#536A74
Closest named color: Slate (#516572). oklch(50.9% 0.032 226.3), rgb(83, 106, 116).
Aa
White text reads best on this color (5.70:1).
About this color
#536A74 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 51%, its chroma 0.032 and its hue 226°. Its hue sits on the cool side of the wheel. The nearest named color is Slate (#516572), ΔE 0.015 away. White text reads best on it, at 5.70:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (51%) |
| Chroma | muted (0.032) |
| Temperature | cool |
| Nearest name | Slate (#516572) |
| Black text | 3.68:1 |
| White text | 5.70:1 |
Values
| HEX | #536A74 |
| RGB | rgb(83, 106, 116) |
| HSL | hsl(198, 17%, 39%) |
| OKLCH | oklch(50.9% 0.032 226.3) |
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 #536A74 | 5.70:1 | AA | Lc -83.8 | Fine for body text |
| Black text on #536A74 | 3.68:1 | AA large text | Lc 25.5 | Dividers and decoration only |
| #536A74 text on white | 5.70:1 | AA | Lc 78.5 | Fine for body text |
| #536A74 text on black | 3.68:1 | AA large text | Lc -23.3 | 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
#F4F6F6
oklch(97.2% 0.002 197.1)
-
Step 100
100
#E7EAEC
oklch(93.5% 0.004 236.5)
-
Step 200
200
#D4DADD
oklch(88.5% 0.008 228.9)
-
Step 300
300
#B7C3C8
oklch(80.9% 0.015 224.5)
-
Step 400
400
#91A4AC
oklch(70.6% 0.024 225)
-
Step 500
500
#768E98
oklch(63.1% 0.031 225)
-
Step 600
600
#5F7883
oklch(55.7% 0.034 226.5)
-
Step 700
700 (this color)
#536A74
oklch(50.9% 0.032 226.3)
-
Step 800
800
#40525A
oklch(42.6% 0.026 226.8)
-
Step 900
900
#36444A
oklch(37.7% 0.021 225.8)
-
Step 950
950
#20282B
oklch(27% 0.013 222.5)
#536A74 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) | #656975 | 0.025 |
| Deuteranopia (no green cones) | #606574 | 0.022 |
| Tritanopia (no blue cones) | #496D6D | 0.021 |
| Achromatopsia (no color) | #666666 | 0.032 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #536A74
#536A74
oklch(50.9% 0.032 226.3)
- #766157
#766157
oklch(51% 0.031 46.9)
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 #536A74, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.015
- Dim Gray #696969 ΔE 0.034
- Metallic Blue #4F738E ΔE 0.042
- Battleship Gray #6C757D ΔE 0.051
- Denim #3B638C ΔE 0.057
- Dusty Grape #545775 ΔE 0.058
- YInMn Blue #415A77 ΔE 0.059
- Deep Turquoise #017374 ΔE 0.061
Use #536A74 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.