#536A63
Closest named color: Slate (#516572). oklch(50.3% 0.03 174.5), rgb(83, 106, 99).
Aa
White text reads best on this color (5.81:1).
About this color
#536A63 is a medium-dark close to neutral grey. In OKLCH its lightness is 50%, its chroma 0.030. It has too little chroma to lean warm or cool. The nearest named color is Slate (#516572), ΔE 0.033 away. White text reads best on it, at 5.81:1.
| Hue family | Neutrals |
| Lightness | medium-dark (50%) |
| Chroma | close to neutral grey (0.030) |
| Temperature | neutral |
| Nearest name | Slate (#516572) |
| Black text | 3.60:1 |
| White text | 5.81:1 |
Values
| HEX | #536A63 |
| RGB | rgb(83, 106, 99) |
| HSL | hsl(162, 12%, 37%) |
| OKLCH | oklch(50.3% 0.03 174.5) |
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 #536A63 | 5.81:1 | AA | Lc -84.3 | Fine for body text |
| Black text on #536A63 | 3.60:1 | AA large text | Lc 25.0 | Dividers and decoration only |
| #536A63 text on white | 5.81:1 | AA | Lc 79.1 | Fine for body text |
| #536A63 text on black | 3.60:1 | AA large text | Lc -22.7 | 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
#E7EBE9
oklch(93.6% 0.005 165)
-
Step 200
200
#D4DBD9
oklch(88.5% 0.008 177.3)
-
Step 300
300
#B8C4C0
oklch(81% 0.014 174.1)
-
Step 400
400
#93A59F
oklch(70.6% 0.022 173.6)
-
Step 500
500
#789088
oklch(63.2% 0.03 173.1)
-
Step 600
600
#607A72
oklch(55.6% 0.033 174.3)
-
Step 700
700 (this color)
#536A63
oklch(50.3% 0.03 174.5)
-
Step 800
800
#41544E
oklch(42.8% 0.026 173.8)
-
Step 900
900
#374541
oklch(37.7% 0.019 176)
-
Step 950
950
#212826
oklch(26.9% 0.011 176.4)
#536A63 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) | #686763 | 0.031 |
| Deuteranopia (no green cones) | #646463 | 0.029 |
| Tritanopia (no blue cones) | #4E6B68 | 0.009 |
| Achromatopsia (no color) | #656565 | 0.030 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #536A63
#536A63
oklch(50.3% 0.03 174.5)
- #735D65
#735D65
oklch(50.3% 0.031 354.5)
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 #536A63, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.033
- Dim Gray #696969 ΔE 0.034
- Dark Aquamarine #017371 ΔE 0.059
- Deep Turquoise #017374 ΔE 0.059
- Battleship Gray #6C757D ΔE 0.061
- Dark Aqua #05696B ΔE 0.061
- Dark Moss Green #606C38 ΔE 0.064
- Dark Green Blue #1F6357 ΔE 0.064
Use #536A63 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.