#503796
Closest named color: Dark Slate Blue (#483D8B). oklch(42% 0.148 290.7), rgb(80, 55, 150).
Aa
White text reads best on this color (9.02:1).
About this color
#503796 is a dark, vivid purple. In OKLCH its lightness is 42%, its chroma 0.148 and its hue 291°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.027 away. White text reads best on it, at 9.02:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | vivid (0.148) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.32:1 |
| White text | 9.02:1 |
Values
| HEX | #503796 |
| RGB | rgb(80, 55, 150) |
| HSL | hsl(256, 46%, 40%) |
| OKLCH | oklch(42% 0.148 290.7) |
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 #503796 | 9.02:1 | AAA | Lc -94.7 | Preferred for body text |
| Black text on #503796 | 2.32:1 | Fails | Lc 13.7 | Not readable |
| #503796 text on white | 9.02:1 | AAA | Lc 90.3 | Preferred for body text |
| #503796 text on black | 2.32:1 | Fails | Lc -12.0 | 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
#F5F4FD
oklch(97% 0.012 291.3)
-
Step 100
100
#E9E7FA
oklch(93.5% 0.026 290.7)
-
Step 200
200
#D8D4F7
oklch(88.4% 0.048 290.6)
-
Step 300
300
#C0B7F5
oklch(80.8% 0.087 291)
-
Step 400
400
#A190F0
oklch(70.8% 0.138 290.6)
-
Step 500
500
#8C71EB
oklch(63.2% 0.177 290.6)
-
Step 600
600
#7755D9
oklch(55.5% 0.193 290.6)
-
Step 700
700
#6544BC
oklch(49.1% 0.179 291)
-
Step 800
800 (this color)
#503796
oklch(42% 0.148 290.7)
-
Step 900
900
#433279
oklch(37.6% 0.116 290.8)
-
Step 950
950
#271E47
oklch(26.9% 0.074 290.7)
#503796 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) | #004B99 | 0.088 |
| Deuteranopia (no green cones) | #004794 | 0.087 |
| Tritanopia (no blue cones) | #3B4D61 | 0.120 |
| Achromatopsia (no color) | #494949 | 0.149 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #503796
#503796
oklch(42% 0.148 290.7)
- #505100
#505100
oklch(42% 0.092 110.6)
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 #503796, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.027
- Blueberry #464196 ΔE 0.027
- Rebecca Purple #663399 ΔE 0.041
- Chrysanthemum #560BAD ΔE 0.070
- Twilight #4E518B ΔE 0.071
- Imperial Purple #480CA8 ΔE 0.072
- Cobalt #1E488F ΔE 0.075
- Sapphire #2138AB ΔE 0.076
Use #503796 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.