#523A89
Closest named color: Dark Slate Blue (#483D8B). oklch(41.7% 0.127 294.3), rgb(82, 58, 137).
Aa
White text reads best on this color (9.03:1).
About this color
#523A89 is a dark, moderately saturated purple. In OKLCH its lightness is 42%, its chroma 0.127 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 0.018 away. White text reads best on it, at 9.03:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.127) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.32:1 |
| White text | 9.03:1 |
Values
| HEX | #523A89 |
| RGB | rgb(82, 58, 137) |
| HSL | hsl(258, 41%, 38%) |
| OKLCH | oklch(41.7% 0.127 294.3) |
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 #523A89 | 9.03:1 | AAA | Lc -94.9 | Preferred for body text |
| Black text on #523A89 | 2.32:1 | Fails | Lc 13.5 | Not readable |
| #523A89 text on white | 9.03:1 | AAA | Lc 90.5 | Preferred for body text |
| #523A89 text on black | 2.32:1 | 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
#F6F4FC
oklch(97.1% 0.011 297.6)
-
Step 100
100
#EAE7F7
oklch(93.5% 0.022 294.6)
-
Step 200
200
#DAD4F2
oklch(88.4% 0.041 294.7)
-
Step 300
300
#C3B8EC
oklch(80.9% 0.073 294.4)
-
Step 400
400
#A591E3
oklch(70.6% 0.119 294.4)
-
Step 500
500
#9074DB
oklch(63.1% 0.152 294.2)
-
Step 600
600
#7B5AC8
oklch(55.5% 0.164 294.2)
-
Step 700
700
#6849AD
oklch(49% 0.153 294.3)
-
Step 800
800 (this color)
#523A89
oklch(41.7% 0.127 294.3)
-
Step 900
900
#463570
oklch(37.8% 0.098 294.5)
-
Step 950
950
#291F42
oklch(27% 0.064 294.9)
#523A89 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) | #124A8C | 0.083 |
| Deuteranopia (no green cones) | #1A4887 | 0.078 |
| Tritanopia (no blue cones) | #444B5B | 0.102 |
| Achromatopsia (no color) | #494949 | 0.127 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #523A89
#523A89
oklch(41.7% 0.127 294.3)
- #4C5100
#4C5100
oklch(41.6% 0.093 113.8)
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 #523A89, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.018
- Blueberry #464196 ΔE 0.032
- Rebecca Purple #663399 ΔE 0.047
- Twilight #4E518B ΔE 0.060
- Cobalt #1E488F ΔE 0.074
- Dusk #4E5481 ΔE 0.074
- Dusk Blue #26538D ΔE 0.083
- Chrysanthemum #560BAD ΔE 0.090
Use #523A89 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.