#504A80
Closest named color: Twilight (#4E518B). oklch(44% 0.087 287.3), rgb(80, 74, 128).
Aa
White text reads best on this color (7.97:1).
About this color
#504A80 is a dark, moderately saturated purple. In OKLCH its lightness is 44%, its chroma 0.087 and its hue 287°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.024 away. White text reads best on it, at 7.97:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.087) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.63:1 |
| White text | 7.97:1 |
Values
| HEX | #504A80 |
| RGB | rgb(80, 74, 128) |
| HSL | hsl(247, 27%, 40%) |
| OKLCH | oklch(44% 0.087 287.3) |
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 #504A80 | 7.97:1 | AAA | Lc -92.3 | Preferred for body text |
| Black text on #504A80 | 2.63:1 | Fails | Lc 16.4 | Dividers and decoration only |
| #504A80 text on white | 7.97:1 | AAA | Lc 87.6 | Fine for body text |
| #504A80 text on black | 2.63:1 | Fails | Lc -14.6 | 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
#E9E9F4
oklch(93.7% 0.015 286.1)
-
Step 200
200
#D7D7EB
oklch(88.5% 0.027 285.8)
-
Step 300
300
#BEBCE1
oklch(80.9% 0.052 287.7)
-
Step 400
400
#9D99D1
oklch(70.7% 0.081 287.4)
-
Step 500
500
#867FC5
oklch(63.1% 0.104 287.6)
-
Step 600
600
#7067B2
oklch(55.5% 0.114 287.6)
-
Step 700
700
#5E5699
oklch(49.2% 0.105 287.4)
-
Step 800
800 (this color)
#504A80
oklch(44% 0.087 287.3)
-
Step 900
900
#3F3B64
oklch(37.6% 0.069 287)
-
Step 950
950
#25233A
oklch(27% 0.042 287.2)
#504A80 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) | #385282 | 0.038 |
| Deuteranopia (no green cones) | #384F7F | 0.036 |
| Tritanopia (no blue cones) | #43545F | 0.073 |
| Achromatopsia (no color) | #515151 | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #504A80
#504A80
oklch(44% 0.087 287.3)
- #58550F
#58550F
oklch(43.9% 0.087 106.9)
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 #504A80, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.024
- Dusk #4E5481 ΔE 0.028
- Dark Slate Blue #483D8B ΔE 0.046
- Dusty Grape #545775 ΔE 0.047
- Blueberry #464196 ΔE 0.050
- Denim Blue #3B5B92 ΔE 0.055
- YInMn Blue #415A77 ΔE 0.056
- Dusk Blue #26538D ΔE 0.056
Use #504A80 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.