#558993
Closest named color: Steel Grey (#6F828A). oklch(59.7% 0.057 211.1), rgb(85, 137, 147).
Aa
Black text reads best on this color (5.38:1).
About this color
#558993 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 60%, its chroma 0.057 and its hue 211°. Its hue sits on the cool side of the wheel. The nearest named color is Steel Grey (#6F828A), ΔE 0.034 away. Black text reads best on it, at 5.38:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (60%) |
| Chroma | muted (0.057) |
| Temperature | cool |
| Nearest name | Steel Grey (#6F828A) |
| Black text | 5.38:1 |
| White text | 3.89:1 |
Values
| HEX | #558993 |
| RGB | rgb(85, 137, 147) |
| HSL | hsl(190, 27%, 45%) |
| OKLCH | oklch(59.7% 0.057 211.1) |
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 #558993 | 3.89:1 | AA large text | Lc -71.8 | Content text, not long reading |
| Black text on #558993 | 5.38:1 | AA | Lc 37.7 | Non-text elements, placeholder text |
| #558993 text on white | 3.89:1 | AA large text | Lc 66.3 | Content text, not long reading |
| #558993 text on black | 5.38:1 | AA | Lc -35.3 | 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
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E4EBED
oklch(93.5% 0.008 216.6)
-
Step 200
200
#CEDCDF
oklch(88.5% 0.016 212)
-
Step 300
300
#ADC6CB
oklch(80.9% 0.028 211.1)
-
Step 400
400
#80A9B1
oklch(70.8% 0.046 210.9)
-
Step 500
500 (this color)
#558993
oklch(59.7% 0.057 211.1)
-
Step 600
600
#447D88
oklch(55.5% 0.062 211.5)
-
Step 700
700
#356A73
oklch(49.2% 0.058 209.8)
-
Step 800
800
#2D565E
oklch(42.7% 0.048 211.7)
-
Step 900
900
#29474D
oklch(37.7% 0.037 211.7)
-
Step 950
950
#182A2D
oklch(27.1% 0.024 209.1)
#558993 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) | #808594 | 0.054 |
| Deuteranopia (no green cones) | #767E93 | 0.049 |
| Tritanopia (no blue cones) | #3A8E8C | 0.031 |
| Achromatopsia (no color) | #818181 | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #558993
#558993
oklch(59.7% 0.057 211.1)
- #9F736B
#9F736B
oklch(59.8% 0.057 30.4)
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 #558993, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Steel Grey #6F828A ΔE 0.034
- Grey Blue #647D8E ΔE 0.036
- Dusty Teal #4C9085 ΔE 0.036
- Steel #738595 ΔE 0.037
- Slate Gray #708090 ΔE 0.038
- Battleship Grey #6B7C85 ΔE 0.042
- Light Slate Gray #778899 ΔE 0.043
- Dusty Blue #5A86AD ΔE 0.045
Use #558993 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.