AAA | Lc 87.0 | Fine for body text |
| #73378B text on black | 2.64:1 | Fails | Lc -15.1 | 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 800.
-
Step 50
50
#F8F3FB
oklch(97% 0.012 313.2)
-
Step 100
100
#F0E5F5
oklch(93.5% 0.024 315.5)
-
Step 200
200
#E5D0EF
oklch(88.4% 0.048 315)
-
Step 300
300
#D5B1E6
oklch(80.9% 0.083 314.8)
-
Step 400
400
#C086D9
oklch(70.8% 0.132 315.2)
-
Step 500
500
#B064CF
oklch(63.2% 0.171 315.3)
-
Step 600
600
#9B48BC
oklch(55.7% 0.185 315.1)
-
Step 700
700
#8438A2
oklch(49.1% 0.173 315)
-
Step 800
800 (this color)
#73378B
oklch(45.3% 0.143 315.2)
-
Step 900
900
#572B69
oklch(37.6% 0.111 315.1)
-
Step 950
950
#331A3E
oklch(27% 0.071 314.6)
#73378B 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) | #1F4E8E | 0.131 |
| Deuteranopia (no green cones) | #365389 | 0.115 |
| Tritanopia (no blue cones) | #71455B | 0.094 |
| Achromatopsia (no color) | #515151 | 0.144 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #73378B
#73378B
oklch(45.3% 0.143 315.2)
- #316500
#316500
oklch(45.2% 0.133 135.3)
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 #73378B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.038
- Light Eggplant #894585 ΔE 0.060
- Warm Purple #952E8F ΔE 0.067
- Purple #800080 ΔE 0.071
- Dark Magenta #8B008B ΔE 0.074
- Dark Slate Blue #483D8B ΔE 0.079
- Blueberry #464196 ΔE 0.084
- Twilight #4E518B ΔE 0.086
Use #73378B 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.