#504F87
Closest named color: Twilight (#4E518B). oklch(45.5% 0.09 283), rgb(80, 79, 135).
Aa
White text reads best on this color (7.47:1).
About this color
#504F87 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 45%, its chroma 0.090 and its hue 283°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.008 away. White text reads best on it, at 7.47:1.
| Hue family | Purples |
| Lightness | medium-dark (45%) |
| Chroma | moderately saturated (0.090) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.80:1 |
| White text | 7.47:1 |
Values
| HEX | #504F87 |
| RGB | rgb(80, 79, 135) |
| HSL | hsl(241, 26%, 42%) |
| OKLCH | oklch(45.5% 0.09 283) |
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 #504F87 | 7.47:1 | AAA | Lc -90.7 | Preferred for body text |
| Black text on #504F87 | 2.80:1 | Fails | Lc 18.1 | Dividers and decoration only |
| #504F87 text on white | 7.47:1 | AAA | Lc 85.9 | Fine for body text |
| #504F87 text on black | 2.80:1 | Fails | Lc -16.2 | 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
#E8E9F4
oklch(93.6% 0.015 281.9)
-
Step 200
200
#D6D7EC
oklch(88.5% 0.029 283.6)
-
Step 300
300
#BBBDE2
oklch(80.9% 0.052 282.7)
-
Step 400
400
#999AD4
oklch(70.7% 0.084 283.3)
-
Step 500
500
#8180C9
oklch(63.1% 0.109 283.5)
-
Step 600
600
#6B69B5
oklch(55.7% 0.116 283.2)
-
Step 700
700
#59579C
oklch(49.1% 0.109 283)
-
Step 800
800 (this color)
#504F87
oklch(45.5% 0.09 283)
-
Step 900
900
#3D3C66
oklch(37.7% 0.071 283.5)
-
Step 950
950
#23233C
oklch(26.9% 0.046 282.9)
#504F87 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) | #3C5789 | 0.033 |
| Deuteranopia (no green cones) | #395386 | 0.033 |
| Tritanopia (no blue cones) | #405A64 | 0.078 |
| Achromatopsia (no color) | #555555 | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #504F87
#504F87
oklch(45.5% 0.09 283)
- #60580D
#60580D
oklch(45.4% 0.09 102.8)
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 #504F87, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.008
- Dusk #4E5481 ΔE 0.019
- Denim Blue #3B5B92 ΔE 0.041
- Dusty Grape #545775 ΔE 0.043
- Dusky Blue #475F94 ΔE 0.046
- Light Navy Blue #2E5A88 ΔE 0.049
- YInMn Blue #415A77 ΔE 0.051
- Dusk Blue #26538D ΔE 0.051
Use #504F87 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.