#63609E
Closest named color: Dusky Blue (#475F94). oklch(51.9% 0.097 284.7), rgb(99, 96, 158).
Aa
White text reads best on this color (5.67:1).
About this color
#63609E is a medium-dark, moderately saturated purple. In OKLCH its lightness is 52%, its chroma 0.097 and its hue 285°. Its hue sits on the cool side of the wheel. The nearest named color is Dusky Blue (#475F94), ΔE 0.044 away. White text reads best on it, at 5.67:1.
| Hue family | Purples |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.097) |
| Temperature | cool |
| Nearest name | Dusky Blue (#475F94) |
| Black text | 3.69:1 |
| White text | 5.67:1 |
Values
| HEX | #63609E |
| RGB | rgb(99, 96, 158) |
| HSL | hsl(243, 24%, 50%) |
| OKLCH | oklch(51.9% 0.097 284.7) |
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 #63609E | 5.67:1 | AA | Lc -83.6 | Fine for body text |
| Black text on #63609E | 3.69:1 | AA large text | Lc 25.7 | Dividers and decoration only |
| #63609E text on white | 5.67:1 | AA | Lc 78.3 | Fine for body text |
| #63609E text on black | 3.69:1 | AA large text | Lc -23.5 | 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
#F5F5FA
oklch(97.2% 0.007 286.3)
-
Step 100
100
#E8E9F3
oklch(93.6% 0.013 281.6)
-
Step 200
200
#D7D7EA
oklch(88.5% 0.026 285.9)
-
Step 300
300
#BDBDDE
oklch(80.9% 0.046 285.3)
-
Step 400
400
#9B9BCE
oklch(70.8% 0.074 284.3)
-
Step 500
500
#8381C1
oklch(63.1% 0.095 284.7)
-
Step 600
600
#6D6AAE
oklch(55.7% 0.104 284.5)
-
Step 700
700 (this color)
#63609E
oklch(51.9% 0.097 284.7)
-
Step 800
800
#4A4879
oklch(42.6% 0.08 284.3)
-
Step 900
900
#3E3D61
oklch(37.8% 0.061 284.4)
-
Step 950
950
#242439
oklch(27.1% 0.039 283.5)
#63609E 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) | #4C69A0 | 0.037 |
| Deuteranopia (no green cones) | #4A659D | 0.036 |
| Tritanopia (no blue cones) | #536C77 | 0.084 |
| Achromatopsia (no color) | #676767 | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63609E
#63609E
oklch(51.9% 0.097 284.7)
- #716B1E
#716B1E
oklch(51.8% 0.096 104.8)
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 #63609E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusky Blue #475F94 ΔE 0.044
- French Blue #436BAD ΔE 0.049
- Muted Purple #805B87 ΔE 0.058
- Twilight #4E518B ΔE 0.060
- Denim Blue #3B5B92 ΔE 0.061
- Dusty Purple #825F87 ΔE 0.061
- Dark Lavender #856798 ΔE 0.061
- Denim #3B638C ΔE 0.063
Use #63609E 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.