#503D6D
Closest named color: Dark Slate Blue (#483D8B). oklch(40.2% 0.081 301.1), rgb(80, 61, 109).
Aa
White text reads best on this color (9.41:1).
About this color
#503D6D is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.081 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 0.052 away. White text reads best on it, at 9.41:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.081) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.22:1 |
| White text | 9.41:1 |
Values
| HEX | #503D6D |
| RGB | rgb(80, 61, 109) |
| HSL | hsl(264, 28%, 33%) |
| OKLCH | oklch(40.2% 0.081 301.1) |
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 #503D6D | 9.41:1 | AAA | Lc -96.0 | Preferred for body text |
| Black text on #503D6D | 2.22:1 | Fails | Lc 12.3 | Not readable |
| #503D6D text on white | 9.41:1 | AAA | Lc 91.7 | Preferred for body text |
| #503D6D text on black | 2.22:1 | Fails | Lc -10.7 | 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
#EBE8F2
oklch(93.6% 0.014 299.8)
-
Step 200
200
#DCD5E8
oklch(88.4% 0.027 302.5)
-
Step 300
300
#C5BADB
oklch(80.9% 0.047 300.5)
-
Step 400
400
#A896C9
oklch(70.7% 0.076 300.6)
-
Step 500
500
#937BBB
oklch(63% 0.097 300.9)
-
Step 600
600
#7E64A7
oklch(55.7% 0.105 300.9)
-
Step 700
700
#6A528F
oklch(49% 0.098 301)
-
Step 800
800 (this color)
#503D6D
oklch(40.2% 0.081 301.1)
-
Step 900
900
#47395E
oklch(37.6% 0.064 300.8)
-
Step 950
950
#2A2237
oklch(27.1% 0.04 301.3)
#503D6D 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) | #30466F | 0.053 |
| Deuteranopia (no green cones) | #34466C | 0.049 |
| Tritanopia (no blue cones) | #4B454F | 0.063 |
| Achromatopsia (no color) | #464646 | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #503D6D
#503D6D
oklch(40.2% 0.081 301.1)
- #424F16
#424F16
oklch(40.3% 0.081 121.2)
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 #503D6D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.052
- Dusk #4E5481 ΔE 0.067
- Twilight #4E518B ΔE 0.067
- Blueberry #464196 ΔE 0.069
- Dark Grey Blue #29465B ΔE 0.074
- Dusty Grape #545775 ΔE 0.075
- YInMn Blue #415A77 ΔE 0.084
- Twilight Blue #0A437A ΔE 0.084
Use #503D6D 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.