#503EA1
Closest named color: Blueberry (#464196). oklch(44% 0.153 286.6), rgb(80, 62, 161).
Aa
White text reads best on this color (8.25:1).
About this color
#503EA1 is a dark, vivid purple. In OKLCH its lightness is 44%, its chroma 0.153 and its hue 287°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.025 away. White text reads best on it, at 8.25:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | vivid (0.153) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.54:1 |
| White text | 8.25:1 |
Values
| HEX | #503EA1 |
| RGB | rgb(80, 62, 161) |
| HSL | hsl(251, 44%, 44%) |
| OKLCH | oklch(44% 0.153 286.6) |
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 #503EA1 | 8.25:1 | AAA | Lc -92.8 | Preferred for body text |
| Black text on #503EA1 | 2.54:1 | Fails | Lc 15.9 | Dividers and decoration only |
| #503EA1 text on white | 8.25:1 | AAA | Lc 88.1 | Fine for body text |
| #503EA1 text on black | 2.54:1 | Fails | Lc -14.0 | 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
#F4F4FD
oklch(97% 0.012 286.2)
-
Step 100
100
#E8E8FB
oklch(93.7% 0.026 285.9)
-
Step 200
200
#D6D5F9
oklch(88.5% 0.049 286.6)
-
Step 300
300
#BCB8F8
oklch(80.8% 0.09 287.1)
-
Step 400
400
#9B91F5
oklch(70.7% 0.144 286.7)
-
Step 500
500
#8572F1
oklch(63.2% 0.183 286.8)
-
Step 600
600
#7056DF
oklch(55.5% 0.199 286.7)
-
Step 700
700
#5E45C2
oklch(49% 0.186 286.6)
-
Step 800
800 (this color)
#503EA1
oklch(44% 0.153 286.6)
-
Step 900
900
#3F337D
oklch(37.7% 0.12 286.5)
-
Step 950
950
#251F49
oklch(27.1% 0.075 286.8)
#503EA1 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) | #0051A4 | 0.081 |
| Deuteranopia (no green cones) | #004C9F | 0.079 |
| Tritanopia (no blue cones) | #335569 | 0.128 |
| Achromatopsia (no color) | #4F4F4F | 0.154 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #503EA1
#503EA1
oklch(44% 0.153 286.6)
- #595500
#595500
oklch(43.9% 0.094 106.5)
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 #503EA1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.025
- Dark Slate Blue #483D8B ΔE 0.038
- Rebecca Purple #663399 ΔE 0.046
- Blue With A Hint Of Purple #533CC6 ΔE 0.059
- Twilight #4E518B ΔE 0.064
- Bluey Purple #6241C7 ΔE 0.068
- Blurple #5539CC ΔE 0.069
- Sapphire #2138AB ΔE 0.071
Use #503EA1 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.