#518779
Closest named color: Dusty Teal (#4C9085). oklch(58.1% 0.062 175.6), rgb(81, 135, 121).
Aa
Black text reads best on this color (5.09:1).
About this color
#518779 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 58%, its chroma 0.062 and its hue 176°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Teal (#4C9085), ΔE 0.027 away. Black text reads best on it, at 5.09:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (58%) |
| Chroma | muted (0.062) |
| Temperature | cool |
| Nearest name | Dusty Teal (#4C9085) |
| Black text | 5.09:1 |
| White text | 4.12:1 |
Values
| HEX | #518779 |
| RGB | rgb(81, 135, 121) |
| HSL | hsl(164, 25%, 42%) |
| OKLCH | oklch(58.1% 0.062 175.6) |
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 #518779 | 4.12:1 | AA large text | Lc -73.8 | Content text, not long reading |
| Black text on #518779 | 5.09:1 | AA | Lc 35.8 | Non-text elements, placeholder text |
| #518779 text on white | 4.12:1 | AA large text | Lc 68.3 | Content text, not long reading |
| #518779 text on black | 5.09:1 | AA | Lc -33.4 | 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 600.
-
Step 50
50
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E5ECE9
oklch(93.7% 0.008 168.7)
-
Step 200
200
#CFDDD8
oklch(88.6% 0.016 172.6)
-
Step 300
300
#AFC7C0
oklch(81% 0.028 176.2)
-
Step 400
400
#84AA9F
oklch(70.7% 0.044 175.4)
-
Step 500
500
#649588
oklch(63.1% 0.056 175.9)
-
Step 600
600 (this color)
#518779
oklch(58.1% 0.062 175.6)
-
Step 700
700
#3A6C5F
oklch(49.2% 0.059 175)
-
Step 800
800
#31584E
oklch(42.8% 0.048 175.6)
-
Step 900
900
#2C4841
oklch(37.7% 0.036 176.7)
-
Step 950
950
#1A2A26
oklch(26.9% 0.023 177.2)
#518779 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) | #838178 | 0.064 |
| Deuteranopia (no green cones) | #7A7A7A | 0.062 |
| Tritanopia (no blue cones) | #408883 | 0.019 |
| Achromatopsia (no color) | #7D7D7D | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #518779
#518779
oklch(58.1% 0.062 175.6)
- #996C7C
#996C7C
oklch(58.2% 0.061 356.1)
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 #518779, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Teal #4C9085 ΔE 0.027
- Slate Green #658D6D ΔE 0.037
- Dark Cyan #008B8B ΔE 0.045
- Dark Sage #598556 ΔE 0.048
- Steel Grey #6F828A ΔE 0.051
- Battleship Grey #6B7C85 ΔE 0.052
- Teal Green #0A9396 ΔE 0.053
- Sea #3C9992 ΔE 0.054
Use #518779 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.