#504D83
Closest named color: Twilight (#4E518B). oklch(44.8% 0.087 284.8), rgb(80, 77, 131).
Aa
White text reads best on this color (7.69:1).
About this color
#504D83 is a dark, moderately saturated purple. In OKLCH its lightness is 45%, its chroma 0.087 and its hue 285°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.015 away. White text reads best on it, at 7.69:1.
| Hue family | Purples |
| Lightness | dark (45%) |
| Chroma | moderately saturated (0.087) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.73:1 |
| White text | 7.69:1 |
Values
| HEX | #504D83 |
| RGB | rgb(80, 77, 131) |
| HSL | hsl(243, 26%, 41%) |
| OKLCH | oklch(44.8% 0.087 284.8) |
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 #504D83 | 7.69:1 | AAA | Lc -91.4 | Preferred for body text |
| Black text on #504D83 | 2.73:1 | Fails | Lc 17.4 | Dividers and decoration only |
| #504D83 text on white | 7.69:1 | AAA | Lc 86.6 | Fine for body text |
| #504D83 text on black | 2.73:1 | Fails | Lc -15.4 | 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
#D7D7EC
oklch(88.6% 0.029 285.8)
-
Step 300
300
#BCBDE1
oklch(80.9% 0.051 284)
-
Step 400
400
#9B9AD2
oklch(70.8% 0.081 284.9)
-
Step 500
500
#8380C6
oklch(63.1% 0.104 285)
-
Step 600
600
#6D68B3
oklch(55.5% 0.114 285.1)
-
Step 700
700
#5B579A
oklch(49.2% 0.105 284.5)
-
Step 800
800 (this color)
#504D83
oklch(44.8% 0.087 284.8)
-
Step 900
900
#3E3C64
oklch(37.7% 0.068 285)
-
Step 950
950
#24233B
oklch(26.9% 0.044 284.9)
#504D83 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) | #3B5585 | 0.034 |
| Deuteranopia (no green cones) | #395182 | 0.033 |
| Tritanopia (no blue cones) | #425761 | 0.075 |
| Achromatopsia (no color) | #535353 | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #504D83
#504D83
oklch(44.8% 0.087 284.8)
- #5C5711
#5C5711
oklch(44.8% 0.087 105.2)
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 #504D83, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.015
- Dusk #4E5481 ΔE 0.021
- Dusty Grape #545775 ΔE 0.043
- Denim Blue #3B5B92 ΔE 0.047
- Dark Slate Blue #483D8B ΔE 0.051
- YInMn Blue #415A77 ΔE 0.051
- Blueberry #464196 ΔE 0.052
- Light Navy Blue #2E5A88 ΔE 0.052
Use #504D83 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.