#5D3F9B
Closest named color: Rebecca Purple (#663399). oklch(45% 0.144 295), rgb(93, 63, 155).
Aa
White text reads best on this color (7.92:1).
About this color
#5D3F9B is a dark, vivid purple. In OKLCH its lightness is 45%, its chroma 0.144 and its hue 295°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.029 away. White text reads best on it, at 7.92:1.
| Hue family | Purples |
| Lightness | dark (45%) |
| Chroma | vivid (0.144) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.64:1 |
| White text | 7.92:1 |
Values
| HEX | #5D3F9B |
| RGB | rgb(93, 63, 155) |
| HSL | hsl(260, 42%, 43%) |
| OKLCH | oklch(45% 0.144 295) |
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 #5D3F9B | 7.92:1 | AAA | Lc -91.9 | Preferred for body text |
| Black text on #5D3F9B | 2.64:1 | Fails | Lc 16.9 | Dividers and decoration only |
| #5D3F9B text on white | 7.92:1 | AAA | Lc 87.1 | Fine for body text |
| #5D3F9B text on black | 2.64:1 | Fails | Lc -15.0 | 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
#F6F4FC
oklch(97.1% 0.011 297.6)
-
Step 100
100
#EBE7F9
oklch(93.6% 0.024 296.1)
-
Step 200
200
#DBD4F5
oklch(88.6% 0.046 295.2)
-
Step 300
300
#C4B6F2
oklch(80.9% 0.085 295.1)
-
Step 400
400
#A78EEB
oklch(70.6% 0.135 295.1)
-
Step 500
500
#936FE5
oklch(63.1% 0.172 295.1)
-
Step 600
600
#7E54D3
oklch(55.6% 0.187 294.8)
-
Step 700
700
#6B43B6
oklch(49% 0.173 295.3)
-
Step 800
800 (this color)
#5D3F9B
oklch(45% 0.144 295)
-
Step 900
900
#473276
oklch(37.8% 0.112 294.7)
-
Step 950
950
#291E45
oklch(27% 0.071 294.2)
#5D3F9B 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) | #06529E | 0.098 |
| Deuteranopia (no green cones) | #165099 | 0.093 |
| Tritanopia (no blue cones) | #4D5367 | 0.114 |
| Achromatopsia (no color) | #515151 | 0.145 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5D3F9B
#5D3F9B
oklch(45% 0.144 295)
- #545B00
#545B00
oklch(45% 0.102 114.8)
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 #5D3F9B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.029
- Blueberry #464196 ΔE 0.040
- Dark Slate Blue #483D8B ΔE 0.045
- Twilight #4E518B ΔE 0.060
- Bluey Purple #6241C7 ΔE 0.070
- Blue With A Hint Of Purple #533CC6 ΔE 0.072
- Dusk #4E5481 ΔE 0.078
- Blurple #5539CC ΔE 0.081
Use #5D3F9B 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.