#523577
Closest named color: Dark Slate Blue (#483D8B). oklch(39.6% 0.11 301.9), rgb(82, 53, 119).
Aa
White text reads best on this color (9.83:1).
About this color
#523577 is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.110 and its hue 302°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.040 away. White text reads best on it, at 9.83:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.110) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.13:1 |
| White text | 9.83:1 |
Values
| HEX | #523577 |
| RGB | rgb(82, 53, 119) |
| HSL | hsl(266, 38%, 34%) |
| OKLCH | oklch(39.6% 0.11 301.9) |
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 #523577 | 9.83:1 | AAA | Lc -96.8 | Preferred for body text |
| Black text on #523577 | 2.13:1 | Fails | Lc 11.4 | Not readable |
| #523577 text on white | 9.83:1 | AAA | Lc 92.6 | Preferred for body text |
| #523577 text on black | 2.13:1 | Fails | Lc -9.9 | 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 900.
-
Step 50
50
#F7F4FC
oklch(97.2% 0.011 303.1)
-
Step 100
100
#ECE6F8
oklch(93.5% 0.025 301.1)
-
Step 200
200
#DED3F3
oklch(88.6% 0.045 301.1)
-
Step 300
300
#CAB4EE
oklch(80.8% 0.084 301.9)
-
Step 400
400
#B08CE5
oklch(70.8% 0.131 301.8)
-
Step 500
500
#9D6CDD
oklch(63.1% 0.168 301.8)
-
Step 600
600
#8950CB
oklch(55.6% 0.185 302.1)
-
Step 700
700
#7440AF
oklch(49.1% 0.171 302)
-
Step 800
800
#5E368E
oklch(42.7% 0.141 301.6)
-
Step 900
900 (this color)
#523577
oklch(39.6% 0.11 301.9)
-
Step 950
950
#2D1D42
oklch(27.1% 0.068 302)
#523577 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) | #1D4379 | 0.081 |
| Deuteranopia (no green cones) | #264375 | 0.074 |
| Tritanopia (no blue cones) | #4B4250 | 0.085 |
| Achromatopsia (no color) | #434343 | 0.111 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #523577
#523577
oklch(39.6% 0.11 301.9)
- #3E4E00
#3E4E00
oklch(39.6% 0.096 122.1)
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 #523577, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.040
- Blueberry #464196 ΔE 0.059
- Rebecca Purple #663399 ΔE 0.067
- Twilight #4E518B ΔE 0.077
- Dusk #4E5481 ΔE 0.084
- Cobalt #1E488F ΔE 0.088
- Grape Purple #5D1451 ΔE 0.089
- Indigo #4B0082 ΔE 0.090
Use #523577 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.