#516255
Closest named color: Slate (#516572). oklch(47.8% 0.029 152.3), rgb(81, 98, 85).
Aa
White text reads best on this color (6.50:1).
About this color
#516255 is a medium-dark close to neutral grey. In OKLCH its lightness is 48%, its chroma 0.029. 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 6.50:1.
| Hue family | Neutrals |
| Lightness | medium-dark (48%) |
| Chroma | close to neutral grey (0.029) |
| Temperature | neutral |
| Nearest name | Slate (#516572) |
| Black text | 3.22:1 |
| White text | 6.50:1 |
Values
| HEX | #516255 |
| RGB | rgb(81, 98, 85) |
| HSL | hsl(134, 9%, 35%) |
| OKLCH | oklch(47.8% 0.029 152.3) |
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 #516255 | 6.50:1 | AA | Lc -87.3 | Fine for body text |
| Black text on #516255 | 3.22:1 | AA large text | Lc 21.8 | Dividers and decoration only |
| #516255 text on white | 6.50:1 | AA | Lc 82.3 | Fine for body text |
| #516255 text on black | 3.22:1 | AA large text | Lc -19.6 | 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
#F4F6F5
oklch(97.1% 0.002 165.1)
-
Step 100
100
#E8EBE8
oklch(93.7% 0.005 145.5)
-
Step 200
200
#D5DBD6
oklch(88.5% 0.009 150.7)
-
Step 300
300
#BAC3BC
oklch(80.8% 0.014 152.5)
-
Step 400
400
#97A59A
oklch(70.8% 0.022 152)
-
Step 500
500
#7D8F81
oklch(63.1% 0.029 152.1)
-
Step 600
600
#66796A
oklch(55.6% 0.032 151.5)
-
Step 700
700 (this color)
#516255
oklch(47.8% 0.029 152.3)
-
Step 800
800
#455349
oklch(42.7% 0.024 154.2)
-
Step 900
900
#3A453D
oklch(37.8% 0.02 153.8)
-
Step 950
950
#222824
oklch(26.9% 0.011 156.4)
#516255 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) | #625F54 | 0.026 |
| Deuteranopia (no green cones) | #5F5D56 | 0.025 |
| Tritanopia (no blue cones) | #4F615E | 0.016 |
| Achromatopsia (no color) | #5E5E5E | 0.030 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #516255
#516255
oklch(47.8% 0.029 152.3)
- #675764
#675764
oklch(47.7% 0.029 332.4)
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 #516255, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.045
- Dark Green Blue #1F6357 ΔE 0.052
- Dim Gray #696969 ΔE 0.052
- Dark Moss Green #606C38 ΔE 0.062
- Dark Aqua #05696B ΔE 0.062
- Dark Olive Green #556B2F ΔE 0.067
- Camo Green #526525 ΔE 0.068
- YInMn Blue #415A77 ΔE 0.070
Use #516255 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.