#5A3793
Closest named color: Rebecca Purple (#663399). oklch(42.8% 0.145 297.4), rgb(90, 55, 147).
Aa
White text reads best on this color (8.74:1).
About this color
#5A3793 is a dark, vivid purple. In OKLCH its lightness is 43%, its chroma 0.145 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 0.025 away. White text reads best on it, at 8.74:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | vivid (0.145) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.40:1 |
| White text | 8.74:1 |
Values
| HEX | #5A3793 |
| RGB | rgb(90, 55, 147) |
| HSL | hsl(263, 46%, 40%) |
| OKLCH | oklch(42.8% 0.145 297.4) |
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 #5A3793 | 8.74:1 | AAA | Lc -94.1 | Preferred for body text |
| Black text on #5A3793 | 2.40:1 | Fails | Lc 14.4 | Not readable |
| #5A3793 text on white | 8.74:1 | AAA | Lc 89.5 | Fine for body text |
| #5A3793 text on black | 2.40:1 | Fails | Lc -12.7 | 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
#F6F4FC
oklch(97.1% 0.011 297.6)
-
Step 100
100
#EBE7F9
oklch(93.6% 0.024 296.1)
-
Step 200
200
#DCD3F5
oklch(88.5% 0.047 297.5)
-
Step 300
300
#C6B5F1
oklch(80.8% 0.085 297.5)
-
Step 400
400
#AA8DEA
oklch(70.7% 0.135 297.2)
-
Step 500
500
#976DE3
oklch(63% 0.173 297.6)
-
Step 600
600
#8252D1
oklch(55.6% 0.188 297.3)
-
Step 700
700
#6E41B5
oklch(49% 0.175 297.3)
-
Step 800
800 (this color)
#5A3793
oklch(42.8% 0.145 297.4)
-
Step 900
900
#493175
oklch(37.7% 0.112 297)
-
Step 950
950
#2B1D45
oklch(27% 0.073 297.5)
#5A3793 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) | #004B96 | 0.103 |
| Deuteranopia (no green cones) | #0D4A91 | 0.099 |
| Tritanopia (no blue cones) | #4D4B5F | 0.113 |
| Achromatopsia (no color) | #4B4B4B | 0.146 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5A3793
#5A3793
oklch(42.8% 0.145 297.4)
- #4B5600
#4B5600
oklch(42.8% 0.1 117.9)
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 #5A3793, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.025
- Dark Slate Blue #483D8B ΔE 0.036
- Blueberry #464196 ΔE 0.040
- Twilight #4E518B ΔE 0.070
- Chrysanthemum #560BAD ΔE 0.075
- Imperial Purple #480CA8 ΔE 0.084
- Blue With A Hint Of Purple #533CC6 ΔE 0.084
- Dusk #4E5481 ΔE 0.087
Use #5A3793 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.