#558577
Closest named color: Dusty Teal (#4C9085). oklch(57.8% 0.057 173.9), rgb(85, 133, 119).
Aa
Black text reads best on this color (5.00:1).
About this color
#558577 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 58%, its chroma 0.057 and its hue 174°. 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 5.00:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (58%) |
| Chroma | muted (0.057) |
| Temperature | cool |
| Nearest name | Dusty Teal (#4C9085) |
| Black text | 5.00:1 |
| White text | 4.19:1 |
Values
| HEX | #558577 |
| RGB | rgb(85, 133, 119) |
| HSL | hsl(162, 22%, 43%) |
| OKLCH | oklch(57.8% 0.057 173.9) |
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 #558577 | 4.19:1 | AA large text | Lc -74.3 | Content text, not long reading |
| Black text on #558577 | 5.00:1 | AA | Lc 35.2 | Non-text elements, placeholder text |
| #558577 text on white | 4.19:1 | AA large text | Lc 68.8 | Content text, not long reading |
| #558577 text on black | 5.00:1 | AA | Lc -32.8 | 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
#E5EBE9
oklch(93.5% 0.007 174.4)
-
Step 200
200
#D0DCD8
oklch(88.4% 0.014 174.1)
-
Step 300
300
#B1C6BF
oklch(80.9% 0.025 173.7)
-
Step 400
400
#87A99E
oklch(70.6% 0.041 173.4)
-
Step 500
500
#689487
oklch(63.1% 0.052 174.3)
-
Step 600
600 (this color)
#558577
oklch(57.8% 0.057 173.9)
-
Step 700
700
#3F6B5E
oklch(49.2% 0.054 173.2)
-
Step 800
800
#34574D
oklch(42.7% 0.044 174)
-
Step 900
900
#2E4840
oklch(37.8% 0.035 173.1)
-
Step 950
950
#1B2A26
oklch(27% 0.022 176.2)
#558577 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) | #827F76 | 0.060 |
| Deuteranopia (no green cones) | #7A7978 | 0.057 |
| Tritanopia (no blue cones) | #478681 | 0.018 |
| Achromatopsia (no color) | #7C7C7C | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #558577
#558577
oklch(57.8% 0.057 173.9)
- #956C7C
#956C7C
oklch(57.8% 0.057 353.8)
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 #558577, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Teal #4C9085 ΔE 0.032
- Slate Green #658D6D ΔE 0.038
- Dark Sage #598556 ΔE 0.048
- Battleship Grey #6B7C85 ΔE 0.048
- Steel Grey #6F828A ΔE 0.048
- Dark Cyan #008B8B ΔE 0.050
- Grey Blue #647D8E ΔE 0.053
- Medium Grey #7D7F7C ΔE 0.055
Use #558577 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.