#55574E
Closest named color: Slate (#516572). oklch(45.2% 0.015 117.2), rgb(85, 87, 78).
Aa
White text reads best on this color (7.34:1).
About this color
#55574E is a medium-dark close to neutral grey. In OKLCH its lightness is 45%, its chroma 0.015. It has too little chroma to lean warm or cool. The nearest named color is Slate (#516572), ΔE 0.060 away. White text reads best on it, at 7.34:1.
| Hue family | Neutrals |
| Lightness | medium-dark (45%) |
| Chroma | close to neutral grey (0.015) |
| Temperature | neutral |
| Nearest name | Slate (#516572) |
| Black text | 2.85:1 |
| White text | 7.34:1 |
Values
| HEX | #55574E |
| RGB | rgb(85, 87, 78) |
| HSL | hsl(73, 5%, 32%) |
| OKLCH | oklch(45.2% 0.015 117.2) |
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 #55574E | 7.34:1 | AAA | Lc -90.4 | Preferred for body text |
| Black text on #55574E | 2.85:1 | Fails | Lc 18.5 | Dividers and decoration only |
| #55574E text on white | 7.34:1 | AAA | Lc 85.5 | Fine for body text |
| #55574E text on black | 2.85:1 | Fails | Lc -16.5 | 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 800.
-
Step 50
50
#F5F5F5
oklch(97% 0 0)
-
Step 100
100
#EAEAE8
oklch(93.6% 0.003 106.5)
-
Step 200
200
#D9D9D6
oklch(88.4% 0.004 106.5)
-
Step 300
300
#C0C1BB
oklch(80.8% 0.008 114.3)
-
Step 400
400
#A0A298
oklch(70.8% 0.014 116)
-
Step 500
500
#888B7F
oklch(63.1% 0.018 118.3)
-
Step 600
600
#727569
oklch(55.6% 0.018 118.4)
-
Step 700
700
#606257
oklch(49.1% 0.017 115.4)
-
Step 800
800 (this color)
#55574E
oklch(45.2% 0.015 117.2)
-
Step 900
900
#41423C
oklch(37.6% 0.01 114.6)
-
Step 950
950
#262723
oklch(27% 0.007 118.3)
#55574E 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) | #58564E | 0.005 |
| Deuteranopia (no green cones) | #58564E | 0.005 |
| Tritanopia (no blue cones) | #565654 | 0.011 |
| Achromatopsia (no color) | #565656 | 0.015 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
This color is close to neutral, so it has no meaningful hue to rotate. Hue harmonies are omitted.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #55574E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.060
- Dark Slate Gray #2F4F4F ΔE 0.062
- Dusty Grape #545775 ΔE 0.064
- Dark Green Blue #1F6357 ΔE 0.065
- YInMn Blue #415A77 ΔE 0.068
- Dim Gray #696969 ΔE 0.070
- Pine #2B5D34 ΔE 0.077
- Mud Brown #60460F ΔE 0.077
Use #55574E 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.