#517166
Closest named color: Dim Gray (#696969). oklch(52% 0.041 171.4), rgb(81, 113, 102).
Aa
White text reads best on this color (5.37:1).
About this color
#517166 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 52%, its chroma 0.041 and its hue 171°. Its hue sits on the cool side of the wheel. The nearest named color is Dim Gray (#696969), ΔE 0.041 away. White text reads best on it, at 5.37:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (52%) |
| Chroma | muted (0.041) |
| Temperature | cool |
| Nearest name | Dim Gray (#696969) |
| Black text | 3.90:1 |
| White text | 5.37:1 |
Values
| HEX | #517166 |
| RGB | rgb(81, 113, 102) |
| HSL | hsl(159, 16%, 38%) |
| OKLCH | oklch(52% 0.041 171.4) |
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 #517166 | 5.37:1 | AA | Lc -82.1 | Fine for body text |
| Black text on #517166 | 3.90:1 | AA large text | Lc 27.3 | Dividers and decoration only |
| #517166 text on white | 5.37:1 | AA | Lc 76.8 | Fine for body text |
| #517166 text on black | 3.90:1 | AA large text | Lc -25.0 | 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
#E6EBE9
oklch(93.6% 0.006 170.4)
-
Step 200
200
#D2DCD8
oklch(88.6% 0.012 170.2)
-
Step 300
300
#B5C5BF
oklch(80.9% 0.019 171.4)
-
Step 400
400
#8EA79E
oklch(70.7% 0.031 171.6)
-
Step 500
500
#719286
oklch(63.1% 0.041 170.7)
-
Step 600
600
#597C70
oklch(55.6% 0.044 171.4)
-
Step 700
700 (this color)
#517166
oklch(52% 0.041 171.4)
-
Step 800
800
#3C554D
oklch(42.7% 0.033 172.9)
-
Step 900
900
#334640
oklch(37.6% 0.026 173.4)
-
Step 950
950
#1E2925
oklch(26.9% 0.017 170.8)
#517166 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) | #6F6D66 | 0.042 |
| Deuteranopia (no green cones) | #696967 | 0.040 |
| Tritanopia (no blue cones) | #49726E | 0.014 |
| Achromatopsia (no color) | #6A6A6A | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #517166
#517166
oklch(52% 0.041 171.4)
- #7C606C
#7C606C
oklch(52.1% 0.04 351)
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 #517166, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dim Gray #696969 ΔE 0.041
- Slate #516572 ΔE 0.047
- Dark Aquamarine #017371 ΔE 0.053
- Deep Turquoise #017374 ΔE 0.054
- Bluegreen #017A79 ΔE 0.054
- Battleship Gray #6C757D ΔE 0.054
- Deep Aqua #08787F ΔE 0.056
- Dark Moss Green #606C38 ΔE 0.061
Use #517166 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.