#558D87
Closest named color: Dusty Teal (#4C9085). oklch(60.3% 0.06 187), rgb(85, 141, 135).
Aa
Black text reads best on this color (5.54:1).
About this color
#558D87 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 60%, its chroma 0.060 and its hue 187°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Teal (#4C9085), ΔE 0.013 away. Black text reads best on it, at 5.54:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (60%) |
| Chroma | muted (0.060) |
| Temperature | cool |
| Nearest name | Dusty Teal (#4C9085) |
| Black text | 5.54:1 |
| White text | 3.78:1 |
Values
| HEX | #558D87 |
| RGB | rgb(85, 141, 135) |
| HSL | hsl(174, 25%, 44%) |
| OKLCH | oklch(60.3% 0.06 187) |
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 #558D87 | 3.78:1 | AA large text | Lc -70.8 | Content text, not long reading |
| Black text on #558D87 | 5.54:1 | AA | Lc 38.8 | Non-text elements, placeholder text |
| #558D87 text on white | 3.78:1 | AA large text | Lc 65.3 | Content text, not long reading |
| #558D87 text on black | 5.54:1 | AA | Lc -36.4 | 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
#E4ECEB
oklch(93.7% 0.009 188.1)
-
Step 200
200
#CEDDDB
oklch(88.6% 0.016 187.3)
-
Step 300
300
#ACC7C4
oklch(80.9% 0.029 188.4)
-
Step 400
400
#7FABA5
oklch(70.8% 0.048 185.8)
-
Step 500
500 (this color)
#558D87
oklch(60.3% 0.06 187)
-
Step 600
600
#42807A
oklch(55.7% 0.065 187.3)
-
Step 700
700
#336C66
oklch(49.1% 0.061 186.4)
-
Step 800
800
#2B5854
oklch(42.7% 0.05 187.9)
-
Step 900
900
#284845
oklch(37.6% 0.038 188)
-
Step 950
950
#182A28
oklch(26.9% 0.024 187)
#558D87 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) | #888787 | 0.065 |
| Deuteranopia (no green cones) | #7E8088 | 0.061 |
| Tritanopia (no blue cones) | #3F8F8B | 0.019 |
| Achromatopsia (no color) | #838383 | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #558D87
#558D87
oklch(60.3% 0.06 187)
- #A1727B
#A1727B
oklch(60.2% 0.061 6.4)
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 #558D87, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Teal #4C9085 ΔE 0.013
- Sea #3C9992 ΔE 0.036
- Slate Green #658D6D ΔE 0.040
- Teal Green #0A9396 ΔE 0.043
- Grey Teal #5E9B8A ΔE 0.043
- Steel Grey #6F828A ΔE 0.044
- Dark Cyan #008B8B ΔE 0.048
- Persian Green #2A9D8F ΔE 0.050
Use #558D87 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.