#523B89
Closest named color: Dark Slate Blue (#483D8B). oklch(41.9% 0.125 293.9), rgb(82, 59, 137).
Aa
White text reads best on this color (8.95:1).
About this color
#523B89 is a dark, moderately saturated purple. In OKLCH its lightness is 42%, its chroma 0.125 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 8.95:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.125) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.34:1 |
| White text | 8.95:1 |
Values
| HEX | #523B89 |
| RGB | rgb(82, 59, 137) |
| HSL | hsl(258, 40%, 38%) |
| OKLCH | oklch(41.9% 0.125 293.9) |
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 #523B89 | 8.95:1 | AAA | Lc -94.7 | Preferred for body text |
| Black text on #523B89 | 2.34:1 | Fails | Lc 13.7 | Not readable |
| #523B89 text on white | 8.95:1 | AAA | Lc 90.3 | Preferred for body text |
| #523B89 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
#F6F4FC
oklch(97.1% 0.011 297.6)
-
Step 100
100
#EAE7F7
oklch(93.5% 0.022 294.6)
-
Step 200
200
#DAD5F2
oklch(88.6% 0.04 293.5)
-
Step 300
300
#C3B8EC
oklch(80.9% 0.073 294.4)
-
Step 400
400
#A592E2
oklch(70.8% 0.116 294.1)
-
Step 500
500
#8F75DA
oklch(63.1% 0.149 293.5)
-
Step 600
600
#7B5BC7
oklch(55.6% 0.162 294.2)
-
Step 700
700
#674AAC
oklch(49% 0.15 293.8)
-
Step 800
800 (this color)
#523B89
oklch(41.9% 0.125 293.9)
-
Step 900
900
#453570
oklch(37.7% 0.098 293.6)
-
Step 950
950
#282041
oklch(27% 0.06 293.1)
#523B89 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) | #154A8C | 0.080 |
| Deuteranopia (no green cones) | #1C4887 | 0.076 |
| Tritanopia (no blue cones) | #444B5C | 0.099 |
| Achromatopsia (no color) | #494949 | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #523B89
#523B89
oklch(41.9% 0.125 293.9)
- #4D5200
#4D5200
oklch(42% 0.094 113.8)
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 #523B89, 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 0.031
- Rebecca Purple #663399 ΔE 0.047
- Twilight #4E518B ΔE 0.058
- Dusk #4E5481 ΔE 0.072
- Cobalt #1E488F ΔE 0.073
- Dusk Blue #26538D ΔE 0.081
- Denim Blue #3B5B92 ΔE 0.088
Use #523B89 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.