#5A3992
Closest named color: Rebecca Purple (#663399). oklch(43% 0.141 297.2), rgb(90, 57, 146).
Aa
White text reads best on this color (8.62:1).
About this color
#5A3992 is a dark, vivid purple. In OKLCH its lightness is 43%, its chroma 0.141 and its hue 297°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.027 away. White text reads best on it, at 8.62:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | vivid (0.141) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.43:1 |
| White text | 8.62:1 |
Values
| HEX | #5A3992 |
| RGB | rgb(90, 57, 146) |
| HSL | hsl(262, 44%, 40%) |
| OKLCH | oklch(43% 0.141 297.2) |
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 #5A3992 | 8.62:1 | AAA | Lc -93.8 | Preferred for body text |
| Black text on #5A3992 | 2.43:1 | Fails | Lc 14.7 | Not readable |
| #5A3992 text on white | 8.62:1 | AAA | Lc 89.2 | Fine for body text |
| #5A3992 text on black | 2.43:1 | Fails | Lc -13.0 | 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
#EBE7F8
oklch(93.6% 0.023 296.7)
-
Step 200
200
#DCD3F4
oklch(88.4% 0.046 297.9)
-
Step 300
300
#C6B6F0
oklch(80.9% 0.082 297.2)
-
Step 400
400
#AA8EE8
oklch(70.8% 0.131 297.3)
-
Step 500
500
#966FE1
oklch(63.2% 0.168 297.1)
-
Step 600
600
#8154CF
oklch(55.6% 0.182 296.9)
-
Step 700
700
#6E43B3
oklch(49.1% 0.17 297.4)
-
Step 800
800 (this color)
#5A3992
oklch(43% 0.141 297.2)
-
Step 900
900
#493174
oklch(37.7% 0.111 297.3)
-
Step 950
950
#2B1E44
oklch(27.2% 0.069 297.4)
#5A3992 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) | #004C95 | 0.101 |
| Deuteranopia (no green cones) | #144B90 | 0.095 |
| Tritanopia (no blue cones) | #4D4C60 | 0.109 |
| Achromatopsia (no color) | #4C4C4C | 0.142 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5A3992
#5A3992
oklch(43% 0.141 297.2)
- #4C5600
#4C5600
oklch(42.9% 0.099 117.2)
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 #5A3992, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.027
- Dark Slate Blue #483D8B ΔE 0.034
- Blueberry #464196 ΔE 0.038
- Twilight #4E518B ΔE 0.066
- Chrysanthemum #560BAD ΔE 0.080
- Dusk #4E5481 ΔE 0.082
- Blue With A Hint Of Purple #533CC6 ΔE 0.085
- Bluey Purple #6241C7 ΔE 0.087
Use #5A3992 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.