#496B66
Closest named color: Slate (#516572). oklch(50% 0.04 184.6), rgb(73, 107, 102).
Aa
White text reads best on this color (5.86:1).
About this color
#496B66 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 50%, its chroma 0.040 and its hue 185°. Its hue sits on the cool side of the wheel. The nearest named color is Slate (#516572), ΔE 0.033 away. White text reads best on it, at 5.86:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (50%) |
| Chroma | muted (0.040) |
| Temperature | cool |
| Nearest name | Slate (#516572) |
| Black text | 3.57:1 |
| White text | 5.86:1 |
Values
| HEX | #496B66 |
| RGB | rgb(73, 107, 102) |
| HSL | hsl(171, 19%, 35%) |
| OKLCH | oklch(50% 0.04 184.6) |
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 #496B66 | 5.86:1 | AA | Lc -84.5 | Fine for body text |
| Black text on #496B66 | 3.57:1 | AA large text | Lc 24.7 | Dividers and decoration only |
| #496B66 text on white | 5.86:1 | AA | Lc 79.3 | Fine for body text |
| #496B66 text on black | 3.57:1 | AA large text | Lc -22.5 | 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
#E6EBEA
oklch(93.6% 0.006 183)
-
Step 200
200
#D2DBDA
oklch(88.4% 0.01 189)
-
Step 300
300
#B4C5C2
oklch(81% 0.019 184.1)
-
Step 400
400
#8CA7A3
oklch(70.7% 0.03 185.6)
-
Step 500
500
#6F928C
oklch(63.2% 0.04 183.4)
-
Step 600
600
#567C76
oklch(55.6% 0.044 183.8)
-
Step 700
700 (this color)
#496B66
oklch(50% 0.04 184.6)
-
Step 800
800
#3A5551
oklch(42.7% 0.033 184.6)
-
Step 900
900
#324643
oklch(37.6% 0.026 184.7)
-
Step 950
950
#1E2927
oklch(27% 0.016 182.8)
#496B66 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) | #686766 | 0.043 |
| Deuteranopia (no green cones) | #616367 | 0.039 |
| Tritanopia (no blue cones) | #3E6C69 | 0.012 |
| Achromatopsia (no color) | #656565 | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #496B66
#496B66
oklch(50% 0.04 184.6)
- #785A60
#785A60
oklch(50% 0.04 5.3)
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 #496B66, 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 0.045
- Dark Aquamarine #017371 ΔE 0.047
- Deep Turquoise #017374 ΔE 0.047
- Dark Aqua #05696B ΔE 0.049
- Deep Aqua #08787F ΔE 0.055
- Dark Green Blue #1F6357 ΔE 0.056
- Bluegreen #017A79 ΔE 0.056
Use #496B66 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.