#63537F
Closest named color: Dusty Grape (#545775). oklch(47.6% 0.072 300.4), rgb(99, 83, 127).
Aa
White text reads best on this color (6.83:1).
About this color
#63537F is a medium-dark, moderately saturated purple. In OKLCH its lightness is 48%, its chroma 0.072 and its hue 300°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dusty Grape (#545775), ΔE 0.033 away. White text reads best on it, at 6.83:1.
| Hue family | Purples |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.072) |
| Temperature | in between |
| Nearest name | Dusty Grape (#545775) |
| Black text | 3.07:1 |
| White text | 6.83:1 |
Values
| HEX | #63537F |
| RGB | rgb(99, 83, 127) |
| HSL | hsl(262, 21%, 41%) |
| OKLCH | oklch(47.6% 0.072 300.4) |
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 #63537F | 6.83:1 | AA | Lc -88.5 | Fine for body text |
| Black text on #63537F | 3.07:1 | AA large text | Lc 20.5 | Dividers and decoration only |
| #63537F text on white | 6.83:1 | AA | Lc 83.5 | Fine for body text |
| #63537F text on black | 3.07:1 | AA large text | Lc -18.4 | 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
#EBE8F0
oklch(93.6% 0.011 303.1)
-
Step 200
200
#DBD6E4
oklch(88.4% 0.02 302.2)
-
Step 300
300
#C4BCD4
oklch(80.9% 0.034 300.8)
-
Step 400
400
#A699BF
oklch(70.7% 0.056 300.6)
-
Step 500
500
#9080AE
oklch(63.1% 0.07 300.3)
-
Step 600
600
#7A699A
oklch(55.6% 0.077 299.8)
-
Step 700
700 (this color)
#63537F
oklch(47.6% 0.072 300.4)
-
Step 800
800
#54476B
oklch(42.6% 0.06 300.4)
-
Step 900
900
#453C57
oklch(37.7% 0.047 299.5)
-
Step 950
950
#292333
oklch(27% 0.03 301.6)
#63537F 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) | #495A81 | 0.042 |
| Deuteranopia (no green cones) | #4C5A7E | 0.039 |
| Tritanopia (no blue cones) | #5E5A63 | 0.057 |
| Achromatopsia (no color) | #5B5B5B | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63537F
#63537F
oklch(47.6% 0.072 300.4)
- #576333
#576333
oklch(47.7% 0.072 120.7)
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 #63537F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.033
- Dusk #4E5481 ΔE 0.033
- Twilight #4E518B ΔE 0.040
- Dusky Blue #475F94 ΔE 0.055
- YInMn Blue #415A77 ΔE 0.056
- Muted Purple #805B87 ΔE 0.058
- Dull Purple #84597E ΔE 0.062
- Denim Blue #3B5B92 ΔE 0.062
Use #63537F 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.