#504180
Closest named color: Dark Slate Blue (#483D8B). oklch(42.2% 0.102 292.4), rgb(80, 65, 128).
Aa
White text reads best on this color (8.71:1).
About this color
#504180 is a dark, moderately saturated purple. In OKLCH its lightness is 42%, its chroma 0.102 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 0.027 away. White text reads best on it, at 8.71:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.102) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.40:1 |
| White text | 8.71:1 |
Values
| HEX | #504180 |
| RGB | rgb(80, 65, 128) |
| HSL | hsl(254, 33%, 38%) |
| OKLCH | oklch(42.2% 0.102 292.4) |
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 #504180 | 8.71:1 | AAA | Lc -94.2 | Preferred for body text |
| Black text on #504180 | 2.40:1 | Fails | Lc 14.2 | Not readable |
| #504180 text on white | 8.71:1 | AAA | Lc 89.7 | Fine for body text |
| #504180 text on black | 2.40:1 | Fails | Lc -12.5 | 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
#F5F5FA
oklch(97.2% 0.007 286.3)
-
Step 100
100
#EAE8F5
oklch(93.6% 0.018 293.1)
-
Step 200
200
#D9D6EE
oklch(88.6% 0.033 291.5)
-
Step 300
300
#C1BAE5
oklch(80.9% 0.06 292.5)
-
Step 400
400
#A296D7
oklch(70.8% 0.094 292.3)
-
Step 500
500
#8C7ACD
oklch(63.1% 0.123 292.5)
-
Step 600
600
#7762B9
oklch(55.6% 0.132 292.7)
-
Step 700
700
#6451A0
oklch(49.2% 0.123 292.3)
-
Step 800
800 (this color)
#504180
oklch(42.2% 0.102 292.4)
-
Step 900
900
#433968
oklch(37.8% 0.079 292)
-
Step 950
950
#27213D
oklch(26.9% 0.051 292.4)
#504180 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) | #2A4C82 | 0.058 |
| Deuteranopia (no green cones) | #2D4A7F | 0.054 |
| Tritanopia (no blue cones) | #444D5A | 0.083 |
| Achromatopsia (no color) | #4B4B4B | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #504180
#504180
oklch(42.2% 0.102 292.4)
- #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 #504180, 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 0.040
- Twilight #4E518B ΔE 0.044
- Dusk #4E5481 ΔE 0.053
- Rebecca Purple #663399 ΔE 0.066
- Cobalt #1E488F ΔE 0.068
- Dusk Blue #26538D ΔE 0.069
- Dusty Grape #545775 ΔE 0.071
Use #504180 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.