#73318A
Closest named color: Rebecca Purple (#663399). oklch(44.4% 0.151 316.3), rgb(115, 49, 138).
Aa
White text reads best on this color (8.28:1).
About this color
#73318A is a dark, vivid purple. In OKLCH its lightness is 44%, its chroma 0.151 and its hue 316°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.036 away. White text reads best on it, at 8.28:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | vivid (0.151) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.53:1 |
| White text | 8.28:1 |
Values
| HEX | #73318A |
| RGB | rgb(115, 49, 138) |
| HSL | hsl(284, 48%, 37%) |
| OKLCH | oklch(44.4% 0.151 316.3) |
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 #73318A | 8.28:1 | AAA | Lc -92.7 | Preferred for body text |
| Black text on #73318A | 2.53:1 | Fails | Lc 16.0 | Dividers and decoration only |
| #73318A text on white | 8.28:1 | AAA | Lc 88.0 | Fine for body text |
| #73318A text on black | 2.53:1 | Fails | Lc -14.1 | 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
#F9F3FB
oklch(97.1% 0.012 317.7)
-
Step 100
100
#F1E5F6
oklch(93.6% 0.026 316.1)
-
Step 200
200
#E6D0EF
oklch(88.5% 0.048 316.2)
-
Step 300
300
#D7AFE7
oklch(80.8% 0.088 316.2)
-
Step 400
400
#C383DB
oklch(70.7% 0.141 316.4)
-
Step 500
500
#B360D1
oklch(63% 0.181 316.3)
-
Step 600
600
#9E43BE
oklch(55.6% 0.196 316.1)
-
Step 700
700
#8733A4
oklch(49% 0.183 316.1)
-
Step 800
800 (this color)
#73318A
oklch(44.4% 0.151 316.3)
-
Step 900
900
#59296A
oklch(37.6% 0.117 316.4)
-
Step 950
950
#34193E
oklch(27% 0.074 316.2)
#73318A 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) | #134A8D | 0.143 |
| Deuteranopia (no green cones) | #325088 | 0.124 |
| Tritanopia (no blue cones) | #724159 | 0.098 |
| Achromatopsia (no color) | #4E4E4E | 0.152 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #73318A
#73318A
oklch(44.4% 0.151 316.3)
- #2C6300
#2C6300
oklch(44.4% 0.133 136.3)
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 #73318A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.036
- Purple #800080 ΔE 0.060
- Dark Magenta #8B008B ΔE 0.066
- Warm Purple #952E8F ΔE 0.068
- Light Eggplant #894585 ΔE 0.068
- Dark Slate Blue #483D8B ΔE 0.082
- Grape #7209B7 ΔE 0.087
- Blueberry #464196 ΔE 0.088
Use #73318A 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.