#634566
Closest named color: Brownish Purple (#76424E). oklch(43.6% 0.065 323.5), rgb(99, 69, 102).
Aa
White text reads best on this color (8.15:1).
About this color
#634566 is a dark, muted purple. In OKLCH its lightness is 44%, its chroma 0.065 and its hue 323°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Brownish Purple (#76424E), ΔE 0.051 away. White text reads best on it, at 8.15:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | muted (0.065) |
| Temperature | in between |
| Nearest name | Brownish Purple (#76424E) |
| Black text | 2.57:1 |
| White text | 8.15:1 |
Values
| HEX | #634566 |
| RGB | rgb(99, 69, 102) |
| HSL | hsl(295, 19%, 34%) |
| OKLCH | oklch(43.6% 0.065 323.5) |
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 #634566 | 8.15:1 | AAA | Lc -92.8 | Preferred for body text |
| Black text on #634566 | 2.57:1 | Fails | Lc 15.8 | Dividers and decoration only |
| #634566 text on white | 8.15:1 | AAA | Lc 88.2 | Fine for body text |
| #634566 text on black | 2.57:1 | Fails | Lc -14.0 | 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
#F7F4F7
oklch(97% 0.005 325.6)
-
Step 100
100
#EEE7EE
oklch(93.5% 0.012 325.7)
-
Step 200
200
#E0D5E1
oklch(88.5% 0.02 323.2)
-
Step 300
300
#CDB9CF
oklch(80.9% 0.038 323.1)
-
Step 400
400
#B494B7
oklch(70.7% 0.062 323.4)
-
Step 500
500
#A17AA5
oklch(63.2% 0.077 323.3)
-
Step 600
600
#8C6290
oklch(55.7% 0.085 323.7)
-
Step 700
700
#76517A
oklch(49% 0.078 323.3)
-
Step 800
800 (this color)
#634566
oklch(43.6% 0.065 323.5)
-
Step 900
900
#4F3851
oklch(37.6% 0.051 323.8)
-
Step 950
950
#2E212F
oklch(26.9% 0.031 324)
#634566 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) | #424D67 | 0.057 |
| Deuteranopia (no green cones) | #495165 | 0.054 |
| Tritanopia (no blue cones) | #644851 | 0.039 |
| Achromatopsia (no color) | #4F4F4F | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #634566
#634566
oklch(43.6% 0.065 323.5)
- #3B5B3A
#3B5B3A
oklch(43.7% 0.065 143.7)
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 #634566, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brownish Purple #76424E ΔE 0.051
- Dusty Grape #545775 ΔE 0.054
- Dusk #4E5481 ΔE 0.060
- Purple Brown #673A3F ΔE 0.062
- Twilight #4E518B ΔE 0.069
- Dark Mauve #874C62 ΔE 0.073
- YInMn Blue #415A77 ΔE 0.075
- Dark Slate Blue #483D8B ΔE 0.086
Use #634566 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.