#50509E
Closest named color: Twilight (#4E518B). oklch(47.1% 0.123 280.6), rgb(80, 80, 158).
Aa
White text reads best on this color (7.04:1).
About this color
#50509E is a medium-dark, moderately saturated purple. In OKLCH its lightness is 47%, its chroma 0.123 and its hue 281°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.032 away. White text reads best on it, at 7.04:1.
| Hue family | Purples |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.123) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.98:1 |
| White text | 7.04:1 |
Values
| HEX | #50509E |
| RGB | rgb(80, 80, 158) |
| HSL | hsl(240, 33%, 47%) |
| OKLCH | oklch(47.1% 0.123 280.6) |
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 #50509E | 7.04:1 | AAA | Lc -89.2 | Fine for body text |
| Black text on #50509E | 2.98:1 | Fails | Lc 19.8 | Dividers and decoration only |
| #50509E text on white | 7.04:1 | AAA | Lc 84.2 | Fine for body text |
| #50509E text on black | 2.98:1 | Fails | Lc -17.8 | 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
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E7E9F6
oklch(93.6% 0.018 279.1)
-
Step 200
200
#D4D7EF
oklch(88.4% 0.033 280)
-
Step 300
300
#B9BDE7
oklch(80.9% 0.059 280.7)
-
Step 400
400
#959ADB
oklch(70.7% 0.095 280.3)
-
Step 500
500
#7C80D1
oklch(63.1% 0.121 280.2)
-
Step 600
600
#6668BE
oklch(55.6% 0.131 280.2)
-
Step 700
700 (this color)
#50509E
oklch(47.1% 0.123 280.6)
-
Step 800
800
#464685
oklch(42.6% 0.103 281.1)
-
Step 900
900
#3A3C6B
oklch(37.8% 0.08 280)
-
Step 950
950
#22233E
oklch(26.9% 0.05 280.9)
#50509E 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) | #2D5CA1 | 0.048 |
| Deuteranopia (no green cones) | #27569C | 0.049 |
| Tritanopia (no blue cones) | #33616F | 0.108 |
| Achromatopsia (no color) | #595959 | 0.123 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #50509E
#50509E
oklch(47.1% 0.123 280.6)
- #685C00
#685C00
oklch(47.2% 0.098 100.5)
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 #50509E, closest first.
No curated palette has a color within ΔE 0.04 of #50509E.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.032
- Blueberry #464196 ΔE 0.045
- Denim Blue #3B5B92 ΔE 0.046
- Dusky Blue #475F94 ΔE 0.048
- Dusk #4E5481 ΔE 0.051
- Dark Slate Blue #483D8B ΔE 0.058
- Dusk Blue #26538D ΔE 0.060
- Light Navy Blue #2E5A88 ΔE 0.064
Use #50509E 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.