#558E85
Closest named color: Dusty Teal (#4C9085). oklch(60.5% 0.062 183), rgb(85, 142, 133).
Aa
Black text reads best on this color (5.59:1).
About this color
#558E85 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 60%, its chroma 0.062 and its hue 183°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Teal (#4C9085), ΔE 0.010 away. Black text reads best on it, at 5.59:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (60%) |
| Chroma | muted (0.062) |
| Temperature | cool |
| Nearest name | Dusty Teal (#4C9085) |
| Black text | 5.59:1 |
| White text | 3.75:1 |
Values
| HEX | #558E85 |
| RGB | rgb(85, 142, 133) |
| HSL | hsl(171, 25%, 45%) |
| OKLCH | oklch(60.5% 0.062 183) |
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 #558E85 | 3.75:1 | AA large text | Lc -70.5 | Content text, not long reading |
| Black text on #558E85 | 5.59:1 | AA | Lc 39.1 | Non-text elements, placeholder text |
| #558E85 text on white | 3.75:1 | AA large text | Lc 65.0 | Content text, not long reading |
| #558E85 text on black | 5.59:1 | AA | Lc -36.7 | 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 500.
-
Step 50
50
#F3F6F6
oklch(97.1% 0.003 197.1)
-
Step 100
100
#E4ECEA
oklch(93.6% 0.009 179.6)
-
Step 200
200
#CEDDDA
oklch(88.5% 0.017 182.7)
-
Step 300
300
#ACC7C2
oklch(80.8% 0.03 183.2)
-
Step 400
400
#7FABA3
oklch(70.7% 0.049 182.4)
-
Step 500
500 (this color)
#558E85
oklch(60.5% 0.062 183)
-
Step 600
600
#418077
oklch(55.5% 0.067 183.5)
-
Step 700
700
#326C64
oklch(49% 0.062 183.6)
-
Step 800
800
#2B5852
oklch(42.6% 0.051 184.3)
-
Step 900
900
#274944
oklch(37.8% 0.041 183.6)
-
Step 950
950
#182B28
oklch(27.2% 0.026 183.3)
#558E85 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) | #898885 | 0.066 |
| Deuteranopia (no green cones) | #7F8186 | 0.062 |
| Tritanopia (no blue cones) | #40908B | 0.019 |
| Achromatopsia (no color) | #848484 | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #558E85
#558E85
oklch(60.5% 0.062 183)
- #A2727E
#A2727E
oklch(60.4% 0.063 2.7)
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 #558E85, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Teal #4C9085 ΔE 0.010
- Sea #3C9992 ΔE 0.034
- Slate Green #658D6D ΔE 0.036
- Grey Teal #5E9B8A ΔE 0.040
- Teal Green #0A9396 ΔE 0.044
- Persian Green #2A9D8F ΔE 0.047
- Steel Grey #6F828A ΔE 0.048
- Blue Green #0F9B8E ΔE 0.048
Use #558E85 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.