#56554B
Closest named color: Dark Slate Gray (#2F4F4F). oklch(44.7% 0.016 102.3), rgb(86, 85, 75).
Aa
White text reads best on this color (7.50:1).
About this color
#56554B is a dark close to neutral grey. In OKLCH its lightness is 45%, its chroma 0.016. It has too little chroma to lean warm or cool. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.061 away. White text reads best on it, at 7.50:1.
| Hue family | Neutrals |
| Lightness | dark (45%) |
| Chroma | close to neutral grey (0.016) |
| Temperature | neutral |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.79:1 |
| White text | 7.50:1 |
Values
| HEX | #56554B |
| RGB | rgb(86, 85, 75) |
| HSL | hsl(55, 7%, 32%) |
| OKLCH | oklch(44.7% 0.016 102.3) |
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 #56554B | 7.50:1 | AAA | Lc -90.9 | Preferred for body text |
| Black text on #56554B | 2.79:1 | Fails | Lc 17.9 | Dividers and decoration only |
| #56554B text on white | 7.50:1 | AAA | Lc 86.1 | Fine for body text |
| #56554B text on black | 2.79:1 | Fails | Lc -15.9 | 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
#F5F5F4
oklch(97% 0.001 106.4)
-
Step 100
100
#EAEAE8
oklch(93.6% 0.003 106.5)
-
Step 200
200
#DAD9D5
oklch(88.5% 0.006 95.1)
-
Step 300
300
#C1C1BA
oklch(80.9% 0.01 106.6)
-
Step 400
400
#A2A197
oklch(70.7% 0.014 102.1)
-
Step 500
500
#8B8A7D
oklch(63% 0.019 103.3)
-
Step 600
600
#757466
oklch(55.6% 0.021 103.7)
-
Step 700
700
#636155
oklch(49.1% 0.019 99.3)
-
Step 800
800 (this color)
#56554B
oklch(44.7% 0.016 102.3)
-
Step 900
900
#43423A
oklch(37.7% 0.013 101.2)
-
Step 950
950
#272722
oklch(27.1% 0.009 107)
#56554B 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) | #57544A | 0.003 |
| Deuteranopia (no green cones) | #57554B | 0.002 |
| Tritanopia (no blue cones) | #585452 | 0.013 |
| Achromatopsia (no color) | #555555 | 0.016 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #56554B
#56554B
oklch(44.7% 0.016 102.3)
- #53545D
#53545D
oklch(44.8% 0.015 280.7)
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 #56554B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.061
- Slate #516572 ΔE 0.065
- Dusty Grape #545775 ΔE 0.067
- Dark Green Blue #1F6357 ΔE 0.069
- Mud Brown #60460F ΔE 0.072
- YInMn Blue #415A77 ΔE 0.072
- Olive Brown #645403 ΔE 0.075
- Dim Gray #696969 ΔE 0.075
Use #56554B 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.