#597D7B
Closest named color: Battleship Grey (#6B7C85). oklch(56.2% 0.041 191.7), rgb(89, 125, 123).
Aa
Black text reads best on this color (4.64:1).
About this color
#597D7B is a medium-dark, muted teal or cyan. In OKLCH its lightness is 56%, its chroma 0.041 and its hue 192°. Its hue sits on the cool side of the wheel. The nearest named color is Battleship Grey (#6B7C85), ΔE 0.030 away. Black text reads best on it, at 4.64:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (56%) |
| Chroma | muted (0.041) |
| Temperature | cool |
| Nearest name | Battleship Grey (#6B7C85) |
| Black text | 4.64:1 |
| White text | 4.52:1 |
Values
| HEX | #597D7B |
| RGB | rgb(89, 125, 123) |
| HSL | hsl(177, 17%, 42%) |
| OKLCH | oklch(56.2% 0.041 191.7) |
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 #597D7B | 4.52:1 | AA | Lc -76.8 | Fine for body text |
| Black text on #597D7B | 4.64:1 | AA | Lc 32.7 | Non-text elements, placeholder text |
| #597D7B text on white | 4.52:1 | AA | Lc 71.4 | Content text, not long reading |
| #597D7B text on black | 4.64:1 | AA | Lc -30.3 | Non-text elements, placeholder text |
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
#E6EBEB
oklch(93.6% 0.005 197.1)
-
Step 200
200
#D2DBDB
oklch(88.5% 0.01 197)
-
Step 300
300
#B4C5C3
oklch(81% 0.019 188.3)
-
Step 400
400
#8CA7A5
oklch(70.7% 0.03 191)
-
Step 500
500
#70918F
oklch(63.1% 0.037 191.6)
-
Step 600
600 (this color)
#597D7B
oklch(56.2% 0.041 191.7)
-
Step 700
700
#476866
oklch(49.1% 0.038 191.2)
-
Step 800
800
#3B5553
oklch(42.8% 0.032 190.1)
-
Step 900
900
#334645
oklch(37.8% 0.024 192.1)
-
Step 950
950
#1E2928
oklch(27% 0.015 189.4)
#597D7B 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) | #79797B | 0.044 |
| Deuteranopia (no green cones) | #72747B | 0.041 |
| Tritanopia (no blue cones) | #4D7F7C | 0.014 |
| Achromatopsia (no color) | #767676 | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #597D7B
#597D7B
oklch(56.2% 0.041 191.7)
- #8B6C6F
#8B6C6F
oklch(56.3% 0.04 11.9)
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 #597D7B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Battleship Grey #6B7C85 ΔE 0.030
- Battleship Gray #6C757D ΔE 0.034
- Grey Blue #647D8E ΔE 0.035
- Steel Grey #6F828A ΔE 0.040
- Slate Gray #708090 ΔE 0.046
- Medium Grey #7D7F7C ΔE 0.050
- Metallic Blue #4F738E ΔE 0.051
- Dusty Teal #4C9085 ΔE 0.054
Use #597D7B 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.