#536774
Closest named color: Slate (#516572). oklch(50.2% 0.032 236.8), rgb(83, 103, 116).
Aa
White text reads best on this color (5.89:1).
About this color
#536774 is a medium-dark, muted blue. In OKLCH its lightness is 50%, its chroma 0.032 and its hue 237°. Its hue sits on the cool side of the wheel. The nearest named color is Slate (#516572), ΔE 0.007 away. White text reads best on it, at 5.89:1.
| Hue family | Blues |
| Lightness | medium-dark (50%) |
| Chroma | muted (0.032) |
| Temperature | cool |
| Nearest name | Slate (#516572) |
| Black text | 3.56:1 |
| White text | 5.89:1 |
Values
| HEX | #536774 |
| RGB | rgb(83, 103, 116) |
| HSL | hsl(204, 17%, 39%) |
| OKLCH | oklch(50.2% 0.032 236.8) |
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 #536774 | 5.89:1 | AA | Lc -84.7 | Fine for body text |
| Black text on #536774 | 3.56:1 | AA large text | Lc 24.6 | Dividers and decoration only |
| #536774 text on white | 5.89:1 | AA | Lc 79.5 | Fine for body text |
| #536774 text on black | 3.56:1 | AA large text | Lc -22.3 | 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
#F4F6F7
oklch(97.2% 0.003 228.8)
-
Step 100
100
#E7EAEC
oklch(93.5% 0.004 236.5)
-
Step 200
200
#D4DADE
oklch(88.5% 0.009 236.6)
-
Step 300
300
#B8C2C9
oklch(80.8% 0.015 238.1)
-
Step 400
400
#93A3AE
oklch(70.6% 0.024 237.8)
-
Step 500
500
#788D9A
oklch(63.1% 0.031 235.2)
-
Step 600
600
#617785
oklch(55.7% 0.034 236.1)
-
Step 700
700 (this color)
#536774
oklch(50.2% 0.032 236.8)
-
Step 800
800
#42515C
oklch(42.6% 0.026 240)
-
Step 900
900
#38434B
oklch(37.6% 0.02 239.7)
-
Step 950
950
#21282C
oklch(27.2% 0.012 232.9)
#536774 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) | #616675 | 0.020 |
| Deuteranopia (no green cones) | #5D6374 | 0.018 |
| Tritanopia (no blue cones) | #496A6B | 0.024 |
| Achromatopsia (no color) | #646464 | 0.032 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #536774
#536774
oklch(50.2% 0.032 236.8)
- #726052
#726052
oklch(50.3% 0.032 59.9)
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 #536774, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.007
- Dim Gray #696969 ΔE 0.037
- Metallic Blue #4F738E ΔE 0.046
- Dusty Grape #545775 ΔE 0.049
- YInMn Blue #415A77 ΔE 0.050
- Denim #3B638C ΔE 0.052
- Battleship Gray #6C757D ΔE 0.057
- Deep Turquoise #017374 ΔE 0.065
Use #536774 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.