#523F63
Closest named color: Dark Grey Blue (#29465B). oklch(40.3% 0.063 307.9), rgb(82, 63, 99).
Aa
White text reads best on this color (9.33:1).
About this color
#523F63 is a dark, muted purple. In OKLCH its lightness is 40%, its chroma 0.063 and its hue 308°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.067 away. White text reads best on it, at 9.33:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | muted (0.063) |
| Temperature | in between |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.24:1 |
| White text | 9.33:1 |
Values
| HEX | #523F63 |
| RGB | rgb(82, 63, 99) |
| HSL | hsl(272, 22%, 32%) |
| OKLCH | oklch(40.3% 0.063 307.9) |
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 #523F63 | 9.33:1 | AAA | Lc -95.8 | Preferred for body text |
| Black text on #523F63 | 2.24:1 | Fails | Lc 12.5 | Not readable |
| #523F63 text on white | 9.33:1 | AAA | Lc 91.5 | Preferred for body text |
| #523F63 text on black | 2.24:1 | Fails | Lc -10.9 | 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 800.
-
Step 50
50
#F6F5F8
oklch(97.2% 0.004 301.4)
-
Step 100
100
#ECE8EF
oklch(93.6% 0.01 311.2)
-
Step 200
200
#DDD6E4
oklch(88.6% 0.02 308.2)
-
Step 300
300
#C7BBD4
oklch(81% 0.037 307.1)
-
Step 400
400
#AB97BE
oklch(70.7% 0.06 308.1)
-
Step 500
500
#967DAD
oklch(63% 0.076 308)
-
Step 600
600
#816699
oklch(55.6% 0.083 308.1)
-
Step 700
700
#6D5582
oklch(49.2% 0.075 308.2)
-
Step 800
800 (this color)
#523F63
oklch(40.3% 0.063 307.9)
-
Step 900
900
#493A56
oklch(37.6% 0.05 308.5)
-
Step 950
950
#2B2232
oklch(26.9% 0.032 309.9)
#523F63 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) | #384664 | 0.045 |
| Deuteranopia (no green cones) | #3C4762 | 0.042 |
| Tritanopia (no blue cones) | #50444C | 0.047 |
| Achromatopsia (no color) | #474747 | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #523F63
#523F63
oklch(40.3% 0.063 307.9)
- #3F4F29
#3F4F29
oklch(40.4% 0.062 127.6)
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 #523F63, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.067
- Dusk #4E5481 ΔE 0.069
- Purple Brown #673A3F ΔE 0.069
- Dusty Grape #545775 ΔE 0.070
- Dark Slate Blue #483D8B ΔE 0.071
- Charcoal Grey #3C4142 ΔE 0.072
- Twilight #4E518B ΔE 0.074
- Charcoal #264653 ΔE 0.077
Use #523F63 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.