#578980
Closest named color: Dusty Teal (#4C9085). oklch(59.2% 0.056 181.7), rgb(87, 137, 128).
Aa
Black text reads best on this color (5.29:1).
About this color
#578980 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 59%, its chroma 0.056 and its hue 182°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Teal (#4C9085), ΔE 0.021 away. Black text reads best on it, at 5.29:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (59%) |
| Chroma | muted (0.056) |
| Temperature | cool |
| Nearest name | Dusty Teal (#4C9085) |
| Black text | 5.29:1 |
| White text | 3.96:1 |
Values
| HEX | #578980 |
| RGB | rgb(87, 137, 128) |
| HSL | hsl(169, 22%, 44%) |
| OKLCH | oklch(59.2% 0.056 181.7) |
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 #578980 | 3.96:1 | AA large text | Lc -72.4 | Content text, not long reading |
| Black text on #578980 | 5.29:1 | AA | Lc 37.1 | Non-text elements, placeholder text |
| #578980 text on white | 3.96:1 | AA large text | Lc 66.9 | Content text, not long reading |
| #578980 text on black | 5.29:1 | AA | Lc -34.7 | 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
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E5EBEA
oklch(93.5% 0.007 185.3)
-
Step 200
200
#D0DCDA
oklch(88.5% 0.013 185.1)
-
Step 300
300
#B0C6C2
oklch(80.9% 0.025 183.6)
-
Step 400
400
#86A9A2
oklch(70.7% 0.04 181.6)
-
Step 500
500
#66948B
oklch(63.1% 0.052 181)
-
Step 600
600 (this color)
#578980
oklch(59.2% 0.056 181.7)
-
Step 700
700
#3D6B63
oklch(49.2% 0.053 181.7)
-
Step 800
800
#335751
oklch(42.8% 0.043 182.5)
-
Step 900
900
#2D4843
oklch(37.8% 0.034 181.5)
-
Step 950
950
#1B2A27
oklch(27% 0.021 180.8)
#578980 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) | #858480 | 0.060 |
| Deuteranopia (no green cones) | #7C7D81 | 0.057 |
| Tritanopia (no blue cones) | #468B86 | 0.017 |
| Achromatopsia (no color) | #808080 | 0.056 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #578980
#578980
oklch(59.2% 0.056 181.7)
- #9B707B
#9B707B
oklch(59.2% 0.056 2.1)
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 #578980, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Teal #4C9085 ΔE 0.021
- Slate Green #658D6D ΔE 0.037
- Steel Grey #6F828A ΔE 0.041
- Battleship Grey #6B7C85 ΔE 0.047
- Sea #3C9992 ΔE 0.047
- Dark Cyan #008B8B ΔE 0.048
- Grey Blue #647D8E ΔE 0.050
- Teal Green #0A9396 ΔE 0.051
Use #578980 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.