#63569A
Closest named color: Twilight (#4E518B). oklch(49.7% 0.106 290.8), rgb(99, 86, 154).
Aa
White text reads best on this color (6.30:1).
About this color
#63569A is a medium-dark, moderately saturated purple. In OKLCH its lightness is 50%, its chroma 0.106 and its hue 291°. 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 6.30:1.
| Hue family | Purples |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.106) |
| Temperature | in between |
| Nearest name | Twilight (#4E518B) |
| Black text | 3.32:1 |
| White text | 6.30:1 |
Values
| HEX | #63569A |
| RGB | rgb(99, 86, 154) |
| HSL | hsl(251, 28%, 47%) |
| OKLCH | oklch(49.7% 0.106 290.8) |
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 #63569A | 6.30:1 | AA | Lc -86.4 | Fine for body text |
| Black text on #63569A | 3.32:1 | AA large text | Lc 22.8 | Dividers and decoration only |
| #63569A text on white | 6.30:1 | AA | Lc 81.3 | Fine for body text |
| #63569A text on black | 3.32:1 | AA large text | Lc -20.6 | 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
#E9E8F3
oklch(93.5% 0.015 290.3)
-
Step 200
200
#D9D6EB
oklch(88.5% 0.029 292.4)
-
Step 300
300
#C0BBE0
oklch(80.8% 0.052 291.4)
-
Step 400
400
#A098D1
oklch(70.7% 0.083 290.6)
-
Step 500
500
#8A7EC4
oklch(63.2% 0.104 291)
-
Step 600
600
#7466B1
oklch(55.6% 0.114 290.8)
-
Step 700
700 (this color)
#63569A
oklch(49.7% 0.106 290.8)
-
Step 800
800
#4F457B
oklch(42.6% 0.088 290.7)
-
Step 900
900
#423B63
oklch(37.8% 0.067 290.8)
-
Step 950
950
#26223A
oklch(26.8% 0.044 290.8)
#63569A 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) | #40619D | 0.053 |
| Deuteranopia (no green cones) | #415E98 | 0.051 |
| Tritanopia (no blue cones) | #556370 | 0.089 |
| Achromatopsia (no color) | #606060 | 0.107 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63569A
#63569A
oklch(49.7% 0.106 290.8)
- #666707
#666707
oklch(49.7% 0.106 110.4)
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 #63569A, closest first.
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 0.047
- Dusk #4E5481 ΔE 0.053
- Denim Blue #3B5B92 ΔE 0.059
- Muted Purple #805B87 ΔE 0.062
- Iris #6258C4 ΔE 0.066
- Dusty Grape #545775 ΔE 0.067
- French Blue #436BAD ΔE 0.068
Use #63569A 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.