#63536B
Closest named color: Dusty Grape (#545775). oklch(46.7% 0.043 314.4), rgb(99, 83, 107).
Aa
White text reads best on this color (7.04:1).
About this color
#63536B is a medium-dark, muted purple. In OKLCH its lightness is 47%, its chroma 0.043 and its hue 314°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dusty Grape (#545775), ΔE 0.028 away. White text reads best on it, at 7.04:1.
| Hue family | Purples |
| Lightness | medium-dark (47%) |
| Chroma | muted (0.043) |
| Temperature | in between |
| Nearest name | Dusty Grape (#545775) |
| Black text | 2.98:1 |
| White text | 7.04:1 |
Values
| HEX | #63536B |
| RGB | rgb(99, 83, 107) |
| HSL | hsl(280, 13%, 37%) |
| OKLCH | oklch(46.7% 0.043 314.4) |
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 #63536B | 7.04:1 | AAA | Lc -89.4 | Fine for body text |
| Black text on #63536B | 2.98:1 | Fails | Lc 19.6 | Dividers and decoration only |
| #63536B text on white | 7.04:1 | AAA | Lc 84.4 | Fine for body text |
| #63536B text on black | 2.98:1 | Fails | Lc -17.6 | Dividers and decoration only |
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 700.
-
Step 50
50
#F6F5F7
oklch(97.1% 0.003 308.4)
-
Step 100
100
#EBE9ED
oklch(93.7% 0.006 308.4)
-
Step 200
200
#DCD7DE
oklch(88.5% 0.011 316.5)
-
Step 300
300
#C6BDCA
oklch(81% 0.021 315.7)
-
Step 400
400
#A89BAF
oklch(70.7% 0.032 314)
-
Step 500
500
#93829C
oklch(63.1% 0.043 314)
-
Step 600
600
#7D6C86
oklch(55.6% 0.044 313.9)
-
Step 700
700 (this color)
#63536B
oklch(46.7% 0.043 314.4)
-
Step 800
800
#56495D
oklch(42.6% 0.036 313.7)
-
Step 900
900
#473D4C
oklch(37.6% 0.028 314.5)
-
Step 950
950
#2A242C
oklch(27% 0.017 317.7)
#63536B 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) | #50586C | 0.032 |
| Deuteranopia (no green cones) | #53596A | 0.030 |
| Tritanopia (no blue cones) | #63565B | 0.031 |
| Achromatopsia (no color) | #595959 | 0.043 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63536B
#63536B
oklch(46.7% 0.043 314.4)
- #506047
#506047
oklch(46.8% 0.044 134.5)
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 #63536B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.028
- Dusk #4E5481 ΔE 0.048
- YInMn Blue #415A77 ΔE 0.053
- Slate #516572 ΔE 0.055
- Brownish Purple #76424E ΔE 0.061
- Twilight #4E518B ΔE 0.064
- Dark Mauve #874C62 ΔE 0.065
- Dull Purple #84597E ΔE 0.068
Use #63536B 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.