#523C83
Closest named color: Dark Slate Blue (#483D8B). oklch(41.6% 0.115 295.2), rgb(82, 60, 131).
Aa
White text reads best on this color (9.00:1).
About this color
#523C83 is a dark, moderately saturated purple. In OKLCH its lightness is 42%, its chroma 0.115 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 0.022 away. White text reads best on it, at 9.00:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.115) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.33:1 |
| White text | 9.00:1 |
Values
| HEX | #523C83 |
| RGB | rgb(82, 60, 131) |
| HSL | hsl(259, 37%, 37%) |
| OKLCH | oklch(41.6% 0.115 295.2) |
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 #523C83 | 9.00:1 | AAA | Lc -94.9 | Preferred for body text |
| Black text on #523C83 | 2.33:1 | Fails | Lc 13.5 | Not readable |
| #523C83 text on white | 9.00:1 | AAA | Lc 90.5 | Preferred for body text |
| #523C83 text on black | 2.33:1 | Fails | Lc -11.8 | 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
#C3B9E8
oklch(81% 0.066 294.6)
-
Step 400
400
#A693DD
oklch(70.8% 0.108 295.3)
-
Step 500
500
#9176D3
oklch(63.1% 0.138 295.6)
-
Step 600
600
#7B5DC0
oklch(55.5% 0.149 295.1)
-
Step 700
700
#684CA6
oklch(49.1% 0.14 295.1)
-
Step 800
800 (this color)
#523C83
oklch(41.6% 0.115 295.2)
-
Step 900
900
#46366C
oklch(37.7% 0.091 295.4)
-
Step 950
950
#29203F
oklch(27% 0.057 295.7)
#523C83 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) | #1F4A85 | 0.074 |
| Deuteranopia (no green cones) | #254881 | 0.068 |
| Tritanopia (no blue cones) | #464A59 | 0.092 |
| Achromatopsia (no color) | #494949 | 0.116 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #523C83
#523C83
oklch(41.6% 0.115 295.2)
- #4B5200
#4B5200
oklch(41.8% 0.095 115.3)
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 #523C83, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.022
- Blueberry #464196 ΔE 0.037
- Rebecca Purple #663399 ΔE 0.055
- Twilight #4E518B ΔE 0.056
- Dusk #4E5481 ΔE 0.067
- Cobalt #1E488F ΔE 0.074
- Dusk Blue #26538D ΔE 0.079
- Dusty Grape #545775 ΔE 0.085
Use #523C83 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.