#505368
Closest named color: Dusty Grape (#545775). oklch(44.8% 0.035 278.5), rgb(80, 83, 104).
Aa
White text reads best on this color (7.55:1).
About this color
#505368 is a dark, muted blue. In OKLCH its lightness is 45%, its chroma 0.035 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Grape (#545775), ΔE 0.023 away. White text reads best on it, at 7.55:1.
| Hue family | Blues |
| Lightness | dark (45%) |
| Chroma | muted (0.035) |
| Temperature | cool |
| Nearest name | Dusty Grape (#545775) |
| Black text | 2.77:1 |
| White text | 7.55:1 |
Values
| HEX | #505368 |
| RGB | rgb(80, 83, 104) |
| HSL | hsl(233, 13%, 36%) |
| OKLCH | oklch(44.8% 0.035 278.5) |
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 #505368 | 7.55:1 | AAA | Lc -91.1 | Preferred for body text |
| Black text on #505368 | 2.77:1 | Fails | Lc 17.7 | Dividers and decoration only |
| #505368 text on white | 7.55:1 | AAA | Lc 86.3 | Fine for body text |
| #505368 text on black | 2.77:1 | Fails | Lc -15.8 | 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 800.
-
Step 50
50
#F5F5F7
oklch(97.1% 0.003 286.4)
-
Step 100
100
#E9E9EE
oklch(93.5% 0.007 286.3)
-
Step 200
200
#D7D8E1
oklch(88.4% 0.012 281.1)
-
Step 300
300
#BDC0CE
oklch(81% 0.02 276.3)
-
Step 400
400
#9C9FB5
oklch(70.7% 0.032 279.4)
-
Step 500
500
#8387A3
oklch(63% 0.042 278.7)
-
Step 600
600
#6D718E
oklch(55.6% 0.045 278.7)
-
Step 700
700
#5B5F79
oklch(49.2% 0.042 277.9)
-
Step 800
800 (this color)
#505368
oklch(44.8% 0.035 278.5)
-
Step 900
900
#3E4050
oklch(37.6% 0.027 279.4)
-
Step 950
950
#24262F
oklch(27% 0.017 275.4)
#505368 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) | #4D5569 | 0.007 |
| Deuteranopia (no green cones) | #4C5367 | 0.006 |
| Tritanopia (no blue cones) | #4A575A | 0.032 |
| Achromatopsia (no color) | #545454 | 0.035 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #505368
#505368
oklch(44.8% 0.035 278.5)
- #59553F
#59553F
oklch(44.7% 0.034 99)
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 #505368, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.023
- YInMn Blue #415A77 ΔE 0.032
- Dusk #4E5481 ΔE 0.041
- Slate #516572 ΔE 0.053
- Twilight #4E518B ΔE 0.060
- Light Navy Blue #2E5A88 ΔE 0.062
- Dark Slate Gray #2F4F4F ΔE 0.066
- Denim #3B638C ΔE 0.067
Use #505368 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.