#523D64
Closest named color: Dark Slate Blue (#483D8B). oklch(40% 0.069 308.3), rgb(82, 61, 100).
Aa
White text reads best on this color (9.50:1).
About this color
#523D64 is a dark, muted purple. In OKLCH its lightness is 40%, its chroma 0.069 and its hue 308°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.068 away. White text reads best on it, at 9.50:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | muted (0.069) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.21:1 |
| White text | 9.50:1 |
Values
| HEX | #523D64 |
| RGB | rgb(82, 61, 100) |
| HSL | hsl(272, 24%, 32%) |
| OKLCH | oklch(40% 0.069 308.3) |
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 #523D64 | 9.50:1 | AAA | Lc -96.2 | Preferred for body text |
| Black text on #523D64 | 2.21:1 | Fails | Lc 12.0 | Not readable |
| #523D64 text on white | 9.50:1 | AAA | Lc 91.9 | Preferred for body text |
| #523D64 text on black | 2.21:1 | Fails | Lc -10.5 | 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
#F7F4F9
oklch(97.1% 0.007 312.3)
-
Step 100
100
#EDE7F2
oklch(93.6% 0.016 310.1)
-
Step 200
200
#DED4E8
oklch(88.4% 0.029 308.1)
-
Step 300
300
#CAB8DB
oklch(80.9% 0.052 308.3)
-
Step 400
400
#AF93C8
oklch(70.7% 0.082 308.4)
-
Step 500
500
#9B77BA
oklch(63% 0.105 308.3)
-
Step 600
600
#865FA6
oklch(55.5% 0.114 308.4)
-
Step 700
700
#724E8F
oklch(49.1% 0.108 308.4)
-
Step 800
800
#5D4174
oklch(42.9% 0.088 308.4)
-
Step 900
900 (this color)
#523D64
oklch(40% 0.069 308.3)
-
Step 950
950
#2C2037
oklch(26.9% 0.045 307.6)
#523D64 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) | #354565 | 0.050 |
| Deuteranopia (no green cones) | #3A4663 | 0.046 |
| Tritanopia (no blue cones) | #50434C | 0.050 |
| Achromatopsia (no color) | #464646 | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #523D64
#523D64
oklch(40% 0.069 308.3)
- #3D4F24
#3D4F24
oklch(40.1% 0.07 127.9)
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 #523D64, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.068
- Dark Grey Blue #29465B ΔE 0.070
- Purple Brown #673A3F ΔE 0.071
- Dusk #4E5481 ΔE 0.072
- Dusty Grape #545775 ΔE 0.075
- Charcoal Grey #3C4142 ΔE 0.076
- Twilight #4E518B ΔE 0.076
- Charcoal #264653 ΔE 0.080
Use #523D64 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.