#57766B
Closest named color: Battleship Gray (#6C757D). oklch(53.8% 0.04 170.9), rgb(87, 118, 107).
Aa
White text reads best on this color (4.98:1).
About this color
#57766B is a medium-dark, muted teal or cyan. In OKLCH its lightness is 54%, its chroma 0.040 and its hue 171°. Its hue sits on the cool side of the wheel. The nearest named color is Battleship Gray (#6C757D), ΔE 0.043 away. White text reads best on it, at 4.98:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (54%) |
| Chroma | muted (0.040) |
| Temperature | cool |
| Nearest name | Battleship Gray (#6C757D) |
| Black text | 4.20:1 |
| White text | 4.98:1 |
Values
| HEX | #57766B |
| RGB | rgb(87, 118, 107) |
| HSL | hsl(159, 15%, 40%) |
| OKLCH | oklch(53.8% 0.04 170.9) |
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 #57766B | 4.98:1 | AA | Lc -79.9 | Fine for body text |
| Black text on #57766B | 4.20:1 | AA large text | Lc 29.6 | Dividers and decoration only |
| #57766B text on white | 4.98:1 | AA | Lc 74.5 | Content text, not long reading |
| #57766B text on black | 4.20:1 | 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
#E7EBE9
oklch(93.6% 0.005 165)
-
Step 200
200
#D3DBD8
oklch(88.4% 0.01 171.8)
-
Step 300
300
#B6C5BF
oklch(81% 0.018 170)
-
Step 400
400
#90A79E
oklch(70.8% 0.029 169.9)
-
Step 500
500
#749186
oklch(63.1% 0.037 170)
-
Step 600
600 (this color)
#57766B
oklch(53.8% 0.04 170.9)
-
Step 700
700
#4C685E
oklch(49.2% 0.037 170.8)
-
Step 800
800
#3E554D
oklch(42.8% 0.031 171.4)
-
Step 900
900
#354640
oklch(37.7% 0.024 171.4)
-
Step 950
950
#1F2925
oklch(27% 0.016 168.8)
#57766B 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) | #74726B | 0.041 |
| Deuteranopia (no green cones) | #6E6E6C | 0.038 |
| Tritanopia (no blue cones) | #507773 | 0.013 |
| Achromatopsia (no color) | #6F6F6F | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57766B
#57766B
oklch(53.8% 0.04 170.9)
- #816571
#816571
oklch(53.8% 0.04 351)
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 #57766B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Battleship Gray #6C757D ΔE 0.043
- Dim Gray #696969 ΔE 0.043
- Battleship Grey #6B7C85 ΔE 0.051
- Bluegreen #017A79 ΔE 0.057
- Grey Blue #647D8E ΔE 0.058
- Slate #516572 ΔE 0.058
- Teal #008080 ΔE 0.059
- Metallic Blue #4F738E ΔE 0.059
Use #57766B 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.