#518C8D
Closest named color: Dusty Teal (#4C9085). oklch(60% 0.062 197), rgb(81, 140, 141).
Aa
Black text reads best on this color (5.48:1).
About this color
#518C8D is a medium-dark, muted teal or cyan. In OKLCH its lightness is 60%, its chroma 0.062 and its hue 197°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Teal (#4C9085), ΔE 0.020 away. Black text reads best on it, at 5.48:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (60%) |
| Chroma | muted (0.062) |
| Temperature | cool |
| Nearest name | Dusty Teal (#4C9085) |
| Black text | 5.48:1 |
| White text | 3.82:1 |
Values
| HEX | #518C8D |
| RGB | rgb(81, 140, 141) |
| HSL | hsl(181, 27%, 44%) |
| OKLCH | oklch(60% 0.062 197) |
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 #518C8D | 3.82:1 | AA large text | Lc -71.2 | Content text, not long reading |
| Black text on #518C8D | 5.48:1 | AA | Lc 38.4 | Non-text elements, placeholder text |
| #518C8D text on white | 3.82:1 | AA large text | Lc 65.7 | Content text, not long reading |
| #518C8D text on black | 5.48:1 | AA | Lc -36.0 | Non-text elements, placeholder text |
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 500.
-
Step 50
50
#F2F6F6
oklch(97% 0.004 197.1)
-
Step 100
100
#E4ECEC
oklch(93.7% 0.009 197)
-
Step 200
200
#CDDDDD
oklch(88.6% 0.017 196.8)
-
Step 300
300
#ABC7C7
oklch(80.9% 0.03 196.6)
-
Step 400
400
#7DAAAB
oklch(70.6% 0.048 197.8)
-
Step 500
500 (this color)
#518C8D
oklch(60% 0.062 197)
-
Step 600
600
#3E8081
oklch(55.7% 0.067 196.7)
-
Step 700
700
#2F6C6D
oklch(49.2% 0.063 196.8)
-
Step 800
800
#285859
oklch(42.8% 0.052 197.2)
-
Step 900
900
#264849
oklch(37.6% 0.04 198.1)
-
Step 950
950
#172A2B
oklch(26.9% 0.025 200)
#518C8D 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) | #85878D | 0.064 |
| Deuteranopia (no green cones) | #7A7F8D | 0.059 |
| Tritanopia (no blue cones) | #35908C | 0.025 |
| Achromatopsia (no color) | #828282 | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #518C8D
#518C8D
oklch(60% 0.062 197)
- #A27273
#A27273
oklch(60.1% 0.061 17.6)
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 #518C8D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Teal #4C9085 ΔE 0.020
- Sea #3C9992 ΔE 0.038
- Teal Green #0A9396 ΔE 0.039
- Steel Grey #6F828A ΔE 0.042
- Dark Cyan #008B8B ΔE 0.044
- Steel #738595 ΔE 0.047
- Grey Blue #647D8E ΔE 0.048
- Slate Gray #708090 ΔE 0.049
Use #518C8D 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.