#65399A
Closest named color: Rebecca Purple (#663399). oklch(44.8% 0.153 301.4), rgb(101, 57, 154).
Aa
White text reads best on this color (8.06:1).
About this color
#65399A is a dark, vivid purple. In OKLCH its lightness is 45%, its chroma 0.153 and its hue 301°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.012 away. White text reads best on it, at 8.06:1.
| Hue family | Purples |
| Lightness | dark (45%) |
| Chroma | vivid (0.153) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.60:1 |
| White text | 8.06:1 |
Values
| HEX | #65399A |
| RGB | rgb(101, 57, 154) |
| HSL | hsl(267, 46%, 41%) |
| OKLCH | oklch(44.8% 0.153 301.4) |
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 #65399A | 8.06:1 | AAA | Lc -92.2 | Preferred for body text |
| Black text on #65399A | 2.60:1 | Fails | Lc 16.5 | Dividers and decoration only |
| #65399A text on white | 8.06:1 | AAA | Lc 87.5 | Fine for body text |
| #65399A text on black | 2.60:1 | Fails | Lc -14.7 | 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
#F7F4FC
oklch(97.2% 0.011 303.1)
-
Step 100
100
#EDE6F9
oklch(93.6% 0.026 302.6)
-
Step 200
200
#DED2F5
oklch(88.4% 0.049 301)
-
Step 300
300
#CAB4F1
oklch(80.9% 0.088 301)
-
Step 400
400
#B18AEB
oklch(70.8% 0.143 301.4)
-
Step 500
500
#9E69E4
oklch(63.2% 0.182 301.3)
-
Step 600
600
#8A4CD2
oklch(55.7% 0.198 301.5)
-
Step 700
700
#753CB6
oklch(49.1% 0.184 301.3)
-
Step 800
800 (this color)
#65399A
oklch(44.8% 0.153 301.4)
-
Step 900
900
#4D2E75
oklch(37.7% 0.118 301)
-
Step 950
950
#2D1C45
oklch(27.1% 0.075 300.6)
#65399A 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) | #004F9D | 0.118 |
| Deuteranopia (no green cones) | #185098 | 0.110 |
| Tritanopia (no blue cones) | #5A4E64 | 0.115 |
| Achromatopsia (no color) | #505050 | 0.154 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #65399A
#65399A
oklch(44.8% 0.153 301.4)
- #4C5D00
#4C5D00
oklch(44.8% 0.108 121.2)
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 #65399A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.012
- Blueberry #464196 ΔE 0.056
- Dark Slate Blue #483D8B ΔE 0.057
- Bluey Purple #6241C7 ΔE 0.074
- Twilight #4E518B ΔE 0.075
- Grape #7209B7 ΔE 0.076
- Blue With A Hint Of Purple #533CC6 ΔE 0.078
- Chrysanthemum #560BAD ΔE 0.081
Use #65399A 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.