#557670
Closest named color: Battleship Gray (#6C757D). oklch(53.9% 0.039 182.3), rgb(85, 118, 112).
Aa
White text reads best on this color (4.98:1).
About this color
#557670 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 54%, its chroma 0.039 and its hue 182°. Its hue sits on the cool side of the wheel. The nearest named color is Battleship Gray (#6C757D), ΔE 0.039 away. White text reads best on it, at 4.98:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (54%) |
| Chroma | muted (0.039) |
| Temperature | cool |
| Nearest name | Battleship Gray (#6C757D) |
| Black text | 4.21:1 |
| White text | 4.98:1 |
Values
| HEX | #557670 |
| RGB | rgb(85, 118, 112) |
| HSL | hsl(169, 16%, 40%) |
| OKLCH | oklch(53.9% 0.039 182.3) |
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 #557670 | 4.98:1 | AA | Lc -79.9 | Fine for body text |
| Black text on #557670 | 4.21:1 | AA large text | Lc 29.6 | Dividers and decoration only |
| #557670 text on white | 4.98:1 | AA | Lc 74.5 | Content text, not long reading |
| #557670 text on black | 4.21:1 | AA large text | Lc -27.2 | 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
#F4F6F5
oklch(97.1% 0.002 165.1)
-
Step 100
100
#E6EBEA
oklch(93.6% 0.006 183)
-
Step 200
200
#D3DBD9
oklch(88.5% 0.009 179.6)
-
Step 300
300
#B5C4C1
oklch(80.8% 0.017 182.6)
-
Step 400
400
#8EA7A2
oklch(70.8% 0.029 182)
-
Step 500
500
#72918B
oklch(63.1% 0.036 182)
-
Step 600
600 (this color)
#557670
oklch(53.9% 0.039 182.3)
-
Step 700
700
#4A6862
oklch(49.2% 0.036 181)
-
Step 800
800
#3D5550
oklch(42.8% 0.03 180.5)
-
Step 900
900
#344642
oklch(37.7% 0.024 179.8)
-
Step 950
950
#1F2927
oklch(27.1% 0.014 181.6)
#557670 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) | #737270 | 0.042 |
| Deuteranopia (no green cones) | #6D6E71 | 0.039 |
| Tritanopia (no blue cones) | #4B7774 | 0.012 |
| Achromatopsia (no color) | #707070 | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #557670
#557670
oklch(53.9% 0.039 182.3)
- #82656C
#82656C
oklch(53.8% 0.039 2.4)
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 #557670, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Battleship Gray #6C757D ΔE 0.039
- Dim Gray #696969 ΔE 0.043
- Battleship Grey #6B7C85 ΔE 0.047
- Metallic Blue #4F738E ΔE 0.051
- Grey Blue #647D8E ΔE 0.052
- Bluegreen #017A79 ΔE 0.054
- Slate #516572 ΔE 0.055
- Deep Aqua #08787F ΔE 0.055
Use #557670 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.