#5D398C
Closest named color: Rebecca Purple (#663399). oklch(42.9% 0.134 300.9), rgb(93, 57, 140).
Aa
White text reads best on this color (8.64:1).
About this color
#5D398C is a dark, moderately saturated purple. In OKLCH its lightness is 43%, its chroma 0.134 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 0.030 away. White text reads best on it, at 8.64:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.134) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.42:1 |
| White text | 8.64:1 |
Values
| HEX | #5D398C |
| RGB | rgb(93, 57, 140) |
| HSL | hsl(266, 42%, 39%) |
| OKLCH | oklch(42.9% 0.134 300.9) |
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 #5D398C | 8.64:1 | AAA | Lc -93.9 | Preferred for body text |
| Black text on #5D398C | 2.42:1 | Fails | Lc 14.7 | Not readable |
| #5D398C text on white | 8.64:1 | AAA | Lc 89.3 | Fine for body text |
| #5D398C text on black | 2.42:1 | Fails | Lc -12.9 | 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
#ECE7F7
oklch(93.7% 0.022 300.2)
-
Step 200
200
#DED3F2
oklch(88.5% 0.044 301.7)
-
Step 300
300
#C9B5EC
oklch(80.8% 0.079 301.3)
-
Step 400
400
#AE8DE2
oklch(70.7% 0.125 301.1)
-
Step 500
500
#9B6FDA
oklch(63.2% 0.16 300.9)
-
Step 600
600
#8654C7
oklch(55.6% 0.173 301)
-
Step 700
700
#7244AC
oklch(49.2% 0.161 301.1)
-
Step 800
800 (this color)
#5D398C
oklch(42.9% 0.134 300.9)
-
Step 900
900
#4B326F
oklch(37.7% 0.103 300.5)
-
Step 950
950
#2C1E41
oklch(27.1% 0.065 300.6)
#5D398C 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) | #124B8F | 0.100 |
| Deuteranopia (no green cones) | #224B8A | 0.091 |
| Tritanopia (no blue cones) | #534A5D | 0.101 |
| Achromatopsia (no color) | #4C4C4C | 0.134 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5D398C
#5D398C
oklch(42.9% 0.134 300.9)
- #485700
#485700
oklch(42.9% 0.102 120.5)
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 #5D398C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.030
- Dark Slate Blue #483D8B ΔE 0.038
- Blueberry #464196 ΔE 0.045
- Twilight #4E518B ΔE 0.065
- Dusk #4E5481 ΔE 0.079
- Chrysanthemum #560BAD ΔE 0.088
- Cobalt #1E488F ΔE 0.092
- Light Eggplant #894585 ΔE 0.095
Use #5D398C 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.