#503D97
Closest named color: Blueberry (#464196). oklch(43.1% 0.141 288.8), rgb(80, 61, 151).
Aa
White text reads best on this color (8.55:1).
About this color
#503D97 is a dark, vivid purple. In OKLCH its lightness is 43%, its chroma 0.141 and its hue 289°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.018 away. White text reads best on it, at 8.55:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | vivid (0.141) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.45:1 |
| White text | 8.55:1 |
Values
| HEX | #503D97 |
| RGB | rgb(80, 61, 151) |
| HSL | hsl(253, 42%, 42%) |
| OKLCH | oklch(43.1% 0.141 288.8) |
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 #503D97 | 8.55:1 | AAA | Lc -93.6 | Preferred for body text |
| Black text on #503D97 | 2.45:1 | Fails | Lc 14.9 | Not readable |
| #503D97 text on white | 8.55:1 | AAA | Lc 89.1 | Fine for body text |
| #503D97 text on black | 2.45:1 | Fails | Lc -13.1 | 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
#E9E8F9
oklch(93.7% 0.023 288.7)
-
Step 200
200
#D7D5F6
oklch(88.5% 0.045 288.2)
-
Step 300
300
#BEB8F3
oklch(80.8% 0.083 289.1)
-
Step 400
400
#9E92ED
oklch(70.7% 0.131 288.6)
-
Step 500
500
#8874E8
oklch(63.2% 0.169 288.5)
-
Step 600
600
#7359D6
oklch(55.6% 0.184 288.5)
-
Step 700
700
#6148B9
oklch(49.1% 0.17 288.7)
-
Step 800
800 (this color)
#503D97
oklch(43.1% 0.141 288.8)
-
Step 900
900
#413477
oklch(37.6% 0.11 288.9)
-
Step 950
950
#261F46
oklch(27% 0.07 289.1)
#503D97 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) | #004E9A | 0.082 |
| Deuteranopia (no green cones) | #004A95 | 0.082 |
| Tritanopia (no blue cones) | #3A5164 | 0.115 |
| Achromatopsia (no color) | #4C4C4C | 0.142 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #503D97
#503D97
oklch(43.1% 0.141 288.8)
- #555300
#555300
oklch(43% 0.093 108.1)
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 #503D97, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.018
- Dark Slate Blue #483D8B ΔE 0.024
- Rebecca Purple #663399 ΔE 0.044
- Twilight #4E518B ΔE 0.059
- Cobalt #1E488F ΔE 0.069
- Blue With A Hint Of Purple #533CC6 ΔE 0.075
- Sapphire #2138AB ΔE 0.077
- Dusk #4E5481 ΔE 0.077
Use #503D97 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.