#523C85
Closest named color: Dark Slate Blue (#483D8B). oklch(41.8% 0.118 294.7), rgb(82, 60, 133).
Aa
White text reads best on this color (8.95:1).
About this color
#523C85 is a dark, moderately saturated purple. In OKLCH its lightness is 42%, its chroma 0.118 and its hue 295°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.020 away. White text reads best on it, at 8.95:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.118) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.34:1 |
| White text | 8.95:1 |
Values
| HEX | #523C85 |
| RGB | rgb(82, 60, 133) |
| HSL | hsl(258, 38%, 38%) |
| OKLCH | oklch(41.8% 0.118 294.7) |
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 #523C85 | 8.95:1 | AAA | Lc -94.8 | Preferred for body text |
| Black text on #523C85 | 2.34:1 | Fails | Lc 13.6 | Not readable |
| #523C85 text on white | 8.95:1 | AAA | Lc 90.3 | Preferred for body text |
| #523C85 text on black | 2.34:1 | 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
#F6F4FB
oklch(97.1% 0.009 299.2)
-
Step 100
100
#EAE8F6
oklch(93.7% 0.019 292.6)
-
Step 200
200
#DAD5F0
oklch(88.5% 0.037 294.1)
-
Step 300
300
#C3B8E9
oklch(80.8% 0.069 295.1)
-
Step 400
400
#A593DE
oklch(70.8% 0.109 294.5)
-
Step 500
500
#9076D5
oklch(63.1% 0.141 294.6)
-
Step 600
600
#7B5DC2
oklch(55.7% 0.152 294.7)
-
Step 700
700
#684CA8
oklch(49.2% 0.142 294.6)
-
Step 800
800 (this color)
#523C85
oklch(41.8% 0.118 294.7)
-
Step 900
900
#45366D
oklch(37.7% 0.092 294.1)
-
Step 950
950
#292040
oklch(27.1% 0.059 295.2)
#523C85 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) | #1D4A88 | 0.075 |
| Deuteranopia (no green cones) | #234883 | 0.070 |
| Tritanopia (no blue cones) | #464B5A | 0.095 |
| Achromatopsia (no color) | #494949 | 0.118 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #523C85
#523C85
oklch(41.8% 0.118 294.7)
- #4C5200
#4C5200
oklch(41.9% 0.095 114.5)
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 #523C85, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.020
- Blueberry #464196 ΔE 0.035
- Rebecca Purple #663399 ΔE 0.052
- Twilight #4E518B ΔE 0.056
- Dusk #4E5481 ΔE 0.068
- Cobalt #1E488F ΔE 0.073
- Dusk Blue #26538D ΔE 0.079
- Light Navy #155084 ΔE 0.086
Use #523C85 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.