#63557F
Closest named color: Dusty Grape (#545775). oklch(48% 0.068 299.1), rgb(99, 85, 127).
Aa
White text reads best on this color (6.69:1).
About this color
#63557F is a medium-dark, muted purple. In OKLCH its lightness is 48%, its chroma 0.068 and its hue 299°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dusty Grape (#545775), ΔE 0.031 away. White text reads best on it, at 6.69:1.
| Hue family | Purples |
| Lightness | medium-dark (48%) |
| Chroma | muted (0.068) |
| Temperature | in between |
| Nearest name | Dusty Grape (#545775) |
| Black text | 3.13:1 |
| White text | 6.69:1 |
Values
| HEX | #63557F |
| RGB | rgb(99, 85, 127) |
| HSL | hsl(260, 20%, 42%) |
| OKLCH | oklch(48% 0.068 299.1) |
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 #63557F | 6.69:1 | AA | Lc -88.0 | Fine for body text |
| Black text on #63557F | 3.13:1 | AA large text | Lc 21.0 | Dividers and decoration only |
| #63557F text on white | 6.69:1 | AA | Lc 83.0 | Fine for body text |
| #63557F text on black | 3.13:1 | AA large text | Lc -18.9 | 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
#EAE8EF
oklch(93.5% 0.01 299.2)
-
Step 200
200
#DAD7E4
oklch(88.5% 0.018 296.6)
-
Step 300
300
#C3BCD3
oklch(80.8% 0.033 299.5)
-
Step 400
400
#A59ABD
oklch(70.7% 0.052 299.4)
-
Step 500
500
#8F81AD
oklch(63.2% 0.067 299.1)
-
Step 600
600
#796A99
oklch(55.7% 0.073 298.6)
-
Step 700
700 (this color)
#63557F
oklch(48% 0.068 299.1)
-
Step 800
800
#53486A
oklch(42.7% 0.057 298.8)
-
Step 900
900
#453C56
oklch(37.6% 0.045 300.1)
-
Step 950
950
#282332
oklch(26.8% 0.028 299.8)
#63557F 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) | #4B5C81 | 0.039 |
| Deuteranopia (no green cones) | #4E5C7E | 0.036 |
| Tritanopia (no blue cones) | #5E5C64 | 0.055 |
| Achromatopsia (no color) | #5C5C5C | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63557F
#63557F
oklch(48% 0.068 299.1)
- #596336
#596336
oklch(48% 0.067 119.3)
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 #63557F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.031
- Dusk #4E5481 ΔE 0.034
- Twilight #4E518B ΔE 0.042
- Dusky Blue #475F94 ΔE 0.052
- YInMn Blue #415A77 ΔE 0.054
- Muted Purple #805B87 ΔE 0.055
- Dull Purple #84597E ΔE 0.060
- Denim Blue #3B5B92 ΔE 0.061
Use #63557F 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.