#504179
Closest named color: Dark Slate Blue (#483D8B). oklch(41.8% 0.092 294.4), rgb(80, 65, 121).
Aa
White text reads best on this color (8.84:1).
About this color
#504179 is a dark, moderately saturated purple. In OKLCH its lightness is 42%, its chroma 0.092 and its hue 294°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.037 away. White text reads best on it, at 8.84:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.092) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.37:1 |
| White text | 8.84:1 |
Values
| HEX | #504179 |
| RGB | rgb(80, 65, 121) |
| HSL | hsl(256, 30%, 36%) |
| OKLCH | oklch(41.8% 0.092 294.4) |
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 #504179 | 8.84:1 | AAA | Lc -94.6 | Preferred for body text |
| Black text on #504179 | 2.37:1 | Fails | Lc 13.8 | Not readable |
| #504179 text on white | 8.84:1 | AAA | Lc 90.1 | Preferred for body text |
| #504179 text on black | 2.37:1 | Fails | Lc -12.1 | 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
#EAE8F3
oklch(93.6% 0.015 294.5)
-
Step 200
200
#DAD6EB
oklch(88.6% 0.029 294.5)
-
Step 300
300
#C2BAE1
oklch(80.8% 0.055 294.5)
-
Step 400
400
#A496D1
oklch(70.7% 0.086 295)
-
Step 500
500
#8E7CC5
oklch(63.2% 0.109 294.4)
-
Step 600
600
#7864B2
oklch(55.7% 0.119 294)
-
Step 700
700
#655299
oklch(49.1% 0.112 294.2)
-
Step 800
800 (this color)
#504179
oklch(41.8% 0.092 294.4)
-
Step 900
900
#443964
oklch(37.6% 0.073 294.4)
-
Step 950
950
#28223A
oklch(27.1% 0.044 294.7)
#504179 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) | #2F4B7B | 0.052 |
| Deuteranopia (no green cones) | #324978 | 0.048 |
| Tritanopia (no blue cones) | #474B57 | 0.073 |
| Achromatopsia (no color) | #4A4A4A | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #504179
#504179
oklch(41.8% 0.092 294.4)
- #4C5204
#4C5204
oklch(41.9% 0.092 114.6)
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 #504179, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.037
- Twilight #4E518B ΔE 0.048
- Blueberry #464196 ΔE 0.051
- Dusk #4E5481 ΔE 0.053
- Dusty Grape #545775 ΔE 0.067
- Dusk Blue #26538D ΔE 0.072
- Cobalt #1E488F ΔE 0.072
- Rebecca Purple #663399 ΔE 0.075
Use #504179 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.