#536768
Closest named color: Slate (#516572). oklch(49.8% 0.024 200.2), rgb(83, 103, 104).
Aa
White text reads best on this color (5.98:1).
About this color
#536768 is a medium-dark close to neutral grey. In OKLCH its lightness is 50%, its chroma 0.024. It has too little chroma to lean warm or cool. The nearest named color is Slate (#516572), ΔE 0.019 away. White text reads best on it, at 5.98:1.
| Hue family | Neutrals |
| Lightness | medium-dark (50%) |
| Chroma | close to neutral grey (0.024) |
| Temperature | neutral |
| Nearest name | Slate (#516572) |
| Black text | 3.50:1 |
| White text | 5.98:1 |
Values
| HEX | #536768 |
| RGB | rgb(83, 103, 104) |
| HSL | hsl(183, 11%, 37%) |
| OKLCH | oklch(49.8% 0.024 200.2) |
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 #536768 | 5.98:1 | AA | Lc -85.1 | Fine for body text |
| Black text on #536768 | 3.50:1 | AA large text | Lc 24.1 | Dividers and decoration only |
| #536768 text on white | 5.98:1 | AA | Lc 79.9 | Fine for body text |
| #536768 text on black | 3.50:1 | AA large text | Lc -21.9 | 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 700.
-
Step 50
50
#F4F6F6
oklch(97.2% 0.002 197.1)
-
Step 100
100
#E7EAEB
oklch(93.5% 0.004 219.5)
-
Step 200
200
#D4DADB
oklch(88.4% 0.007 208.8)
-
Step 300
300
#B8C3C3
oklch(80.9% 0.012 196.9)
-
Step 400
400
#94A4A5
oklch(70.6% 0.018 201.3)
-
Step 500
500
#798E8F
oklch(63.1% 0.024 200.1)
-
Step 600
600
#627879
oklch(55.5% 0.026 199.8)
-
Step 700
700 (this color)
#536768
oklch(49.8% 0.024 200.2)
-
Step 800
800
#435253
oklch(42.6% 0.019 201.4)
-
Step 900
900
#384445
oklch(37.6% 0.016 202.7)
-
Step 950
950
#212828
oklch(27% 0.01 196.6)
#536768 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) | #646568 | 0.025 |
| Deuteranopia (no green cones) | #606268 | 0.023 |
| Tritanopia (no blue cones) | #4D6967 | 0.010 |
| Achromatopsia (no color) | #636363 | 0.024 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #536768
#536768
oklch(49.8% 0.024 200.2)
- #705D5D
#705D5D
oklch(49.7% 0.025 18)
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 #536768, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.019
- Dim Gray #696969 ΔE 0.033
- Dusty Grape #545775 ΔE 0.059
- YInMn Blue #415A77 ΔE 0.060
- Metallic Blue #4F738E ΔE 0.060
- Dark Aqua #05696B ΔE 0.061
- Deep Turquoise #017374 ΔE 0.062
- Battleship Gray #6C757D ΔE 0.062
Use #536768 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.