#505F82
Closest named color: Dusty Grape (#545775). oklch(48.7% 0.06 266.3), rgb(80, 95, 130).
Aa
White text reads best on this color (6.36:1).
About this color
#505F82 is a medium-dark, muted blue. In OKLCH its lightness is 49%, its chroma 0.060 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Grape (#545775), ΔE 0.027 away. White text reads best on it, at 6.36:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | muted (0.060) |
| Temperature | cool |
| Nearest name | Dusty Grape (#545775) |
| Black text | 3.30:1 |
| White text | 6.36:1 |
Values
| HEX | #505F82 |
| RGB | rgb(80, 95, 130) |
| HSL | hsl(222, 24%, 41%) |
| OKLCH | oklch(48.7% 0.06 266.3) |
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 #505F82 | 6.36:1 | AA | Lc -86.7 | Fine for body text |
| Black text on #505F82 | 3.30:1 | AA large text | Lc 22.4 | Dividers and decoration only |
| #505F82 text on white | 6.36:1 | AA | Lc 81.6 | Fine for body text |
| #505F82 text on black | 3.30:1 | AA large text | Lc -20.3 | 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
#E7EAF0
oklch(93.6% 0.009 264.5)
-
Step 200
200
#D4D9E4
oklch(88.5% 0.016 266.3)
-
Step 300
300
#B8C1D4
oklch(81% 0.029 265.4)
-
Step 400
400
#93A0BE
oklch(70.6% 0.046 266.7)
-
Step 500
500
#7989AE
oklch(63.1% 0.059 266.5)
-
Step 600
600
#627399
oklch(55.7% 0.063 265.7)
-
Step 700
700 (this color)
#505F82
oklch(48.7% 0.06 266.3)
-
Step 800
800
#424E6A
oklch(42.5% 0.049 266.4)
-
Step 900
900
#384156
oklch(37.6% 0.038 266.6)
-
Step 950
950
#212633
oklch(27% 0.025 268.3)
#505F82 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) | #536284 | 0.010 |
| Deuteranopia (no green cones) | #4E5D81 | 0.007 |
| Tritanopia (no blue cones) | #40666B | 0.054 |
| Achromatopsia (no color) | #5F5F5F | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #505F82
#505F82
oklch(48.7% 0.06 266.3)
- #6F5E37
#6F5E37
oklch(48.9% 0.06 86.7)
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 #505F82, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.027
- Denim #3B638C ΔE 0.028
- Dusky Blue #475F94 ΔE 0.031
- YInMn Blue #415A77 ΔE 0.031
- Dusk #4E5481 ΔE 0.033
- Slate #516572 ΔE 0.036
- Denim Blue #3B5B92 ΔE 0.041
- Light Navy Blue #2E5A88 ΔE 0.046
Use #505F82 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.