#503A9F
Closest named color: Blueberry (#464196). oklch(43.2% 0.156 288.1), rgb(80, 58, 159).
Aa
White text reads best on this color (8.58:1).
About this color
#503A9F is a dark, vivid purple. In OKLCH its lightness is 43%, its chroma 0.156 and its hue 288°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.027 away. White text reads best on it, at 8.58:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | vivid (0.156) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.44:1 |
| White text | 8.58:1 |
Values
| HEX | #503A9F |
| RGB | rgb(80, 58, 159) |
| HSL | hsl(253, 47%, 43%) |
| OKLCH | oklch(43.2% 0.156 288.1) |
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 #503A9F | 8.58:1 | AAA | Lc -93.6 | Preferred for body text |
| Black text on #503A9F | 2.44:1 | Fails | Lc 14.9 | Not readable |
| #503A9F text on white | 8.58:1 | AAA | Lc 89.1 | Fine for body text |
| #503A9F text on black | 2.44:1 | Fails | Lc -13.2 | Not readable |
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
#F5F4FD
oklch(97% 0.012 291.3)
-
Step 100
100
#E8E7FB
oklch(93.5% 0.027 288.2)
-
Step 200
200
#D7D5FA
oklch(88.6% 0.051 287.8)
-
Step 300
300
#BDB8F9
oklch(81% 0.091 287.7)
-
Step 400
400
#9D90F6
oklch(70.7% 0.146 287.9)
-
Step 500
500
#8770F2
oklch(63% 0.187 287.9)
-
Step 600
600
#7354E0
oklch(55.6% 0.203 288.1)
-
Step 700
700
#6143C3
oklch(49.1% 0.189 288.1)
-
Step 800
800 (this color)
#503A9F
oklch(43.2% 0.156 288.1)
-
Step 900
900
#41327D
oklch(37.7% 0.122 288.3)
-
Step 950
950
#261E49
oklch(27% 0.077 288.7)
#503A9F 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) | #004EA2 | 0.084 |
| Deuteranopia (no green cones) | #00499D | 0.082 |
| Tritanopia (no blue cones) | #355267 | 0.128 |
| Achromatopsia (no color) | #4C4C4C | 0.157 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #503A9F
#503A9F
oklch(43.2% 0.156 288.1)
- #565300
#565300
oklch(43.1% 0.093 107.3)
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 #503A9F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.027
- Dark Slate Blue #483D8B ΔE 0.036
- Rebecca Purple #663399 ΔE 0.043
- Blue With A Hint Of Purple #533CC6 ΔE 0.063
- Chrysanthemum #560BAD ΔE 0.069
- Sapphire #2138AB ΔE 0.071
- Twilight #4E518B ΔE 0.071
- Blurple #5539CC ΔE 0.072
Use #503A9F 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.