#504A7F
Closest named color: Twilight (#4E518B). oklch(44% 0.086 287.5), rgb(80, 74, 127).
Aa
White text reads best on this color (7.99:1).
About this color
#504A7F is a dark, moderately saturated purple. In OKLCH its lightness is 44%, its chroma 0.086 and its hue 288°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.025 away. White text reads best on it, at 7.99:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.086) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.62:1 |
| White text | 7.99:1 |
Values
| HEX | #504A7F |
| RGB | rgb(80, 74, 127) |
| HSL | hsl(247, 26%, 39%) |
| OKLCH | oklch(44% 0.086 287.5) |
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 #504A7F | 7.99:1 | AAA | Lc -92.3 | Preferred for body text |
| Black text on #504A7F | 2.62:1 | Fails | Lc 16.4 | Dividers and decoration only |
| #504A7F text on white | 7.99:1 | AAA | Lc 87.6 | Fine for body text |
| #504A7F text on black | 2.62:1 | Fails | Lc -14.5 | Not readable |
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 800.
-
Step 50
50
#F5F5FA
oklch(97.2% 0.007 286.3)
-
Step 100
100
#E9E9F3
oklch(93.7% 0.013 286.1)
-
Step 200
200
#D7D7EB
oklch(88.5% 0.027 285.8)
-
Step 300
300
#BEBCE0
oklch(80.9% 0.05 287.8)
-
Step 400
400
#9D99D0
oklch(70.6% 0.08 287.5)
-
Step 500
500
#867FC4
oklch(63.1% 0.103 287.7)
-
Step 600
600
#7068B1
oklch(55.7% 0.111 287.2)
-
Step 700
700
#5E5698
oklch(49.1% 0.104 287.5)
-
Step 800
800 (this color)
#504A7F
oklch(44% 0.086 287.5)
-
Step 900
900
#403B63
oklch(37.6% 0.068 288.4)
-
Step 950
950
#25233A
oklch(27% 0.042 287.2)
#504A7F 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) | #395281 | 0.037 |
| Deuteranopia (no green cones) | #384F7E | 0.036 |
| Tritanopia (no blue cones) | #44545E | 0.073 |
| Achromatopsia (no color) | #515151 | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #504A7F
#504A7F
oklch(44% 0.086 287.5)
- #585511
#585511
oklch(43.9% 0.086 106.8)
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 #504A7F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.025
- Dusk #4E5481 ΔE 0.028
- Dusty Grape #545775 ΔE 0.046
- Dark Slate Blue #483D8B ΔE 0.047
- Blueberry #464196 ΔE 0.052
- YInMn Blue #415A77 ΔE 0.055
- Denim Blue #3B5B92 ΔE 0.055
- Dusk Blue #26538D ΔE 0.057
Use #504A7F 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.