#5A3590
Closest named color: Rebecca Purple (#663399). oklch(42.3% 0.144 298.8), rgb(90, 53, 144).
Aa
White text reads best on this color (8.94:1).
About this color
#5A3590 is a dark, vivid purple. In OKLCH its lightness is 42%, its chroma 0.144 and its hue 299°. 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 8.94:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | vivid (0.144) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.34:1 |
| White text | 8.94:1 |
Values
| HEX | #5A3590 |
| RGB | rgb(90, 53, 144) |
| HSL | hsl(264, 46%, 39%) |
| OKLCH | oklch(42.3% 0.144 298.8) |
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 #5A3590 | 8.94:1 | AAA | Lc -94.6 | Preferred for body text |
| Black text on #5A3590 | 2.34:1 | Fails | Lc 13.9 | Not readable |
| #5A3590 text on white | 8.94:1 | AAA | Lc 90.1 | Preferred for body text |
| #5A3590 text on black | 2.34:1 | Fails | Lc -12.2 | 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
#ECE7F8
oklch(93.7% 0.023 299.4)
-
Step 200
200
#DDD3F5
oklch(88.5% 0.047 298.9)
-
Step 300
300
#C8B5F0
oklch(80.9% 0.084 299.3)
-
Step 400
400
#AC8CE9
oklch(70.6% 0.136 298.7)
-
Step 500
500
#996DE2
oklch(63.2% 0.172 298.7)
-
Step 600
600
#8451CF
oklch(55.5% 0.187 298.8)
-
Step 700
700
#7041B4
oklch(49.1% 0.174 298.6)
-
Step 800
800 (this color)
#5A3590
oklch(42.3% 0.144 298.8)
-
Step 900
900
#4B3074
oklch(37.7% 0.113 299.2)
-
Step 950
950
#2C1D44
oklch(27.1% 0.071 299.4)
#5A3590 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) | #004993 | 0.105 |
| Deuteranopia (no green cones) | #0F498E | 0.101 |
| Tritanopia (no blue cones) | #4E495D | 0.111 |
| Achromatopsia (no color) | #494949 | 0.145 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5A3590
#5A3590
oklch(42.3% 0.144 298.8)
- #495500
#495500
oklch(42.4% 0.099 118.7)
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 #5A3590, 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 0.037
- Blueberry #464196 ΔE 0.043
- Twilight #4E518B ΔE 0.074
- Chrysanthemum #560BAD ΔE 0.075
- Imperial Purple #480CA8 ΔE 0.083
- Grape #7209B7 ΔE 0.089
- Dusk #4E5481 ΔE 0.089
Use #5A3590 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.