#57756E
Closest named color: Battleship Gray (#6C757D). oklch(53.7% 0.036 178.9), rgb(87, 117, 110).
Aa
White text reads best on this color (5.03:1).
About this color
#57756E is a medium-dark, muted teal or cyan. In OKLCH its lightness is 54%, its chroma 0.036 and its hue 179°. 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 5.03:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (54%) |
| Chroma | muted (0.036) |
| Temperature | cool |
| Nearest name | Battleship Gray (#6C757D) |
| Black text | 4.17:1 |
| White text | 5.03:1 |
Values
| HEX | #57756E |
| RGB | rgb(87, 117, 110) |
| HSL | hsl(166, 15%, 40%) |
| OKLCH | oklch(53.7% 0.036 178.9) |
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 #57756E | 5.03:1 | AA | Lc -80.1 | Fine for body text |
| Black text on #57756E | 4.17:1 | AA large text | Lc 29.3 | Dividers and decoration only |
| #57756E text on white | 5.03:1 | AA | Lc 74.7 | Content text, not long reading |
| #57756E text on black | 4.17:1 | AA large text | Lc -27.0 | 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
#E7EBEA
oklch(93.7% 0.004 179.7)
-
Step 200
200
#D3DBD9
oklch(88.5% 0.009 179.6)
-
Step 300
300
#B6C4C1
oklch(80.9% 0.016 181.7)
-
Step 400
400
#90A6A1
oklch(70.7% 0.026 180.3)
-
Step 500
500
#74908A
oklch(63% 0.033 180.7)
-
Step 600
600 (this color)
#57756E
oklch(53.7% 0.036 178.9)
-
Step 700
700
#4C6761
oklch(49% 0.033 179.6)
-
Step 800
800
#3E544F
oklch(42.6% 0.028 179.4)
-
Step 900
900
#354642
oklch(37.8% 0.023 179)
-
Step 950
950
#1F2926
oklch(27% 0.015 174.9)
#57756E 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) | #72716E | 0.038 |
| Deuteranopia (no green cones) | #6D6D6F | 0.037 |
| Tritanopia (no blue cones) | #4F7673 | 0.011 |
| Achromatopsia (no color) | #6F6F6F | 0.037 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57756E
#57756E
oklch(53.7% 0.036 178.9)
- #80656D
#80656D
oklch(53.6% 0.036 358.8)
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 #57756E, 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 0.040
- Battleship Grey #6B7C85 ΔE 0.048
- Slate #516572 ΔE 0.053
- Metallic Blue #4F738E ΔE 0.053
- Grey Blue #647D8E ΔE 0.054
- Bluegreen #017A79 ΔE 0.056
- Deep Aqua #08787F ΔE 0.058
Use #57756E 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.