#504A9D
Closest named color: Blueberry (#464196). oklch(45.9% 0.131 283.2), rgb(80, 74, 157).
Aa
White text reads best on this color (7.48:1).
About this color
#504A9D is a medium-dark, moderately saturated purple. In OKLCH its lightness is 46%, its chroma 0.131 and its hue 283°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.031 away. White text reads best on it, at 7.48:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.131) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.80:1 |
| White text | 7.48:1 |
Values
| HEX | #504A9D |
| RGB | rgb(80, 74, 157) |
| HSL | hsl(244, 36%, 45%) |
| OKLCH | oklch(45.9% 0.131 283.2) |
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 #504A9D | 7.48:1 | AAA | Lc -90.6 | Preferred for body text |
| Black text on #504A9D | 2.80:1 | Fails | Lc 18.2 | Dividers and decoration only |
| #504A9D text on white | 7.48:1 | AAA | Lc 85.8 | Fine for body text |
| #504A9D text on black | 2.80:1 | Fails | Lc -16.3 | 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
#F4F5FC
oklch(97.1% 0.009 279.7)
-
Step 100
100
#E7E8F9
oklch(93.5% 0.023 283.3)
-
Step 200
200
#D5D6F5
oklch(88.5% 0.042 284)
-
Step 300
300
#B9BBF1
oklch(80.9% 0.076 282.9)
-
Step 400
400
#9796EA
oklch(70.8% 0.122 283.4)
-
Step 500
500
#7F79E4
oklch(63.1% 0.157 283.5)
-
Step 600
600
#6960D1
oklch(55.6% 0.168 283)
-
Step 700
700
#584EB5
oklch(49% 0.157 283.3)
-
Step 800
800 (this color)
#504A9D
oklch(45.9% 0.131 283.2)
-
Step 900
900
#3C3875
oklch(37.8% 0.101 283.4)
-
Step 950
950
#232145
oklch(27% 0.065 283.6)
#504A9D 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) | #2158A0 | 0.060 |
| Deuteranopia (no green cones) | #1C529B | 0.060 |
| Tritanopia (no blue cones) | #355C6C | 0.111 |
| Achromatopsia (no color) | #555555 | 0.131 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #504A9D
#504A9D
oklch(45.9% 0.131 283.2)
- #625900
#625900
oklch(45.8% 0.096 102.7)
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 #504A9D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.031
- Twilight #4E518B ΔE 0.038
- Dark Slate Blue #483D8B ΔE 0.045
- Denim Blue #3B5B92 ΔE 0.057
- Dusk #4E5481 ΔE 0.058
- Rebecca Purple #663399 ΔE 0.062
- Dusky Blue #475F94 ΔE 0.062
- Dusk Blue #26538D ΔE 0.063
Use #504A9D 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.