#504E7A
Closest named color: Dusk (#4E5481). oklch(44.5% 0.071 285.2), rgb(80, 78, 122).
Aa
White text reads best on this color (7.74:1).
About this color
#504E7A is a dark, moderately saturated purple. In OKLCH its lightness is 45%, its chroma 0.071 and its hue 285°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk (#4E5481), ΔE 0.018 away. White text reads best on it, at 7.74:1.
| Hue family | Purples |
| Lightness | dark (45%) |
| Chroma | moderately saturated (0.071) |
| Temperature | cool |
| Nearest name | Dusk (#4E5481) |
| Black text | 2.71:1 |
| White text | 7.74:1 |
Values
| HEX | #504E7A |
| RGB | rgb(80, 78, 122) |
| HSL | hsl(243, 22%, 39%) |
| OKLCH | oklch(44.5% 0.071 285.2) |
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 #504E7A | 7.74:1 | AAA | Lc -91.6 | Preferred for body text |
| Black text on #504E7A | 2.71:1 | Fails | Lc 17.2 | Dividers and decoration only |
| #504E7A text on white | 7.74:1 | AAA | Lc 86.9 | Fine for body text |
| #504E7A text on black | 2.71:1 | Fails | Lc -15.2 | 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
#F5F5F9
oklch(97.1% 0.005 286.3)
-
Step 100
100
#E9E9F2
oklch(93.7% 0.012 286.2)
-
Step 200
200
#D7D7E8
oklch(88.4% 0.023 285.9)
-
Step 300
300
#BDBDDB
oklch(80.8% 0.042 285.4)
-
Step 400
400
#9C9BC9
oklch(70.7% 0.067 285.6)
-
Step 500
500
#8482BB
oklch(63.1% 0.085 285.3)
-
Step 600
600
#6E6BA7
oklch(55.6% 0.092 285.3)
-
Step 700
700
#5C5990
oklch(49.1% 0.087 285.2)
-
Step 800
800 (this color)
#504E7A
oklch(44.5% 0.071 285.2)
-
Step 900
900
#3F3D5E
oklch(37.7% 0.056 286.2)
-
Step 950
950
#252437
oklch(27% 0.035 286.2)
#504E7A 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) | #41547C | 0.026 |
| Deuteranopia (no green cones) | #405179 | 0.024 |
| Tritanopia (no blue cones) | #45565E | 0.062 |
| Achromatopsia (no color) | #535353 | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #504E7A
#504E7A
oklch(44.5% 0.071 285.2)
- #5A5623
#5A5623
oklch(44.5% 0.071 104.8)
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 #504E7A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.018
- Twilight #4E518B ΔE 0.028
- Dusty Grape #545775 ΔE 0.031
- YInMn Blue #415A77 ΔE 0.041
- Light Navy Blue #2E5A88 ΔE 0.052
- Denim Blue #3B5B92 ΔE 0.052
- Dusky Blue #475F94 ΔE 0.057
- Dusk Blue #26538D ΔE 0.058
Use #504E7A 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.