#73308B
Closest named color: Rebecca Purple (#663399). oklch(44.3% 0.154 316), rgb(115, 48, 139).
Aa
White text reads best on this color (8.31:1).
About this color
#73308B is a dark, vivid purple. In OKLCH its lightness is 44%, its chroma 0.154 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 0.035 away. White text reads best on it, at 8.31:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | vivid (0.154) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.52:1 |
| White text | 8.31:1 |
Values
| HEX | #73308B |
| RGB | rgb(115, 48, 139) |
| HSL | hsl(284, 49%, 37%) |
| OKLCH | oklch(44.3% 0.154 316) |
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 #73308B | 8.31:1 | AAA | Lc -92.7 | Preferred for body text |
| Black text on #73308B | 2.52:1 | Fails | Lc 15.9 | Dividers and decoration only |
| #73308B text on white | 8.31:1 | AAA | Lc 88.1 | Fine for body text |
| #73308B text on black | 2.52:1 | 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
#E6D0F0
oklch(88.5% 0.049 315.4)
-
Step 300
300
#D8AFE8
oklch(80.9% 0.09 316.4)
-
Step 400
400
#C383DC
oklch(70.7% 0.142 316.1)
-
Step 500
500
#B360D3
oklch(63.1% 0.183 315.7)
-
Step 600
600
#9F42C0
oklch(55.7% 0.199 316)
-
Step 700
700
#8832A5
oklch(49.1% 0.185 316.3)
-
Step 800
800 (this color)
#73308B
oklch(44.3% 0.154 316)
-
Step 900
900
#59286B
oklch(37.6% 0.12 316)
-
Step 950
950
#34193F
oklch(27% 0.075 315.3)
#73308B 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) | #0E4A8E | 0.146 |
| Deuteranopia (no green cones) | #305089 | 0.127 |
| Tritanopia (no blue cones) | #724159 | 0.100 |
| Achromatopsia (no color) | #4E4E4E | 0.155 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #73308B
#73308B
oklch(44.3% 0.154 316)
- #2D6200
#2D6200
oklch(44.2% 0.131 135.9)
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 #73308B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.035
- Purple #800080 ΔE 0.059
- Dark Magenta #8B008B ΔE 0.065
- Warm Purple #952E8F ΔE 0.068
- Light Eggplant #894585 ΔE 0.070
- Dark Slate Blue #483D8B ΔE 0.082
- Grape #7209B7 ΔE 0.084
- Blueberry #464196 ΔE 0.088
Use #73308B 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.