#63509C
Closest named color: Twilight (#4E518B). oklch(48.7% 0.119 293), rgb(99, 80, 156).
Aa
White text reads best on this color (6.64:1).
About this color
#63509C is a medium-dark, moderately saturated purple. In OKLCH its lightness is 49%, its chroma 0.119 and its hue 293°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.044 away. White text reads best on it, at 6.64:1.
| Hue family | Purples |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.119) |
| Temperature | in between |
| Nearest name | Twilight (#4E518B) |
| Black text | 3.15:1 |
| White text | 6.64:1 |
Values
| HEX | #63509C |
| RGB | rgb(99, 80, 156) |
| HSL | hsl(255, 32%, 46%) |
| OKLCH | oklch(48.7% 0.119 293) |
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 #63509C | 6.64:1 | AA | Lc -87.7 | Fine for body text |
| Black text on #63509C | 3.15:1 | AA large text | Lc 21.3 | Dividers and decoration only |
| #63509C text on white | 6.64:1 | AA | Lc 82.7 | Fine for body text |
| #63509C text on black | 3.15:1 | AA large text | Lc -19.2 | 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
#EAE8F4
oklch(93.6% 0.016 293.7)
-
Step 200
200
#D9D6ED
oklch(88.5% 0.031 291.7)
-
Step 300
300
#C1BAE3
oklch(80.8% 0.058 292.9)
-
Step 400
400
#A296D5
oklch(70.7% 0.092 292.6)
-
Step 500
500
#8C7BCA
oklch(63.1% 0.117 292.6)
-
Step 600
600
#7763B7
oklch(55.7% 0.128 292.7)
-
Step 700
700 (this color)
#63509C
oklch(48.7% 0.119 293)
-
Step 800
800
#524380
oklch(42.8% 0.099 293.1)
-
Step 900
900
#433966
oklch(37.7% 0.076 292.6)
-
Step 950
950
#27223C
oklch(27.1% 0.048 291.7)
#63509C 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) | #355D9F | 0.067 |
| Deuteranopia (no green cones) | #385B9A | 0.064 |
| Tritanopia (no blue cones) | #555F6E | 0.098 |
| Achromatopsia (no color) | #5C5C5C | 0.120 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63509C
#63509C
oklch(48.7% 0.119 293)
- #606500
#606500
oklch(48.6% 0.108 113.1)
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 #63509C, closest first.
No curated palette has a color within ΔE 0.04 of #63509C.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.044
- Dusky Blue #475F94 ΔE 0.058
- Dusk #4E5481 ΔE 0.058
- Iris #6258C4 ΔE 0.064
- Denim Blue #3B5B92 ΔE 0.065
- Blueberry #464196 ΔE 0.065
- Rebecca Purple #663399 ΔE 0.067
- Muted Purple #805B87 ΔE 0.073
Use #63509C 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.