#518583
Closest named color: Dusty Teal (#4C9085). oklch(58% 0.056 192.6), rgb(81, 133, 131).
Aa
Black text reads best on this color (5.03:1).
About this color
#518583 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 58%, its chroma 0.056 and its hue 193°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Teal (#4C9085), ΔE 0.032 away. Black text reads best on it, at 5.03:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (58%) |
| Chroma | muted (0.056) |
| Temperature | cool |
| Nearest name | Dusty Teal (#4C9085) |
| Black text | 5.03:1 |
| White text | 4.17:1 |
Values
| HEX | #518583 |
| RGB | rgb(81, 133, 131) |
| HSL | hsl(178, 24%, 42%) |
| OKLCH | oklch(58% 0.056 192.6) |
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 #518583 | 4.17:1 | AA large text | Lc -74.2 | Content text, not long reading |
| Black text on #518583 | 5.03:1 | AA | Lc 35.4 | Non-text elements, placeholder text |
| #518583 text on white | 4.17:1 | AA large text | Lc 68.7 | Content text, not long reading |
| #518583 text on black | 5.03:1 | AA | Lc -33.0 | 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 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
#CFDCDB
oklch(88.4% 0.014 191.4)
-
Step 300
300
#AFC6C5
oklch(80.9% 0.025 193.5)
-
Step 400
400
#84A9A7
oklch(70.7% 0.04 192.2)
-
Step 500
500
#649492
oklch(63.2% 0.052 192.6)
-
Step 600
600 (this color)
#518583
oklch(58% 0.056 192.6)
-
Step 700
700
#3B6A69
oklch(49.1% 0.052 193.8)
-
Step 800
800
#315755
oklch(42.8% 0.044 191.3)
-
Step 900
900
#2C4746
oklch(37.6% 0.033 192.9)
-
Step 950
950
#1A2A29
oklch(27% 0.022 191)
#518583 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) | #7F8083 | 0.059 |
| Deuteranopia (no green cones) | #767984 | 0.056 |
| Tritanopia (no blue cones) | #3C8884 | 0.020 |
| Achromatopsia (no color) | #7C7C7C | 0.056 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #518583
#518583
oklch(58% 0.056 192.6)
- #986D71
#986D71
oklch(58% 0.055 12.7)
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 #518583, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Teal #4C9085 ΔE 0.032
- Steel Grey #6F828A ΔE 0.040
- Battleship Grey #6B7C85 ΔE 0.040
- Grey Blue #647D8E ΔE 0.040
- Dark Cyan #008B8B ΔE 0.043
- Slate Gray #708090 ΔE 0.048
- Teal Green #0A9396 ΔE 0.051
- Slate Green #658D6D ΔE 0.051
Use #518583 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.