#557474
Closest named color: Battleship Gray (#6C757D). oklch(53.5% 0.036 196.1), rgb(85, 116, 116).
Aa
White text reads best on this color (5.07:1).
About this color
#557474 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 54%, its chroma 0.036 and its hue 196°. Its hue sits on the cool side of the wheel. The nearest named color is Battleship Gray (#6C757D), ΔE 0.036 away. White text reads best on it, at 5.07:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (54%) |
| Chroma | muted (0.036) |
| Temperature | cool |
| Nearest name | Battleship Gray (#6C757D) |
| Black text | 4.13:1 |
| White text | 5.07:1 |
Values
| HEX | #557474 |
| RGB | rgb(85, 116, 116) |
| HSL | hsl(180, 15%, 39%) |
| OKLCH | oklch(53.5% 0.036 196.1) |
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 #557474 | 5.07:1 | AA | Lc -80.4 | Fine for body text |
| Black text on #557474 | 4.13:1 | AA large text | Lc 29.0 | Dividers and decoration only |
| #557474 text on white | 5.07:1 | AA | Lc 75.0 | Fine for body text |
| #557474 text on black | 4.13:1 | AA large text | Lc -26.7 | Dividers and decoration only |
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
#F4F6F6
oklch(97.2% 0.002 197.1)
-
Step 100
100
#E6EBEB
oklch(93.6% 0.005 197.1)
-
Step 200
200
#D3DBDB
oklch(88.5% 0.009 197)
-
Step 300
300
#B5C4C4
oklch(80.9% 0.016 196.8)
-
Step 400
400
#8FA6A6
oklch(70.7% 0.026 196.6)
-
Step 500
500
#739090
oklch(63.1% 0.033 196.4)
-
Step 600
600 (this color)
#557474
oklch(53.5% 0.036 196.1)
-
Step 700
700
#4B6767
oklch(49.2% 0.033 196.1)
-
Step 800
800
#3D5454
oklch(42.7% 0.028 196.2)
-
Step 900
900
#344545
oklch(37.6% 0.022 196.3)
-
Step 950
950
#1F2929
oklch(27.1% 0.014 196.4)
#557474 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) | #707174 | 0.037 |
| Deuteranopia (no green cones) | #6A6C74 | 0.036 |
| Tritanopia (no blue cones) | #4B7674 | 0.013 |
| Achromatopsia (no color) | #6E6E6E | 0.036 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #557474
#557474
oklch(53.5% 0.036 196.1)
- #816566
#816566
oklch(53.5% 0.036 15.9)
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 #557474, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Battleship Gray #6C757D ΔE 0.036
- Dim Gray #696969 ΔE 0.038
- Metallic Blue #4F738E ΔE 0.043
- Battleship Grey #6B7C85 ΔE 0.046
- Slate #516572 ΔE 0.046
- Grey Blue #647D8E ΔE 0.049
- Deep Aqua #08787F ΔE 0.053
- Bluegreen #017A79 ΔE 0.055
Use #557474 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.