#597A77
Closest named color: Battleship Gray (#6C757D). oklch(55.3% 0.038 189.1), rgb(89, 122, 119).
Aa
White text reads best on this color (4.69:1).
About this color
#597A77 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 55%, its chroma 0.038 and its hue 189°. Its hue sits on the cool side of the wheel. The nearest named color is Battleship Gray (#6C757D), ΔE 0.032 away. White text reads best on it, at 4.69:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (55%) |
| Chroma | muted (0.038) |
| Temperature | cool |
| Nearest name | Battleship Gray (#6C757D) |
| Black text | 4.47:1 |
| White text | 4.69:1 |
Values
| HEX | #597A77 |
| RGB | rgb(89, 122, 119) |
| HSL | hsl(175, 16%, 41%) |
| OKLCH | oklch(55.3% 0.038 189.1) |
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 #597A77 | 4.69:1 | AA | Lc -78.0 | Fine for body text |
| Black text on #597A77 | 4.47:1 | AA large text | Lc 31.5 | Non-text elements, placeholder text |
| #597A77 text on white | 4.69:1 | AA | Lc 72.6 | Content text, not long reading |
| #597A77 text on black | 4.47:1 | AA large text | Lc -29.1 | 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
#F4F6F6
oklch(97.2% 0.002 197.1)
-
Step 100
100
#E6EBEA
oklch(93.6% 0.006 183)
-
Step 200
200
#D2DBDA
oklch(88.4% 0.01 189)
-
Step 300
300
#B5C4C3
oklch(80.9% 0.017 192)
-
Step 400
400
#8EA6A4
oklch(70.6% 0.027 190.4)
-
Step 500
500
#72918E
oklch(63.2% 0.035 189)
-
Step 600
600 (this color)
#597A77
oklch(55.3% 0.038 189.1)
-
Step 700
700
#496765
oklch(49% 0.035 190.9)
-
Step 800
800
#3D5452
oklch(42.6% 0.028 189.5)
-
Step 900
900
#344644
oklch(37.8% 0.023 187.8)
-
Step 950
950
#1F2928
oklch(27.1% 0.014 188.9)
#597A77 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) | #767677 | 0.040 |
| Deuteranopia (no green cones) | #707277 | 0.037 |
| Tritanopia (no blue cones) | #4F7C79 | 0.012 |
| Achromatopsia (no color) | #747474 | 0.038 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #597A77
#597A77
oklch(55.3% 0.038 189.1)
- #876A6E
#876A6E
oklch(55.4% 0.037 9.1)
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 #597A77, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Battleship Gray #6C757D ΔE 0.032
- Battleship Grey #6B7C85 ΔE 0.034
- Grey Blue #647D8E ΔE 0.039
- Steel Grey #6F828A ΔE 0.047
- Metallic Blue #4F738E ΔE 0.049
- Dim Gray #696969 ΔE 0.050
- Slate Gray #708090 ΔE 0.052
- Medium Grey #7D7F7C ΔE 0.054
Use #597A77 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.