#518A8A
Closest named color: Dusty Teal (#4C9085). oklch(59.4% 0.06 195.7), rgb(81, 138, 138).
Aa
Black text reads best on this color (5.35:1).
About this color
#518A8A is a medium-dark, muted teal or cyan. In OKLCH its lightness is 59%, its chroma 0.060 and its hue 196°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Teal (#4C9085), ΔE 0.022 away. Black text reads best on it, at 5.35:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (59%) |
| Chroma | muted (0.060) |
| Temperature | cool |
| Nearest name | Dusty Teal (#4C9085) |
| Black text | 5.35:1 |
| White text | 3.92:1 |
Values
| HEX | #518A8A |
| RGB | rgb(81, 138, 138) |
| HSL | hsl(180, 26%, 43%) |
| OKLCH | oklch(59.4% 0.06 195.7) |
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 #518A8A | 3.92:1 | AA large text | Lc -72.0 | Content text, not long reading |
| Black text on #518A8A | 5.35:1 | AA | Lc 37.5 | Non-text elements, placeholder text |
| #518A8A text on white | 3.92:1 | AA large text | Lc 66.5 | Content text, not long reading |
| #518A8A text on black | 5.35:1 | AA | Lc -35.1 | 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
#F3F6F6
oklch(97.1% 0.003 197.1)
-
Step 100
100
#E4ECEC
oklch(93.7% 0.009 197)
-
Step 200
200
#CDDDDC
oklch(88.5% 0.017 192.3)
-
Step 300
300
#ACC7C7
oklch(81% 0.029 196.6)
-
Step 400
400
#7EAAAA
oklch(70.6% 0.047 196.1)
-
Step 500
500 (this color)
#518A8A
oklch(59.4% 0.06 195.7)
-
Step 600
600
#407F80
oklch(55.5% 0.065 196.8)
-
Step 700
700
#316C6C
oklch(49.2% 0.061 195.3)
-
Step 800
800
#2A5858
oklch(42.8% 0.05 195.4)
-
Step 900
900
#274848
oklch(37.7% 0.039 195.6)
-
Step 950
950
#172A2A
oklch(26.9% 0.025 195.8)
#518A8A 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) | #83858A | 0.062 |
| Deuteranopia (no green cones) | #797D8B | 0.059 |
| Tritanopia (no blue cones) | #378D8A | 0.022 |
| Achromatopsia (no color) | #808080 | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #518A8A
#518A8A
oklch(59.4% 0.06 195.7)
- #9F7073
#9F7073
oklch(59.4% 0.06 14.8)
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 #518A8A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Teal #4C9085 ΔE 0.022
- Steel Grey #6F828A ΔE 0.040
- Teal Green #0A9396 ΔE 0.042
- Dark Cyan #008B8B ΔE 0.042
- Sea #3C9992 ΔE 0.043
- Grey Blue #647D8E ΔE 0.045
- Battleship Grey #6B7C85 ΔE 0.046
- Steel #738595 ΔE 0.048
Use #518A8A 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.