#504F85
Closest named color: Twilight (#4E518B). oklch(45.4% 0.087 283.2), rgb(80, 79, 133).
Aa
White text reads best on this color (7.50:1).
About this color
#504F85 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 45%, its chroma 0.087 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 7.50:1.
| Hue family | Purples |
| Lightness | medium-dark (45%) |
| Chroma | moderately saturated (0.087) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.79:1 |
| White text | 7.50:1 |
Values
| HEX | #504F85 |
| RGB | rgb(80, 79, 133) |
| HSL | hsl(241, 25%, 42%) |
| OKLCH | oklch(45.4% 0.087 283.2) |
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 #504F85 | 7.50:1 | AAA | Lc -90.8 | Preferred for body text |
| Black text on #504F85 | 2.79:1 | Fails | Lc 18.0 | Dividers and decoration only |
| #504F85 text on white | 7.50:1 | AAA | Lc 86.0 | Fine for body text |
| #504F85 text on black | 2.79:1 | Fails | Lc -16.0 | 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
#E8E9F4
oklch(93.6% 0.015 281.9)
-
Step 200
200
#D6D7EC
oklch(88.5% 0.029 283.6)
-
Step 300
300
#BBBDE1
oklch(80.9% 0.051 282.7)
-
Step 400
400
#999AD2
oklch(70.6% 0.081 283.3)
-
Step 500
500
#8181C6
oklch(63.2% 0.103 283.1)
-
Step 600
600
#6B69B3
oklch(55.6% 0.113 283.3)
-
Step 700
700
#59579A
oklch(49% 0.106 283.1)
-
Step 800
800 (this color)
#504F85
oklch(45.4% 0.087 283.2)
-
Step 900
900
#3D3C64
oklch(37.6% 0.068 283.8)
-
Step 950
950
#24233B
oklch(26.9% 0.044 284.9)
#504F85 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) | #3D5687 | 0.031 |
| Deuteranopia (no green cones) | #3B5384 | 0.031 |
| Tritanopia (no blue cones) | #415A63 | 0.077 |
| Achromatopsia (no color) | #555555 | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #504F85
#504F85
oklch(45.4% 0.087 283.2)
- #5F5812
#5F5812
oklch(45.4% 0.087 103.4)
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 #504F85, 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 0.017
- Dusty Grape #545775 ΔE 0.041
- Denim Blue #3B5B92 ΔE 0.042
- Dusky Blue #475F94 ΔE 0.047
- YInMn Blue #415A77 ΔE 0.048
- Light Navy Blue #2E5A88 ΔE 0.049
- Dusk Blue #26538D ΔE 0.052
Use #504F85 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.