#545F68
Closest named color: Slate (#516572). oklch(47.9% 0.02 242.8), rgb(84, 95, 104).
Aa
White text reads best on this color (6.53:1).
About this color
#545F68 is a medium-dark close to neutral grey. In OKLCH its lightness is 48%, its chroma 0.020. It has too little chroma to lean warm or cool. The nearest named color is Slate (#516572), ΔE 0.020 away. White text reads best on it, at 6.53:1.
| Hue family | Neutrals |
| Lightness | medium-dark (48%) |
| Chroma | close to neutral grey (0.020) |
| Temperature | neutral |
| Nearest name | Slate (#516572) |
| Black text | 3.21:1 |
| White text | 6.53:1 |
Values
| HEX | #545F68 |
| RGB | rgb(84, 95, 104) |
| HSL | hsl(207, 11%, 37%) |
| OKLCH | oklch(47.9% 0.02 242.8) |
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 #545F68 | 6.53:1 | AA | Lc -87.5 | Fine for body text |
| Black text on #545F68 | 3.21:1 | AA large text | Lc 21.7 | Dividers and decoration only |
| #545F68 text on white | 6.53:1 | AA | Lc 82.4 | Fine for body text |
| #545F68 text on black | 3.21:1 | AA large text | Lc -19.5 | 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
#F5F5F6
oklch(97% 0.001 286.4)
-
Step 100
100
#E8EAEB
oklch(93.6% 0.003 228.8)
-
Step 200
200
#D6D9DC
oklch(88.4% 0.005 247.9)
-
Step 300
300
#BBC1C6
oklch(80.8% 0.01 242.9)
-
Step 400
400
#99A2AA
oklch(70.8% 0.016 244.8)
-
Step 500
500
#808B95
oklch(63.1% 0.02 245.5)
-
Step 600
600
#69757F
oklch(55.6% 0.021 243.2)
-
Step 700
700 (this color)
#545F68
oklch(47.9% 0.02 242.8)
-
Step 800
800
#475057
oklch(42.6% 0.016 241.3)
-
Step 900
900
#3C4348
oklch(37.8% 0.013 238.9)
-
Step 950
950
#23272A
oklch(27% 0.008 240.2)
#545F68 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) | #5B5F68 | 0.010 |
| Deuteranopia (no green cones) | #595D68 | 0.009 |
| Tritanopia (no blue cones) | #4F6162 | 0.015 |
| Achromatopsia (no color) | #5D5D5D | 0.020 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #545F68
#545F68
oklch(47.9% 0.02 242.8)
- #665B52
#665B52
oklch(47.9% 0.02 61.6)
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 #545F68, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.020
- Dusty Grape #545775 ΔE 0.037
- YInMn Blue #415A77 ΔE 0.042
- Dim Gray #696969 ΔE 0.046
- Dusk #4E5481 ΔE 0.061
- Denim #3B638C ΔE 0.061
- Dark Aqua #05696B ΔE 0.067
- Dark Green Blue #1F6357 ΔE 0.069
Use #545F68 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.