#536257
Closest named color: Slate (#516572). oklch(48% 0.025 153.6), rgb(83, 98, 87).
Aa
White text reads best on this color (6.45:1).
About this color
#536257 is a medium-dark close to neutral grey. In OKLCH its lightness is 48%, its chroma 0.025. It has too little chroma to lean warm or cool. The nearest named color is Slate (#516572), ΔE 0.041 away. White text reads best on it, at 6.45:1.
| Hue family | Neutrals |
| Lightness | medium-dark (48%) |
| Chroma | close to neutral grey (0.025) |
| Temperature | neutral |
| Nearest name | Slate (#516572) |
| Black text | 3.25:1 |
| White text | 6.45:1 |
Values
| HEX | #536257 |
| RGB | rgb(83, 98, 87) |
| HSL | hsl(136, 8%, 35%) |
| OKLCH | oklch(48% 0.025 153.6) |
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 #536257 | 6.45:1 | AA | Lc -87.1 | Fine for body text |
| Black text on #536257 | 3.25:1 | AA large text | Lc 22.0 | Dividers and decoration only |
| #536257 text on white | 6.45:1 | AA | Lc 82.1 | Fine for body text |
| #536257 text on black | 3.25:1 | AA large text | Lc -19.8 | 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
#E8EAE9
oklch(93.5% 0.003 165.1)
-
Step 200
200
#D6DAD7
oklch(88.4% 0.006 153.8)
-
Step 300
300
#BBC3BD
oklch(80.9% 0.012 153.6)
-
Step 400
400
#98A49B
oklch(70.6% 0.019 153.4)
-
Step 500
500
#7E8E82
oklch(63% 0.026 153.2)
-
Step 600
600
#68786C
oklch(55.6% 0.026 153)
-
Step 700
700 (this color)
#536257
oklch(48% 0.025 153.6)
-
Step 800
800
#46534A
oklch(42.8% 0.022 155.1)
-
Step 900
900
#3B443E
oklch(37.6% 0.016 156.4)
-
Step 950
950
#232824
oklch(27% 0.01 151.4)
#536257 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) | #625F56 | 0.023 |
| Deuteranopia (no green cones) | #5F5E58 | 0.021 |
| Tritanopia (no blue cones) | #51625F | 0.013 |
| Achromatopsia (no color) | #5E5E5E | 0.025 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #536257
#536257
oklch(48% 0.025 153.6)
- #675864
#675864
oklch(47.9% 0.027 332.8)
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 #536257, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.041
- Dim Gray #696969 ΔE 0.048
- Dark Green Blue #1F6357 ΔE 0.055
- Dark Moss Green #606C38 ΔE 0.063
- Dark Aqua #05696B ΔE 0.064
- Dusty Grape #545775 ΔE 0.068
- YInMn Blue #415A77 ΔE 0.068
- Dark Olive Green #556B2F ΔE 0.070
Use #536257 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.