#63507B
Closest named color: Dusty Grape (#545775). oklch(46.8% 0.071 304.1), rgb(99, 80, 123).
Aa
White text reads best on this color (7.08:1).
About this color
#63507B is a medium-dark, moderately saturated purple. In OKLCH its lightness is 47%, its chroma 0.071 and its hue 304°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dusty Grape (#545775), ΔE 0.034 away. White text reads best on it, at 7.08:1.
| Hue family | Purples |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.071) |
| Temperature | in between |
| Nearest name | Dusty Grape (#545775) |
| Black text | 2.96:1 |
| White text | 7.08:1 |
Values
| HEX | #63507B |
| RGB | rgb(99, 80, 123) |
| HSL | hsl(267, 21%, 40%) |
| OKLCH | oklch(46.8% 0.071 304.1) |
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 #63507B | 7.08:1 | AAA | Lc -89.4 | Fine for body text |
| Black text on #63507B | 2.96:1 | Fails | Lc 19.5 | Dividers and decoration only |
| #63507B text on white | 7.08:1 | AAA | Lc 84.5 | Fine for body text |
| #63507B text on black | 2.96:1 | Fails | Lc -17.5 | 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
#F6F5F8
oklch(97.2% 0.004 301.4)
-
Step 100
100
#EBE8EF
oklch(93.5% 0.01 305.4)
-
Step 200
200
#DCD6E4
oklch(88.5% 0.02 305.2)
-
Step 300
300
#C5BCD3
oklch(81% 0.033 303.4)
-
Step 400
400
#A898BD
oklch(70.6% 0.056 304.6)
-
Step 500
500
#937FAD
oklch(63.1% 0.071 304.3)
-
Step 600
600
#7D6898
oklch(55.6% 0.077 304.1)
-
Step 700
700 (this color)
#63507B
oklch(46.8% 0.071 304.1)
-
Step 800
800
#56476A
oklch(42.8% 0.059 303.6)
-
Step 900
900
#473B56
oklch(37.6% 0.048 304.5)
-
Step 950
950
#292332
oklch(27% 0.029 302.8)
#63507B 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) | #47587D | 0.046 |
| Deuteranopia (no green cones) | #4B587A | 0.042 |
| Tritanopia (no blue cones) | #5F5660 | 0.053 |
| Achromatopsia (no color) | #585858 | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63507B
#63507B
oklch(46.8% 0.071 304.1)
- #526133
#526133
oklch(46.8% 0.071 123.9)
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 #63507B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.034
- Dusk #4E5481 ΔE 0.034
- Twilight #4E518B ΔE 0.042
- YInMn Blue #415A77 ΔE 0.058
- Dusky Blue #475F94 ΔE 0.061
- Muted Purple #805B87 ΔE 0.063
- Dull Purple #84597E ΔE 0.066
- Denim Blue #3B5B92 ΔE 0.067
Use #63507B 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.