#558E7D
Closest named color: Dusty Teal (#4C9085). oklch(60.2% 0.066 173), rgb(85, 142, 125).
Aa
Black text reads best on this color (5.55:1).
About this color
#558E7D is a medium-dark, muted teal or cyan. In OKLCH its lightness is 60%, its chroma 0.066 and its hue 173°. 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 5.55:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (60%) |
| Chroma | muted (0.066) |
| Temperature | cool |
| Nearest name | Dusty Teal (#4C9085) |
| Black text | 5.55:1 |
| White text | 3.78:1 |
Values
| HEX | #558E7D |
| RGB | rgb(85, 142, 125) |
| HSL | hsl(162, 25%, 45%) |
| OKLCH | oklch(60.2% 0.066 173) |
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 #558E7D | 3.78:1 | AA large text | Lc -70.8 | Content text, not long reading |
| Black text on #558E7D | 5.55:1 | AA | Lc 38.8 | Non-text elements, placeholder text |
| #558E7D text on white | 3.78:1 | AA large text | Lc 65.3 | Content text, not long reading |
| #558E7D text on black | 5.55:1 | 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
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E4ECE9
oklch(93.6% 0.009 171.8)
-
Step 200
200
#CEDDD8
oklch(88.5% 0.017 174)
-
Step 300
300
#ACC8BE
oklch(80.9% 0.033 171.9)
-
Step 400
400
#80AC9D
oklch(70.8% 0.052 171.8)
-
Step 500
500 (this color)
#558E7D
oklch(60.2% 0.066 173)
-
Step 600
600
#42816F
oklch(55.6% 0.072 172.8)
-
Step 700
700
#336D5D
oklch(49.1% 0.067 173.1)
-
Step 800
800
#2B594C
oklch(42.7% 0.056 173)
-
Step 900
900
#28493F
oklch(37.7% 0.043 172.5)
-
Step 950
950
#182B25
oklch(27% 0.027 172.2)
#558E7D 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) | #8B877C | 0.069 |
| Deuteranopia (no green cones) | #81807E | 0.066 |
| Tritanopia (no blue cones) | #438F89 | 0.022 |
| Achromatopsia (no color) | #838383 | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #558E7D
#558E7D
oklch(60.2% 0.066 173)
- #A17184
#A17184
oklch(60.3% 0.066 353.8)
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 #558E7D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Teal #4C9085 ΔE 0.013
- Slate Green #658D6D ΔE 0.026
- Sea #3C9992 ΔE 0.038
- Grey Teal #5E9B8A ΔE 0.041
- Ocean Green #3D9973 ΔE 0.045
- Green Grey #77926F ΔE 0.046
- Persian Green #2A9D8F ΔE 0.047
- Blue Green #0F9B8E ΔE 0.048
Use #558E7D 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.