#5A3A8F
Closest named color: Rebecca Purple (#663399). oklch(43% 0.135 297.8), rgb(90, 58, 143).
Aa
White text reads best on this color (8.61:1).
About this color
#5A3A8F is a dark, moderately saturated purple. In OKLCH its lightness is 43%, its chroma 0.135 and its hue 298°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.031 away. White text reads best on it, at 8.61:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.135) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.43:1 |
| White text | 8.61:1 |
Values
| HEX | #5A3A8F |
| RGB | rgb(90, 58, 143) |
| HSL | hsl(263, 42%, 39%) |
| OKLCH | oklch(43% 0.135 297.8) |
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 #5A3A8F | 8.61:1 | AAA | Lc -93.8 | Preferred for body text |
| Black text on #5A3A8F | 2.43:1 | Fails | Lc 14.7 | Not readable |
| #5A3A8F text on white | 8.61:1 | AAA | Lc 89.3 | Fine for body text |
| #5A3A8F 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
#DCD4F3
oklch(88.6% 0.043 297.3)
-
Step 300
300
#C6B6EE
oklch(80.9% 0.08 297.7)
-
Step 400
400
#AA8EE5
oklch(70.6% 0.127 297.9)
-
Step 500
500
#9670DD
oklch(63.1% 0.161 297.7)
-
Step 600
600
#8255CB
oklch(55.6% 0.176 298)
-
Step 700
700
#6E45B0
oklch(49.2% 0.164 297.7)
-
Step 800
800 (this color)
#5A3A8F
oklch(43% 0.135 297.8)
-
Step 900
900
#493271
oklch(37.6% 0.105 298)
-
Step 950
950
#2B1E42
oklch(27% 0.066 298.6)
#5A3A8F 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) | #0C4C92 | 0.097 |
| Deuteranopia (no green cones) | #1C4B8D | 0.090 |
| Tritanopia (no blue cones) | #4E4C5F | 0.105 |
| Achromatopsia (no color) | #4C4C4C | 0.136 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5A3A8F
#5A3A8F
oklch(43% 0.135 297.8)
- #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 #5A3A8F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.031
- Dark Slate Blue #483D8B ΔE 0.033
- Blueberry #464196 ΔE 0.038
- Twilight #4E518B ΔE 0.062
- Dusk #4E5481 ΔE 0.078
- Chrysanthemum #560BAD ΔE 0.085
- Cobalt #1E488F ΔE 0.086
- Blue With A Hint Of Purple #533CC6 ΔE 0.090
Use #5A3A8F 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.