#537D71
Closest named color: Battleship Grey (#6B7C85). oklch(55.5% 0.05 174.6), rgb(83, 125, 113).
Aa
White text reads best on this color (4.62:1).
About this color
#537D71 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 56%, its chroma 0.050 and its hue 175°. Its hue sits on the cool side of the wheel. The nearest named color is Battleship Grey (#6B7C85), ΔE 0.047 away. White text reads best on it, at 4.62:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (56%) |
| Chroma | muted (0.050) |
| Temperature | cool |
| Nearest name | Battleship Grey (#6B7C85) |
| Black text | 4.53:1 |
| White text | 4.62:1 |
Values
| HEX | #537D71 |
| RGB | rgb(83, 125, 113) |
| HSL | hsl(163, 20%, 41%) |
| OKLCH | oklch(55.5% 0.05 174.6) |
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 #537D71 | 4.62:1 | AA | Lc -77.5 | Fine for body text |
| Black text on #537D71 | 4.53:1 | AA | Lc 32.0 | Non-text elements, placeholder text |
| #537D71 text on white | 4.62:1 | AA | Lc 72.1 | Content text, not long reading |
| #537D71 text on black | 4.53:1 | AA | Lc -29.6 | 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
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E6EBE9
oklch(93.6% 0.006 170.4)
-
Step 200
200
#D1DCD8
oklch(88.5% 0.013 172.3)
-
Step 300
300
#B2C6BF
oklch(80.9% 0.024 172.7)
-
Step 400
400
#8AA89F
oklch(70.6% 0.036 175.1)
-
Step 500
500
#6C9388
oklch(63.1% 0.046 175.5)
-
Step 600
600 (this color)
#537D71
oklch(55.5% 0.05 174.6)
-
Step 700
700
#436A5F
oklch(49.2% 0.048 174.5)
-
Step 800
800
#38564D
oklch(42.7% 0.039 173.6)
-
Step 900
900
#304740
oklch(37.6% 0.031 173.7)
-
Step 950
950
#1D2A26
oklch(27.2% 0.019 173.9)
#537D71 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) | #7A7870 | 0.052 |
| Deuteranopia (no green cones) | #737372 | 0.050 |
| Tritanopia (no blue cones) | #477E79 | 0.016 |
| Achromatopsia (no color) | #757575 | 0.051 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #537D71
#537D71
oklch(55.5% 0.05 174.6)
- #8B6775
#8B6775
oklch(55.5% 0.05 353.7)
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 #537D71, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Battleship Grey #6B7C85 ΔE 0.047
- Battleship Gray #6C757D ΔE 0.048
- Teal #008080 ΔE 0.050
- Grey Blue #647D8E ΔE 0.053
- Dark Sage #598556 ΔE 0.053
- Bluegreen #017A79 ΔE 0.054
- Dusty Teal #4C9085 ΔE 0.055
- Steel Grey #6F828A ΔE 0.056
Use #537D71 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.