#577873
Closest named color: Battleship Gray (#6C757D). oklch(54.6% 0.039 184.6), rgb(87, 120, 115).
Aa
White text reads best on this color (4.83:1).
About this color
#577873 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 55%, its chroma 0.039 and its hue 185°. 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 4.83:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (55%) |
| Chroma | muted (0.039) |
| Temperature | cool |
| Nearest name | Battleship Gray (#6C757D) |
| Black text | 4.33:1 |
| White text | 4.83:1 |
Values
| HEX | #577873 |
| RGB | rgb(87, 120, 115) |
| HSL | hsl(171, 16%, 41%) |
| OKLCH | oklch(54.6% 0.039 184.6) |
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 #577873 | 4.83:1 | AA | Lc -79.0 | Fine for body text |
| Black text on #577873 | 4.33:1 | AA large text | Lc 30.5 | Non-text elements, placeholder text |
| #577873 text on white | 4.83:1 | AA | Lc 73.5 | Content text, not long reading |
| #577873 text on black | 4.33:1 | AA large text | Lc -28.2 | 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
#D3DBDA
oklch(88.5% 0.009 188.1)
-
Step 300
300
#B5C4C2
oklch(80.8% 0.017 187.2)
-
Step 400
400
#8EA7A3
oklch(70.8% 0.028 184.8)
-
Step 500
500
#72918C
oklch(63.2% 0.036 184.3)
-
Step 600
600 (this color)
#577873
oklch(54.6% 0.039 184.6)
-
Step 700
700
#4A6863
oklch(49.2% 0.036 183.4)
-
Step 800
800
#3D5451
oklch(42.6% 0.029 186.2)
-
Step 900
900
#344643
oklch(37.8% 0.023 183.7)
-
Step 950
950
#1F2927
oklch(27.1% 0.014 181.6)
#577873 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) | #757473 | 0.042 |
| Deuteranopia (no green cones) | #6F7074 | 0.039 |
| Tritanopia (no blue cones) | #4D7976 | 0.012 |
| Achromatopsia (no color) | #727272 | 0.039 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #577873
#577873
oklch(54.6% 0.039 184.6)
- #85676D
#85676D
oklch(54.5% 0.039 5.1)
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 #577873, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Battleship Gray #6C757D ΔE 0.036
- Battleship Grey #6B7C85 ΔE 0.041
- Dim Gray #696969 ΔE 0.046
- Grey Blue #647D8E ΔE 0.046
- Metallic Blue #4F738E ΔE 0.050
- Steel Grey #6F828A ΔE 0.055
- Teal #008080 ΔE 0.055
- Bluegreen #017A79 ΔE 0.056
Use #577873 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.