#558783
Closest named color: Dusty Teal (#4C9085). oklch(58.7% 0.054 189.4), rgb(85, 135, 131).
Aa
Black text reads best on this color (5.17:1).
About this color
#558783 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 59%, its chroma 0.054 and its hue 189°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Teal (#4C9085), ΔE 0.027 away. Black text reads best on it, at 5.17:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (59%) |
| Chroma | muted (0.054) |
| Temperature | cool |
| Nearest name | Dusty Teal (#4C9085) |
| Black text | 5.17:1 |
| White text | 4.05:1 |
Values
| HEX | #558783 |
| RGB | rgb(85, 135, 131) |
| HSL | hsl(175, 23%, 43%) |
| OKLCH | oklch(58.7% 0.054 189.4) |
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 #558783 | 4.05:1 | AA large text | Lc -73.2 | Content text, not long reading |
| Black text on #558783 | 5.17:1 | AA | Lc 36.4 | Non-text elements, placeholder text |
| #558783 text on white | 4.05:1 | AA large text | Lc 67.7 | Content text, not long reading |
| #558783 text on black | 5.17:1 | AA | Lc -34.0 | 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
#F3F6F6
oklch(97.1% 0.003 197.1)
-
Step 100
100
#E5EBEB
oklch(93.6% 0.006 197)
-
Step 200
200
#D0DCDB
oklch(88.5% 0.013 190.9)
-
Step 300
300
#B0C6C4
oklch(80.9% 0.024 190)
-
Step 400
400
#85A9A6
oklch(70.7% 0.04 190)
-
Step 500
500
#669490
oklch(63.2% 0.05 189.2)
-
Step 600
600 (this color)
#558783
oklch(58.7% 0.054 189.4)
-
Step 700
700
#3D6A67
oklch(49.1% 0.05 190.2)
-
Step 800
800
#335754
oklch(42.9% 0.042 189)
-
Step 900
900
#2D4745
oklch(37.6% 0.032 189.8)
-
Step 950
950
#1B2A28
oklch(27.1% 0.021 185.7)
#558783 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) | #828283 | 0.058 |
| Deuteranopia (no green cones) | #797B84 | 0.055 |
| Tritanopia (no blue cones) | #428986 | 0.018 |
| Achromatopsia (no color) | #7E7E7E | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #558783
#558783
oklch(58.7% 0.054 189.4)
- #996F75
#996F75
oklch(58.6% 0.054 9.4)
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 #558783, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Teal #4C9085 ΔE 0.027
- Steel Grey #6F828A ΔE 0.038
- Battleship Grey #6B7C85 ΔE 0.041
- Grey Blue #647D8E ΔE 0.042
- Slate Green #658D6D ΔE 0.045
- Dark Cyan #008B8B ΔE 0.046
- Slate Gray #708090 ΔE 0.047
- Steel #738595 ΔE 0.050
Use #558783 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.