#504E7D
Closest named color: Dusk (#4E5481). oklch(44.7% 0.076 284.8), rgb(80, 78, 125).
Aa
White text reads best on this color (7.70:1).
About this color
#504E7D is a dark, moderately saturated purple. In OKLCH its lightness is 45%, its chroma 0.076 and its hue 285°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk (#4E5481), ΔE 0.017 away. White text reads best on it, at 7.70:1.
| Hue family | Purples |
| Lightness | dark (45%) |
| Chroma | moderately saturated (0.076) |
| Temperature | cool |
| Nearest name | Dusk (#4E5481) |
| Black text | 2.72:1 |
| White text | 7.70:1 |
Values
| HEX | #504E7D |
| RGB | rgb(80, 78, 125) |
| HSL | hsl(243, 23%, 40%) |
| OKLCH | oklch(44.7% 0.076 284.8) |
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 #504E7D | 7.70:1 | AAA | Lc -91.5 | Preferred for body text |
| Black text on #504E7D | 2.72:1 | Fails | Lc 17.3 | Dividers and decoration only |
| #504E7D text on white | 7.70:1 | AAA | Lc 86.7 | Fine for body text |
| #504E7D text on black | 2.72:1 | Fails | Lc -15.4 | 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
#F5F5F9
oklch(97.1% 0.005 286.3)
-
Step 100
100
#E9E9F2
oklch(93.7% 0.012 286.2)
-
Step 200
200
#D7D7E9
oklch(88.5% 0.025 285.9)
-
Step 300
300
#BDBDDD
oklch(80.9% 0.045 285.4)
-
Step 400
400
#9B9BCC
oklch(70.7% 0.071 284.4)
-
Step 500
500
#8382BF
oklch(63.2% 0.091 284.2)
-
Step 600
600
#6D6AAB
oklch(55.5% 0.1 284.8)
-
Step 700
700
#5B5893
oklch(49% 0.093 284.7)
-
Step 800
800 (this color)
#504E7D
oklch(44.7% 0.076 284.8)
-
Step 900
900
#3E3D60
oklch(37.7% 0.059 284.5)
-
Step 950
950
#242438
oklch(27% 0.037 283.7)
#504E7D 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) | #3F547F | 0.028 |
| Deuteranopia (no green cones) | #3E527C | 0.028 |
| Tritanopia (no blue cones) | #44575F | 0.067 |
| Achromatopsia (no color) | #535353 | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #504E7D
#504E7D
oklch(44.7% 0.076 284.8)
- #5B571F
#5B571F
oklch(44.8% 0.076 105.2)
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 #504E7D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.017
- Twilight #4E518B ΔE 0.023
- Dusty Grape #545775 ΔE 0.034
- YInMn Blue #415A77 ΔE 0.043
- Denim Blue #3B5B92 ΔE 0.049
- Light Navy Blue #2E5A88 ΔE 0.051
- Dusky Blue #475F94 ΔE 0.054
- Dusk Blue #26538D ΔE 0.056
Use #504E7D 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.