#505F80
Closest named color: Dusty Grape (#545775). oklch(48.7% 0.057 265.4), rgb(80, 95, 128).
Aa
White text reads best on this color (6.38:1).
About this color
#505F80 is a medium-dark, muted blue. In OKLCH its lightness is 49%, its chroma 0.057 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Grape (#545775), ΔE 0.025 away. White text reads best on it, at 6.38:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | muted (0.057) |
| Temperature | cool |
| Nearest name | Dusty Grape (#545775) |
| Black text | 3.28:1 |
| White text | 6.38:1 |
Values
| HEX | #505F80 |
| RGB | rgb(80, 95, 128) |
| HSL | hsl(221, 23%, 41%) |
| OKLCH | oklch(48.7% 0.057 265.4) |
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 #505F80 | 6.38:1 | AA | Lc -86.8 | Fine for body text |
| Black text on #505F80 | 3.28:1 | AA large text | Lc 22.3 | Dividers and decoration only |
| #505F80 text on white | 6.38:1 | AA | Lc 81.7 | Fine for body text |
| #505F80 text on black | 3.28:1 | AA large text | Lc -20.2 | Dividers and decoration only |
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 700.
-
Step 50
50
#F4F5F8
oklch(97% 0.004 271.4)
-
Step 100
100
#E7EAEF
oklch(93.6% 0.007 260.7)
-
Step 200
200
#D4D9E4
oklch(88.5% 0.016 266.3)
-
Step 300
300
#B8C1D3
oklch(81% 0.027 264.4)
-
Step 400
400
#94A1BD
oklch(70.8% 0.044 265.6)
-
Step 500
500
#7989AC
oklch(63% 0.056 265.6)
-
Step 600
600
#627398
oklch(55.6% 0.061 265.3)
-
Step 700
700 (this color)
#505F80
oklch(48.7% 0.057 265.4)
-
Step 800
800
#434F69
oklch(42.8% 0.046 265.3)
-
Step 900
900
#384155
oklch(37.6% 0.036 265.8)
-
Step 950
950
#212632
oklch(26.9% 0.024 267.1)
#505F80 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) | #546181 | 0.009 |
| Deuteranopia (no green cones) | #4F5D7F | 0.006 |
| Tritanopia (no blue cones) | #41666A | 0.052 |
| Achromatopsia (no color) | #5F5F5F | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #505F80
#505F80
oklch(48.7% 0.057 265.4)
- #6E5D39
#6E5D39
oklch(48.6% 0.057 85.1)
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 #505F80, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.025
- YInMn Blue #415A77 ΔE 0.029
- Denim #3B638C ΔE 0.030
- Slate #516572 ΔE 0.034
- Dusk #4E5481 ΔE 0.034
- Dusky Blue #475F94 ΔE 0.034
- Denim Blue #3B5B92 ΔE 0.043
- Light Navy Blue #2E5A88 ΔE 0.047
Use #505F80 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.