#504F63
Closest named color: Dusty Grape (#545775). oklch(43.6% 0.033 287.3), rgb(80, 79, 99).
Aa
White text reads best on this color (7.95:1).
About this color
#504F63 is a dark, muted purple. In OKLCH its lightness is 44%, its chroma 0.033 and its hue 287°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Grape (#545775), ΔE 0.034 away. White text reads best on it, at 7.95:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | muted (0.033) |
| Temperature | cool |
| Nearest name | Dusty Grape (#545775) |
| Black text | 2.63:1 |
| White text | 7.95:1 |
Values
| HEX | #504F63 |
| RGB | rgb(80, 79, 99) |
| HSL | hsl(243, 11%, 35%) |
| OKLCH | oklch(43.6% 0.033 287.3) |
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 #504F63 | 7.95:1 | AAA | Lc -92.3 | Preferred for body text |
| Black text on #504F63 | 2.63:1 | Fails | Lc 16.4 | Dividers and decoration only |
| #504F63 text on white | 7.95:1 | AAA | Lc 87.6 | Fine for body text |
| #504F63 text on black | 2.63:1 | Fails | Lc -14.5 | 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
#F5F5F7
oklch(97.1% 0.003 286.4)
-
Step 100
100
#E9E9ED
oklch(93.5% 0.005 286.3)
-
Step 200
200
#D8D8E0
oklch(88.5% 0.011 286.2)
-
Step 300
300
#BFBFCD
oklch(80.9% 0.02 286)
-
Step 400
400
#9F9EB3
oklch(70.7% 0.03 287.8)
-
Step 500
500
#8786A0
oklch(63% 0.039 287)
-
Step 600
600
#71708B
oklch(55.6% 0.042 286.7)
-
Step 700
700
#5F5E76
oklch(49.2% 0.038 286.8)
-
Step 800
800 (this color)
#504F63
oklch(43.6% 0.033 287.3)
-
Step 900
900
#40404F
oklch(37.7% 0.025 285.1)
-
Step 950
950
#26252E
oklch(26.9% 0.017 290.3)
#504F63 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) | #4A5164 | 0.010 |
| Deuteranopia (no green cones) | #4A5062 | 0.010 |
| Tritanopia (no blue cones) | #4C5256 | 0.027 |
| Achromatopsia (no color) | #515151 | 0.033 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #504F63
#504F63
oklch(43.6% 0.033 287.3)
- #53533E
#53533E
oklch(43.6% 0.033 107.7)
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 #504F63, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.034
- YInMn Blue #415A77 ΔE 0.042
- Dusk #4E5481 ΔE 0.048
- Dark Slate Gray #2F4F4F ΔE 0.061
- Slate #516572 ΔE 0.065
- Twilight #4E518B ΔE 0.066
- Dark Grey Blue #29465B ΔE 0.066
- Light Navy Blue #2E5A88 ΔE 0.070
Use #504F63 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.