#504D7E
Closest named color: Dusk (#4E5481). oklch(44.5% 0.079 285.5), rgb(80, 77, 126).
Aa
White text reads best on this color (7.76:1).
About this color
#504D7E is a dark, moderately saturated purple. In OKLCH its lightness is 45%, its chroma 0.079 and its hue 285°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk (#4E5481), ΔE 0.020 away. White text reads best on it, at 7.76:1.
| Hue family | Purples |
| Lightness | dark (45%) |
| Chroma | moderately saturated (0.079) |
| Temperature | cool |
| Nearest name | Dusk (#4E5481) |
| Black text | 2.70:1 |
| White text | 7.76:1 |
Values
| HEX | #504D7E |
| RGB | rgb(80, 77, 126) |
| HSL | hsl(244, 24%, 40%) |
| OKLCH | oklch(44.5% 0.079 285.5) |
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 #504D7E | 7.76:1 | AAA | Lc -91.7 | Preferred for body text |
| Black text on #504D7E | 2.70:1 | Fails | Lc 17.1 | Dividers and decoration only |
| #504D7E text on white | 7.76:1 | AAA | Lc 86.9 | Fine for body text |
| #504D7E text on black | 2.70:1 | 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
#F5F5FA
oklch(97.2% 0.007 286.3)
-
Step 100
100
#E9E9F3
oklch(93.7% 0.013 286.1)
-
Step 200
200
#D7D7EA
oklch(88.5% 0.026 285.9)
-
Step 300
300
#BDBDDE
oklch(80.9% 0.046 285.3)
-
Step 400
400
#9C9ACD
oklch(70.6% 0.074 286.1)
-
Step 500
500
#8481C1
oklch(63.1% 0.095 285.5)
-
Step 600
600
#6E6AAD
oklch(55.7% 0.103 285.3)
-
Step 700
700
#5C5895
oklch(49.2% 0.096 285.3)
-
Step 800
800 (this color)
#504D7E
oklch(44.5% 0.079 285.5)
-
Step 900
900
#3E3C61
oklch(37.5% 0.063 285.4)
-
Step 950
950
#252439
oklch(27.2% 0.039 285.7)
#504D7E 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) | #3E5480 | 0.030 |
| Deuteranopia (no green cones) | #3C517D | 0.030 |
| Tritanopia (no blue cones) | #44565F | 0.068 |
| Achromatopsia (no color) | #525252 | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #504D7E
#504D7E
oklch(44.5% 0.079 285.5)
- #5A561B
#5A561B
oklch(44.4% 0.079 105.4)
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 #504D7E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.020
- Twilight #4E518B ΔE 0.022
- Dusty Grape #545775 ΔE 0.038
- YInMn Blue #415A77 ΔE 0.047
- Denim Blue #3B5B92 ΔE 0.050
- Light Navy Blue #2E5A88 ΔE 0.052
- Dark Slate Blue #483D8B ΔE 0.055
- Dusk Blue #26538D ΔE 0.055
Use #504D7E 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.