#523E83
Closest named color: Dark Slate Blue (#483D8B). oklch(42% 0.112 294.5), rgb(82, 62, 131).
Aa
White text reads best on this color (8.84:1).
About this color
#523E83 is a dark, moderately saturated purple. In OKLCH its lightness is 42%, its chroma 0.112 and its hue 294°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.023 away. White text reads best on it, at 8.84:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.112) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.37:1 |
| White text | 8.84:1 |
Values
| HEX | #523E83 |
| RGB | rgb(82, 62, 131) |
| HSL | hsl(257, 36%, 38%) |
| OKLCH | oklch(42% 0.112 294.5) |
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 #523E83 | 8.84:1 | AAA | Lc -94.5 | Preferred for body text |
| Black text on #523E83 | 2.37:1 | Fails | Lc 13.9 | Not readable |
| #523E83 text on white | 8.84:1 | AAA | Lc 90.0 | Preferred for body text |
| #523E83 text on black | 2.37:1 | 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
#F6F4FB
oklch(97.1% 0.009 299.2)
-
Step 100
100
#EAE8F6
oklch(93.7% 0.019 292.6)
-
Step 200
200
#DAD5EF
oklch(88.5% 0.036 294.5)
-
Step 300
300
#C3B9E7
oklch(80.9% 0.065 294.9)
-
Step 400
400
#A594DB
oklch(70.8% 0.103 294.6)
-
Step 500
500
#8F77D1
oklch(63% 0.133 294.5)
-
Step 600
600
#7A5EBE
oklch(55.5% 0.145 294.7)
-
Step 700
700
#674DA4
oklch(49% 0.135 294.7)
-
Step 800
800 (this color)
#523E83
oklch(42% 0.112 294.5)
-
Step 900
900
#45376B
oklch(37.8% 0.087 294.2)
-
Step 950
950
#28203E
oklch(26.8% 0.055 294.7)
#523E83 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) | #234B85 | 0.069 |
| Deuteranopia (no green cones) | #274981 | 0.065 |
| Tritanopia (no blue cones) | #464C5A | 0.091 |
| Achromatopsia (no color) | #4A4A4A | 0.112 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #523E83
#523E83
oklch(42% 0.112 294.5)
- #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 #523E83, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.023
- Blueberry #464196 ΔE 0.037
- Twilight #4E518B ΔE 0.051
- Rebecca Purple #663399 ΔE 0.057
- Dusk #4E5481 ΔE 0.062
- Cobalt #1E488F ΔE 0.072
- Dusk Blue #26538D ΔE 0.076
- Dusty Grape #545775 ΔE 0.080
Use #523E83 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.