#566355
Closest named color: Slate (#516572). oklch(48.4% 0.027 143.2), rgb(86, 99, 85).
Aa
White text reads best on this color (6.34:1).
About this color
#566355 is a medium-dark close to neutral grey. In OKLCH its lightness is 48%, its chroma 0.027. It has too little chroma to lean warm or cool. The nearest named color is Slate (#516572), ΔE 0.045 away. White text reads best on it, at 6.34:1.
| Hue family | Neutrals |
| Lightness | medium-dark (48%) |
| Chroma | close to neutral grey (0.027) |
| Temperature | neutral |
| Nearest name | Slate (#516572) |
| Black text | 3.31:1 |
| White text | 6.34:1 |
Values
| HEX | #566355 |
| RGB | rgb(86, 99, 85) |
| HSL | hsl(116, 8%, 36%) |
| OKLCH | oklch(48.4% 0.027 143.2) |
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 #566355 | 6.34:1 | AA | Lc -86.7 | Fine for body text |
| Black text on #566355 | 3.31:1 | AA large text | Lc 22.5 | Dividers and decoration only |
| #566355 text on white | 6.34:1 | AA | Lc 81.6 | Fine for body text |
| #566355 text on black | 3.31:1 | 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
#F5F6F5
oklch(97.2% 0.002 145.6)
-
Step 100
100
#E8EAE8
oklch(93.5% 0.003 145.5)
-
Step 200
200
#D6DAD6
oklch(88.4% 0.007 145.5)
-
Step 300
300
#BCC3BB
oklch(80.9% 0.013 141.8)
-
Step 400
400
#99A498
oklch(70.6% 0.021 143)
-
Step 500
500
#808E7F
oklch(63.1% 0.027 143.4)
-
Step 600
600
#6A7868
oklch(55.6% 0.029 141.7)
-
Step 700
700 (this color)
#566355
oklch(48.4% 0.027 143.2)
-
Step 800
800
#485247
oklch(42.6% 0.022 142.7)
-
Step 900
900
#3C443C
oklch(37.7% 0.017 145.2)
-
Step 950
950
#232823
oklch(27% 0.012 145.2)
#566355 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) | #646054 | 0.022 |
| Deuteranopia (no green cones) | #625F56 | 0.022 |
| Tritanopia (no blue cones) | #55625F | 0.017 |
| Achromatopsia (no color) | #5F5F5F | 0.027 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #566355
#566355
oklch(48.4% 0.027 143.2)
- #675A68
#675A68
oklch(48.5% 0.027 323.8)
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 #566355, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.045
- Dim Gray #696969 ΔE 0.046
- Dark Moss Green #606C38 ΔE 0.058
- Dark Green Blue #1F6357 ΔE 0.059
- Dark Olive Green #556B2F ΔE 0.065
- Camo Green #526525 ΔE 0.068
- Dark Aqua #05696B ΔE 0.068
- Dark Taupe #7F684E ΔE 0.068
Use #566355 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.