#504F7E
Closest named color: Dusk (#4E5481). oklch(45% 0.076 283.9), rgb(80, 79, 126).
Aa
White text reads best on this color (7.60:1).
About this color
#504F7E is a dark, moderately saturated purple. In OKLCH its lightness is 45%, its chroma 0.076 and its hue 284°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk (#4E5481), ΔE 0.014 away. White text reads best on it, at 7.60:1.
| Hue family | Purples |
| Lightness | dark (45%) |
| Chroma | moderately saturated (0.076) |
| Temperature | cool |
| Nearest name | Dusk (#4E5481) |
| Black text | 2.76:1 |
| White text | 7.60:1 |
Values
| HEX | #504F7E |
| RGB | rgb(80, 79, 126) |
| HSL | hsl(241, 23%, 40%) |
| OKLCH | oklch(45% 0.076 283.9) |
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 #504F7E | 7.60:1 | AAA | Lc -91.2 | Preferred for body text |
| Black text on #504F7E | 2.76:1 | Fails | Lc 17.6 | Dividers and decoration only |
| #504F7E text on white | 7.60:1 | AAA | Lc 86.4 | Fine for body text |
| #504F7E text on black | 2.76:1 | Fails | Lc -15.7 | 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
#E8E9F2
oklch(93.6% 0.012 281.1)
-
Step 200
200
#D7D7E9
oklch(88.5% 0.025 285.9)
-
Step 300
300
#BCBDDD
oklch(80.8% 0.045 283.9)
-
Step 400
400
#9A9BCC
oklch(70.6% 0.071 283.5)
-
Step 500
500
#8282BF
oklch(63.1% 0.091 283.5)
-
Step 600
600
#6C6BAB
oklch(55.6% 0.098 283.4)
-
Step 700
700
#5B5993
oklch(49.2% 0.092 284.1)
-
Step 800
800 (this color)
#504F7E
oklch(45% 0.076 283.9)
-
Step 900
900
#3E3D60
oklch(37.7% 0.059 284.5)
-
Step 950
950
#242438
oklch(27% 0.037 283.7)
#504F7E 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) | #405580 | 0.027 |
| Deuteranopia (no green cones) | #3F527D | 0.025 |
| Tritanopia (no blue cones) | #445860 | 0.067 |
| Achromatopsia (no color) | #545454 | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #504F7E
#504F7E
oklch(45% 0.076 283.9)
- #5C571F
#5C571F
oklch(44.9% 0.076 104.2)
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 #504F7E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.014
- Twilight #4E518B ΔE 0.021
- Dusty Grape #545775 ΔE 0.032
- YInMn Blue #415A77 ΔE 0.042
- Denim Blue #3B5B92 ΔE 0.047
- Light Navy Blue #2E5A88 ΔE 0.049
- Dusky Blue #475F94 ΔE 0.051
- Dusk Blue #26538D ΔE 0.055
Use #504F7E 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.