#503BA6
Closest named color: Blueberry (#464196). oklch(43.9% 0.164 286.6), rgb(80, 59, 166).
Aa
White text reads best on this color (8.34:1).
About this color
#503BA6 is a dark, vivid purple. In OKLCH its lightness is 44%, its chroma 0.164 and its hue 287°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.033 away. White text reads best on it, at 8.34:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | vivid (0.164) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.51:1 |
| White text | 8.34:1 |
Values
| HEX | #503BA6 |
| RGB | rgb(80, 59, 166) |
| HSL | hsl(252, 48%, 44%) |
| OKLCH | oklch(43.9% 0.164 286.6) |
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 #503BA6 | 8.34:1 | AAA | Lc -92.9 | Preferred for body text |
| Black text on #503BA6 | 2.51:1 | Fails | Lc 15.7 | Dividers and decoration only |
| #503BA6 text on white | 8.34:1 | AAA | Lc 88.3 | Fine for body text |
| #503BA6 text on black | 2.51:1 | Fails | Lc -13.9 | 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
#F4F4FE
oklch(97% 0.013 286.1)
-
Step 100
100
#E8E8FC
oklch(93.7% 0.027 285.9)
-
Step 200
200
#D6D5FB
oklch(88.6% 0.052 286.5)
-
Step 300
300
#BBB8FC
oklch(80.9% 0.095 286.1)
-
Step 400
400
#9B8FFA
oklch(70.6% 0.153 286.9)
-
Step 500
500
#856FF8
oklch(63.1% 0.197 286.7)
-
Step 600
600
#7052E7
oklch(55.5% 0.214 286.4)
-
Step 700
700
#5F41C8
oklch(49% 0.198 286.8)
-
Step 800
800 (this color)
#503BA6
oklch(43.9% 0.164 286.6)
-
Step 900
900
#3F3181
oklch(37.6% 0.129 286.5)
-
Step 950
950
#251E4B
oklch(27% 0.08 286.9)
#503BA6 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) | #0051A9 | 0.084 |
| Deuteranopia (no green cones) | #004BA4 | 0.081 |
| Tritanopia (no blue cones) | #30556B | 0.135 |
| Achromatopsia (no color) | #4E4E4E | 0.165 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #503BA6
#503BA6
oklch(43.9% 0.164 286.6)
- #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 #503BA6, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.033
- Dark Slate Blue #483D8B ΔE 0.046
- Rebecca Purple #663399 ΔE 0.048
- Blue With A Hint Of Purple #533CC6 ΔE 0.051
- Blurple #5539CC ΔE 0.061
- Bluey Purple #6241C7 ΔE 0.062
- Majorelle Blue #3F37C9 ΔE 0.063
- Chrysanthemum #560BAD ΔE 0.067
Use #503BA6 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.