#4B686B
Closest named color: Slate (#516572). oklch(49.6% 0.034 204.1), rgb(75, 104, 107).
Aa
White text reads best on this color (6.01:1).
About this color
#4B686B is a medium-dark, muted teal or cyan. In OKLCH its lightness is 50%, its chroma 0.034 and its hue 204°. Its hue sits on the cool side of the wheel. The nearest named color is Slate (#516572), ΔE 0.019 away. White text reads best on it, at 6.01:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (50%) |
| Chroma | muted (0.034) |
| Temperature | cool |
| Nearest name | Slate (#516572) |
| Black text | 3.49:1 |
| White text | 6.01:1 |
Values
| HEX | #4B686B |
| RGB | rgb(75, 104, 107) |
| HSL | hsl(186, 18%, 36%) |
| OKLCH | oklch(49.6% 0.034 204.1) |
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 #4B686B | 6.01:1 | AA | Lc -85.2 | Fine for body text |
| Black text on #4B686B | 3.49:1 | AA large text | Lc 24.0 | Dividers and decoration only |
| #4B686B text on white | 6.01:1 | AA | Lc 80.0 | Fine for body text |
| #4B686B text on black | 3.49:1 | AA large text | Lc -21.8 | 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
#F4F6F6
oklch(97.2% 0.002 197.1)
-
Step 100
100
#E6EBEB
oklch(93.6% 0.005 197.1)
-
Step 200
200
#D3DBDC
oklch(88.6% 0.009 205.9)
-
Step 300
300
#B5C4C5
oklch(80.9% 0.017 201.7)
-
Step 400
400
#8EA6A8
oklch(70.7% 0.027 202.7)
-
Step 500
500
#729093
oklch(63.1% 0.034 203.9)
-
Step 600
600
#5A7A7D
oklch(55.6% 0.037 203.4)
-
Step 700
700 (this color)
#4B686B
oklch(49.6% 0.034 204.1)
-
Step 800
800
#3D5456
oklch(42.8% 0.028 202.8)
-
Step 900
900
#344547
oklch(37.7% 0.022 205.2)
-
Step 950
950
#1F292A
oklch(27.2% 0.014 203.9)
#4B686B 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) | #64656B | 0.035 |
| Deuteranopia (no green cones) | #5E616B | 0.032 |
| Tritanopia (no blue cones) | #406A69 | 0.015 |
| Achromatopsia (no color) | #636363 | 0.034 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B686B
#4B686B
oklch(49.6% 0.034 204.1)
- #755B59
#755B59
oklch(49.7% 0.034 23.5)
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 #4B686B, 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 0.042
- Dark Aqua #05696B ΔE 0.051
- Deep Turquoise #017374 ΔE 0.053
- Dark Aquamarine #017371 ΔE 0.053
- YInMn Blue #415A77 ΔE 0.056
- Metallic Blue #4F738E ΔE 0.058
- Dark Green Blue #1F6357 ΔE 0.059
Use #4B686B 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.