#504E8D
Closest named color: Twilight (#4E518B). oklch(45.6% 0.101 283.1), rgb(80, 78, 141).
Aa
White text reads best on this color (7.45:1).
About this color
#504E8D is a medium-dark, moderately saturated purple. In OKLCH its lightness is 46%, its chroma 0.101 and its hue 283°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.010 away. White text reads best on it, at 7.45:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.101) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.81:1 |
| White text | 7.45:1 |
Values
| HEX | #504E8D |
| RGB | rgb(80, 78, 141) |
| HSL | hsl(242, 29%, 43%) |
| OKLCH | oklch(45.6% 0.101 283.1) |
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 #504E8D | 7.45:1 | AAA | Lc -90.6 | Preferred for body text |
| Black text on #504E8D | 2.81:1 | Fails | Lc 18.2 | Dividers and decoration only |
| #504E8D text on white | 7.45:1 | AAA | Lc 85.8 | Fine for body text |
| #504E8D text on black | 2.81:1 | Fails | Lc -16.2 | 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 800.
-
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
#D5D7EF
oklch(88.5% 0.033 281.9)
-
Step 300
300
#BBBCE6
oklch(80.8% 0.059 283.9)
-
Step 400
400
#9899DA
oklch(70.7% 0.094 283)
-
Step 500
500
#807FD0
oklch(63.2% 0.12 283)
-
Step 600
600
#6A67BD
oklch(55.7% 0.131 282.9)
-
Step 700
700
#5955A3
oklch(49.2% 0.122 283.3)
-
Step 800
800 (this color)
#504E8D
oklch(45.6% 0.101 283.1)
-
Step 900
900
#3C3B6A
oklch(37.7% 0.079 282.9)
-
Step 950
950
#23233E
oklch(27% 0.05 282.6)
#504E8D 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) | #37578F | 0.039 |
| Deuteranopia (no green cones) | #34538C | 0.039 |
| Tritanopia (no blue cones) | #3D5B66 | 0.088 |
| Achromatopsia (no color) | #555555 | 0.101 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #504E8D
#504E8D
oklch(45.6% 0.101 283.1)
- #615900
#615900
oklch(45.7% 0.096 103.5)
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 #504E8D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.010
- Dusk #4E5481 ΔE 0.029
- Denim Blue #3B5B92 ΔE 0.042
- Blueberry #464196 ΔE 0.044
- Dusky Blue #475F94 ΔE 0.047
- Dark Slate Blue #483D8B ΔE 0.049
- Dusk Blue #26538D ΔE 0.052
- Dusty Grape #545775 ΔE 0.053
Use #504E8D 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.