#504177
Closest named color: Dark Slate Blue (#483D8B). oklch(41.6% 0.089 295), rgb(80, 65, 119).
Aa
White text reads best on this color (8.88:1).
About this color
#504177 is a dark, moderately saturated purple. In OKLCH its lightness is 42%, its chroma 0.089 and its hue 295°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.040 away. White text reads best on it, at 8.88:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.089) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.36:1 |
| White text | 8.88:1 |
Values
| HEX | #504177 |
| RGB | rgb(80, 65, 119) |
| HSL | hsl(257, 29%, 36%) |
| OKLCH | oklch(41.6% 0.089 295) |
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 #504177 | 8.88:1 | AAA | Lc -94.7 | Preferred for body text |
| Black text on #504177 | 2.36:1 | Fails | Lc 13.7 | Not readable |
| #504177 text on white | 8.88:1 | AAA | Lc 90.2 | Preferred for body text |
| #504177 text on black | 2.36:1 | 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
#F6F5FA
oklch(97.2% 0.007 295.5)
-
Step 100
100
#EAE8F3
oklch(93.6% 0.015 294.5)
-
Step 200
200
#DAD6EB
oklch(88.6% 0.029 294.5)
-
Step 300
300
#C2BBDF
oklch(80.9% 0.051 294.2)
-
Step 400
400
#A496CF
oklch(70.6% 0.083 295.5)
-
Step 500
500
#8E7CC3
oklch(63.1% 0.106 294.8)
-
Step 600
600
#7964AF
oklch(55.6% 0.115 295.3)
-
Step 700
700
#665397
oklch(49.2% 0.107 295)
-
Step 800
800 (this color)
#504177
oklch(41.6% 0.089 295)
-
Step 900
900
#443A62
oklch(37.7% 0.068 294.4)
-
Step 950
950
#28223A
oklch(27.1% 0.044 294.7)
#504177 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) | #304A79 | 0.051 |
| Deuteranopia (no green cones) | #334976 | 0.047 |
| Tritanopia (no blue cones) | #474B56 | 0.072 |
| Achromatopsia (no color) | #4A4A4A | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #504177
#504177
oklch(41.6% 0.089 295)
- #4B510A
#4B510A
oklch(41.6% 0.089 114.7)
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 #504177, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.040
- Twilight #4E518B ΔE 0.050
- Dusk #4E5481 ΔE 0.053
- Blueberry #464196 ΔE 0.054
- Dusty Grape #545775 ΔE 0.066
- Dusk Blue #26538D ΔE 0.073
- Cobalt #1E488F ΔE 0.074
- YInMn Blue #415A77 ΔE 0.075
Use #504177 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.