#503E86
Closest named color: Dark Slate Blue (#483D8B). oklch(42% 0.116 292.2), rgb(80, 62, 134).
Aa
White text reads best on this color (8.84:1).
About this color
#503E86 is a dark, moderately saturated purple. In OKLCH its lightness is 42%, its chroma 0.116 and its hue 292°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.017 away. White text reads best on it, at 8.84:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.116) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.37:1 |
| White text | 8.84:1 |
Values
| HEX | #503E86 |
| RGB | rgb(80, 62, 134) |
| HSL | hsl(255, 37%, 38%) |
| OKLCH | oklch(42% 0.116 292.2) |
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 #503E86 | 8.84:1 | AAA | Lc -94.5 | Preferred for body text |
| Black text on #503E86 | 2.37:1 | Fails | Lc 13.9 | Not readable |
| #503E86 text on white | 8.84:1 | AAA | Lc 90.0 | Preferred for body text |
| #503E86 text on black | 2.37:1 | Fails | Lc -12.2 | 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
#F5F4FB
oklch(97% 0.009 292.8)
-
Step 100
100
#EAE8F6
oklch(93.7% 0.019 292.6)
-
Step 200
200
#D9D5F1
oklch(88.5% 0.038 292.2)
-
Step 300
300
#C1B9E9
oklch(80.8% 0.068 292.5)
-
Step 400
400
#A294DF
oklch(70.8% 0.109 291.9)
-
Step 500
500
#8C78D5
oklch(63.1% 0.137 291.9)
-
Step 600
600
#775EC3
oklch(55.5% 0.152 292.1)
-
Step 700
700
#644DA8
oklch(49% 0.14 292)
-
Step 800
800 (this color)
#503E86
oklch(42% 0.116 292.2)
-
Step 900
900
#43376D
oklch(37.7% 0.09 291.7)
-
Step 950
950
#272040
oklch(26.9% 0.058 292.1)
#503E86 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) | #204B88 | 0.068 |
| Deuteranopia (no green cones) | #234984 | 0.065 |
| Tritanopia (no blue cones) | #424D5C | 0.094 |
| Achromatopsia (no color) | #4A4A4A | 0.116 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #503E86
#503E86
oklch(42% 0.116 292.2)
- #4F5200
#4F5200
oklch(42.2% 0.093 112.2)
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 #503E86, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.017
- Blueberry #464196 ΔE 0.031
- Twilight #4E518B ΔE 0.051
- Rebecca Purple #663399 ΔE 0.055
- Dusk #4E5481 ΔE 0.063
- Cobalt #1E488F ΔE 0.068
- Dusk Blue #26538D ΔE 0.073
- Light Navy #155084 ΔE 0.080
Use #503E86 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.