#503E6C
Closest named color: Dark Slate Blue (#483D8B). oklch(40.4% 0.078 301), rgb(80, 62, 108).
Aa
White text reads best on this color (9.34:1).
About this color
#503E6C is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.078 and its hue 301°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.055 away. White text reads best on it, at 9.34:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.078) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.24:1 |
| White text | 9.34:1 |
Values
| HEX | #503E6C |
| RGB | rgb(80, 62, 108) |
| HSL | hsl(263, 27%, 33%) |
| OKLCH | oklch(40.4% 0.078 301) |
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 #503E6C | 9.34:1 | AAA | Lc -95.8 | Preferred for body text |
| Black text on #503E6C | 2.24:1 | Fails | Lc 12.5 | Not readable |
| #503E6C text on white | 9.34:1 | AAA | Lc 91.5 | Preferred for body text |
| #503E6C text on black | 2.24:1 | Fails | Lc -10.9 | 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
#F6F4F9
oklch(97% 0.007 304.2)
-
Step 100
100
#EBE8F1
oklch(93.6% 0.012 301.3)
-
Step 200
200
#DCD6E8
oklch(88.6% 0.025 301)
-
Step 300
300
#C5BADA
oklch(80.8% 0.046 301)
-
Step 400
400
#A896C7
oklch(70.6% 0.073 301.4)
-
Step 500
500
#937CB9
oklch(63.1% 0.093 301.1)
-
Step 600
600
#7E64A5
oklch(55.6% 0.102 301.6)
-
Step 700
700
#6A538D
oklch(49.1% 0.094 301.3)
-
Step 800
800 (this color)
#503E6C
oklch(40.4% 0.078 301)
-
Step 900
900
#473A5D
oklch(37.8% 0.06 300.6)
-
Step 950
950
#2A2236
oklch(27% 0.038 302.3)
#503E6C 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) | #32466E | 0.049 |
| Deuteranopia (no green cones) | #36466B | 0.046 |
| Tritanopia (no blue cones) | #4B4650 | 0.060 |
| Achromatopsia (no color) | #474747 | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #503E6C
#503E6C
oklch(40.4% 0.078 301)
- #434F1A
#434F1A
oklch(40.5% 0.077 120.8)
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 #503E6C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.055
- Dusk #4E5481 ΔE 0.065
- Twilight #4E518B ΔE 0.066
- Blueberry #464196 ΔE 0.071
- Dark Grey Blue #29465B ΔE 0.072
- Dusty Grape #545775 ΔE 0.072
- YInMn Blue #415A77 ΔE 0.081
- Charcoal #264653 ΔE 0.084
Use #503E6C 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.