#504F9A
Closest named color: Twilight (#4E518B). oklch(46.7% 0.119 281.4), rgb(80, 79, 154).
Aa
White text reads best on this color (7.17:1).
About this color
#504F9A is a medium-dark, moderately saturated purple. In OKLCH its lightness is 47%, its chroma 0.119 and its hue 281°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.026 away. White text reads best on it, at 7.17:1.
| Hue family | Purples |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.119) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.92:1 |
| White text | 7.17:1 |
Values
| HEX | #504F9A |
| RGB | rgb(80, 79, 154) |
| HSL | hsl(241, 32%, 46%) |
| OKLCH | oklch(46.7% 0.119 281.4) |
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 #504F9A | 7.17:1 | AAA | Lc -89.7 | Fine for body text |
| Black text on #504F9A | 2.92:1 | Fails | Lc 19.3 | Dividers and decoration only |
| #504F9A text on white | 7.17:1 | AAA | Lc 84.7 | Fine for body text |
| #504F9A text on black | 2.92:1 | Fails | Lc -17.3 | 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
#E8E9F5
oklch(93.7% 0.016 282.3)
-
Step 200
200
#D5D7EE
oklch(88.5% 0.032 281.8)
-
Step 300
300
#BABDE6
oklch(81% 0.058 281.7)
-
Step 400
400
#969AD9
oklch(70.7% 0.092 281)
-
Step 500
500
#7E80CF
oklch(63.2% 0.118 281.4)
-
Step 600
600
#6868BC
oklch(55.7% 0.128 281.4)
-
Step 700
700 (this color)
#504F9A
oklch(46.7% 0.119 281.4)
-
Step 800
800
#474783
oklch(42.8% 0.098 281.5)
-
Step 900
900
#3B3C69
oklch(37.8% 0.076 281.1)
-
Step 950
950
#22233E
oklch(26.9% 0.05 280.9)
#504F9A 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) | #2F5A9D | 0.046 |
| Deuteranopia (no green cones) | #2A5598 | 0.048 |
| Tritanopia (no blue cones) | #365F6D | 0.103 |
| Achromatopsia (no color) | #575757 | 0.119 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #504F9A
#504F9A
oklch(46.7% 0.119 281.4)
- #665B00
#665B00
oklch(46.7% 0.098 101.2)
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 #504F9A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.026
- Blueberry #464196 ΔE 0.042
- Denim Blue #3B5B92 ΔE 0.045
- Dusk #4E5481 ΔE 0.046
- Dusky Blue #475F94 ΔE 0.048
- Dark Slate Blue #483D8B ΔE 0.054
- Dusk Blue #26538D ΔE 0.057
- Light Navy Blue #2E5A88 ΔE 0.061
Use #504F9A 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.