#516F6A
Closest named color: Dim Gray (#696969). oklch(51.7% 0.036 183.5), rgb(81, 111, 106).
Aa
White text reads best on this color (5.48:1).
About this color
#516F6A is a medium-dark, muted teal or cyan. In OKLCH its lightness is 52%, its chroma 0.036 and its hue 184°. Its hue sits on the cool side of the wheel. The nearest named color is Dim Gray (#696969), ΔE 0.036 away. White text reads best on it, at 5.48:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (52%) |
| Chroma | muted (0.036) |
| Temperature | cool |
| Nearest name | Dim Gray (#696969) |
| Black text | 3.83:1 |
| White text | 5.48:1 |
Values
| HEX | #516F6A |
| RGB | rgb(81, 111, 106) |
| HSL | hsl(170, 16%, 38%) |
| OKLCH | oklch(51.7% 0.036 183.5) |
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 #516F6A | 5.48:1 | AA | Lc -82.6 | Fine for body text |
| Black text on #516F6A | 3.83:1 | AA large text | Lc 26.7 | Dividers and decoration only |
| #516F6A text on white | 5.48:1 | AA | Lc 77.3 | Fine for body text |
| #516F6A text on black | 3.83:1 | AA large text | Lc -24.4 | 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
#E6EBEA
oklch(93.6% 0.006 183)
-
Step 200
200
#D3DBDA
oklch(88.5% 0.009 188.1)
-
Step 300
300
#B5C4C2
oklch(80.8% 0.017 187.2)
-
Step 400
400
#8EA7A2
oklch(70.8% 0.029 182)
-
Step 500
500
#72918C
oklch(63.2% 0.036 184.3)
-
Step 600
600
#5A7B76
oklch(55.6% 0.038 184.6)
-
Step 700
700 (this color)
#516F6A
oklch(51.7% 0.036 183.5)
-
Step 800
800
#3D5451
oklch(42.6% 0.029 186.2)
-
Step 900
900
#344643
oklch(37.8% 0.023 183.7)
-
Step 950
950
#1F2927
oklch(27.1% 0.014 181.6)
#516F6A 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) | #6C6C6A | 0.038 |
| Deuteranopia (no green cones) | #66676A | 0.036 |
| Tritanopia (no blue cones) | #48706D | 0.011 |
| Achromatopsia (no color) | #696969 | 0.036 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #516F6A
#516F6A
oklch(51.7% 0.036 183.5)
- #7A6066
#7A6066
oklch(51.7% 0.035 2.9)
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 #516F6A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dim Gray #696969 ΔE 0.036
- Slate #516572 ΔE 0.037
- Battleship Gray #6C757D ΔE 0.051
- Dark Aquamarine #017371 ΔE 0.053
- Deep Turquoise #017374 ΔE 0.053
- Deep Aqua #08787F ΔE 0.055
- Metallic Blue #4F738E ΔE 0.055
- Bluegreen #017A79 ΔE 0.055
Use #516F6A 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.