#523971
Closest named color: Dark Slate Blue (#483D8B). oklch(39.9% 0.095 303), rgb(82, 57, 113).
Aa
White text reads best on this color (9.62:1).
About this color
#523971 is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.095 and its hue 303°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.046 away. White text reads best on it, at 9.62:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.095) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.18:1 |
| White text | 9.62:1 |
Values
| HEX | #523971 |
| RGB | rgb(82, 57, 113) |
| HSL | hsl(267, 33%, 33%) |
| OKLCH | oklch(39.9% 0.095 303) |
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 #523971 | 9.62:1 | AAA | Lc -96.4 | Preferred for body text |
| Black text on #523971 | 2.18:1 | Fails | Lc 11.8 | Not readable |
| #523971 text on white | 9.62:1 | AAA | Lc 92.1 | Preferred for body text |
| #523971 text on black | 2.18:1 | Fails | Lc -10.3 | 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
#F7F4FB
oklch(97.1% 0.01 305.4)
-
Step 100
100
#ECE7F6
oklch(93.6% 0.021 301.1)
-
Step 200
200
#DED3EF
oklch(88.4% 0.04 303.4)
-
Step 300
300
#CAB6E7
oklch(80.9% 0.071 303.4)
-
Step 400
400
#AF8FDB
oklch(70.8% 0.113 303)
-
Step 500
500
#9C71D1
oklch(63.2% 0.145 303.2)
-
Step 600
600
#8757BE
oklch(55.6% 0.158 303.1)
-
Step 700
700
#7247A4
oklch(49.2% 0.146 302.7)
-
Step 800
800
#5D3B85
oklch(42.8% 0.121 302.8)
-
Step 900
900 (this color)
#523971
oklch(39.9% 0.095 303)
-
Step 950
950
#2C1E3E
oklch(26.9% 0.06 302.8)
#523971 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) | #294473 | 0.066 |
| Deuteranopia (no green cones) | #2F4570 | 0.062 |
| Tritanopia (no blue cones) | #4D434F | 0.073 |
| Achromatopsia (no color) | #454545 | 0.095 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #523971
#523971
oklch(39.9% 0.095 303)
- #3E4F05
#3E4F05
oklch(39.9% 0.095 123)
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 #523971, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.046
- Blueberry #464196 ΔE 0.065
- Twilight #4E518B ΔE 0.071
- Dusk #4E5481 ΔE 0.075
- Rebecca Purple #663399 ΔE 0.077
- Dark Grey Blue #29465B ΔE 0.086
- Dusty Grape #545775 ΔE 0.086
- Cobalt #1E488F ΔE 0.087
Use #523971 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.