#5D3685
Closest named color: Rebecca Purple (#663399). oklch(42% 0.129 304.1), rgb(93, 54, 133).
Aa
White text reads best on this color (9.00:1).
About this color
#5D3685 is a dark, moderately saturated purple. In OKLCH its lightness is 42%, its chroma 0.129 and its hue 304°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.037 away. White text reads best on it, at 9.00:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.129) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.33:1 |
| White text | 9.00:1 |
Values
| HEX | #5D3685 |
| RGB | rgb(93, 54, 133) |
| HSL | hsl(270, 42%, 37%) |
| OKLCH | oklch(42% 0.129 304.1) |
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 #5D3685 | 9.00:1 | AAA | Lc -94.8 | Preferred for body text |
| Black text on #5D3685 | 2.33:1 | Fails | Lc 13.6 | Not readable |
| #5D3685 text on white | 9.00:1 | AAA | Lc 90.3 | Preferred for body text |
| #5D3685 text on black | 2.33:1 | Fails | Lc -12.0 | 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
#F7F4FB
oklch(97.1% 0.01 305.4)
-
Step 100
100
#EDE7F6
oklch(93.7% 0.021 304)
-
Step 200
200
#DFD3F0
oklch(88.5% 0.041 304.3)
-
Step 300
300
#CBB5E9
oklch(80.9% 0.076 304)
-
Step 400
400
#B18DDE
oklch(70.7% 0.121 303.9)
-
Step 500
500
#9E6ED4
oklch(63% 0.154 304)
-
Step 600
600
#8A54C1
oklch(55.7% 0.167 304.4)
-
Step 700
700
#7543A7
oklch(49.1% 0.157 304.3)
-
Step 800
800 (this color)
#5D3685
oklch(42% 0.129 304.1)
-
Step 900
900
#4E316C
oklch(37.7% 0.101 304.7)
-
Step 950
950
#2D1D3F
oklch(26.8% 0.064 304.2)
#5D3685 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) | #154888 | 0.102 |
| Deuteranopia (no green cones) | #254983 | 0.092 |
| Tritanopia (no blue cones) | #564558 | 0.094 |
| Achromatopsia (no color) | #494949 | 0.130 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5D3685
#5D3685
oklch(42% 0.129 304.1)
- #415600
#415600
oklch(42% 0.105 124.3)
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 #5D3685, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.037
- Dark Slate Blue #483D8B ΔE 0.041
- Blueberry #464196 ΔE 0.052
- Twilight #4E518B ΔE 0.071
- Dusk #4E5481 ΔE 0.083
- Chrysanthemum #560BAD ΔE 0.092
- Purple #800080 ΔE 0.092
- Indigo #4B0082 ΔE 0.095
Use #5D3685 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.