#504DA3
Closest named color: Blueberry (#464196). oklch(46.9% 0.135 281.4), rgb(80, 77, 163).
Aa
White text reads best on this color (7.16:1).
About this color
#504DA3 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 47%, its chroma 0.135 and its hue 281°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.041 away. White text reads best on it, at 7.16:1.
| Hue family | Purples |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.135) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.93:1 |
| White text | 7.16:1 |
Values
| HEX | #504DA3 |
| RGB | rgb(80, 77, 163) |
| HSL | hsl(242, 36%, 47%) |
| OKLCH | oklch(46.9% 0.135 281.4) |
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 #504DA3 | 7.16:1 | AAA | Lc -89.5 | Fine for body text |
| Black text on #504DA3 | 2.93:1 | Fails | Lc 19.4 | Dividers and decoration only |
| #504DA3 text on white | 7.16:1 | AAA | Lc 84.6 | Fine for body text |
| #504DA3 text on black | 2.93:1 | Fails | Lc -17.4 | 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 700.
-
Step 50
50
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E7E9F7
oklch(93.7% 0.019 279.5)
-
Step 200
200
#D4D7F1
oklch(88.5% 0.036 280.4)
-
Step 300
300
#B9BCEB
oklch(80.9% 0.066 281.9)
-
Step 400
400
#9599E0
oklch(70.7% 0.103 280.9)
-
Step 500
500
#7D7ED8
oklch(63.2% 0.133 281.4)
-
Step 600
600
#6765C5
oklch(55.6% 0.145 281.5)
-
Step 700
700 (this color)
#504DA3
oklch(46.9% 0.135 281.4)
-
Step 800
800
#46458A
oklch(42.8% 0.112 281.2)
-
Step 900
900
#3A3A6E
oklch(37.6% 0.087 281.3)
-
Step 950
950
#222341
oklch(27.1% 0.055 280.6)
#504DA3 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) | #215BA6 | 0.058 |
| Deuteranopia (no green cones) | #1954A1 | 0.060 |
| Tritanopia (no blue cones) | #306070 | 0.117 |
| Achromatopsia (no color) | #585858 | 0.135 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #504DA3
#504DA3
oklch(46.9% 0.135 281.4)
- #665C00
#665C00
oklch(47% 0.098 102.1)
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 #504DA3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.041
- Twilight #4E518B ΔE 0.042
- Denim Blue #3B5B92 ΔE 0.056
- Dark Slate Blue #483D8B ΔE 0.056
- Dusky Blue #475F94 ΔE 0.059
- Dusk #4E5481 ΔE 0.062
- Iris #6258C4 ΔE 0.065
- Dusk Blue #26538D ΔE 0.066
Use #504DA3 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.