#518486
Closest named color: Grey Blue (#647D8E). oklch(57.8% 0.055 198.9), rgb(81, 132, 134).
Aa
Black text reads best on this color (4.99:1).
About this color
#518486 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 58%, its chroma 0.055 and its hue 199°. Its hue sits on the cool side of the wheel. The nearest named color is Grey Blue (#647D8E), ΔE 0.035 away. Black text reads best on it, at 4.99:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (58%) |
| Chroma | muted (0.055) |
| Temperature | cool |
| Nearest name | Grey Blue (#647D8E) |
| Black text | 4.99:1 |
| White text | 4.20:1 |
Values
| HEX | #518486 |
| RGB | rgb(81, 132, 134) |
| HSL | hsl(182, 25%, 42%) |
| OKLCH | oklch(57.8% 0.055 198.9) |
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 #518486 | 4.20:1 | AA large text | Lc -74.4 | Content text, not long reading |
| Black text on #518486 | 4.99:1 | AA | Lc 35.2 | Non-text elements, placeholder text |
| #518486 text on white | 4.20:1 | AA large text | Lc 68.9 | Content text, not long reading |
| #518486 text on black | 4.99:1 | AA | Lc -32.7 | 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
#F3F6F6
oklch(97.1% 0.003 197.1)
-
Step 100
100
#E5EBEB
oklch(93.6% 0.006 197)
-
Step 200
200
#CFDCDC
oklch(88.5% 0.014 196.9)
-
Step 300
300
#AFC6C6
oklch(80.9% 0.025 196.7)
-
Step 400
400
#84A9AA
oklch(70.8% 0.04 198.3)
-
Step 500
500
#659395
oklch(63.1% 0.05 199.4)
-
Step 600
600 (this color)
#518486
oklch(57.8% 0.055 198.9)
-
Step 700
700
#3B6A6C
oklch(49.2% 0.052 199.2)
-
Step 800
800
#315658
oklch(42.6% 0.043 200.1)
-
Step 900
900
#2C4748
oklch(37.7% 0.033 198.8)
-
Step 950
950
#1A2A2A
oklch(27.1% 0.021 196)
#518486 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) | #7D8086 | 0.056 |
| Deuteranopia (no green cones) | #747986 | 0.052 |
| Tritanopia (no blue cones) | #3A8784 | 0.023 |
| Achromatopsia (no color) | #7B7B7B | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #518486
#518486
oklch(57.8% 0.055 198.9)
- #986D6D
#986D6D
oklch(57.9% 0.055 18.9)
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 #518486, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grey Blue #647D8E ΔE 0.035
- Battleship Grey #6B7C85 ΔE 0.037
- Dusty Teal #4C9085 ΔE 0.037
- Steel Grey #6F828A ΔE 0.038
- Dark Cyan #008B8B ΔE 0.044
- Slate Gray #708090 ΔE 0.044
- Battleship Gray #6C757D ΔE 0.050
- Steel #738595 ΔE 0.050
Use #518486 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.