#597577
Closest named color: Battleship Gray (#6C757D). oklch(54.1% 0.033 201.7), rgb(89, 117, 119).
Aa
White text reads best on this color (4.95:1).
About this color
#597577 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 54%, its chroma 0.033 and its hue 202°. Its hue sits on the cool side of the wheel. The nearest named color is Battleship Gray (#6C757D), ΔE 0.029 away. White text reads best on it, at 4.95:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (54%) |
| Chroma | muted (0.033) |
| Temperature | cool |
| Nearest name | Battleship Gray (#6C757D) |
| Black text | 4.23:1 |
| White text | 4.95:1 |
Values
| HEX | #597577 |
| RGB | rgb(89, 117, 119) |
| HSL | hsl(184, 14%, 41%) |
| OKLCH | oklch(54.1% 0.033 201.7) |
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 #597577 | 4.95:1 | AA | Lc -79.7 | Fine for body text |
| Black text on #597577 | 4.23:1 | AA large text | Lc 29.8 | Dividers and decoration only |
| #597577 text on white | 4.95:1 | AA | Lc 74.3 | Content text, not long reading |
| #597577 text on black | 4.23:1 | AA large text | Lc -27.4 | 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
#E7EBEB
oklch(93.7% 0.004 197.1)
-
Step 200
200
#D3DBDB
oklch(88.5% 0.009 197)
-
Step 300
300
#B6C4C4
oklch(81% 0.015 196.9)
-
Step 400
400
#90A5A7
oklch(70.6% 0.024 203.6)
-
Step 500
500
#758F91
oklch(63.1% 0.03 202.2)
-
Step 600
600 (this color)
#597577
oklch(54.1% 0.033 201.7)
-
Step 700
700
#4D6668
oklch(49.1% 0.03 202.3)
-
Step 800
800
#3F5355
oklch(42.6% 0.025 203.9)
-
Step 900
900
#364546
oklch(37.8% 0.019 201.4)
-
Step 950
950
#202829
oklch(27% 0.011 205.8)
#597577 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) | #717277 | 0.034 |
| Deuteranopia (no green cones) | #6B6E77 | 0.031 |
| Tritanopia (no blue cones) | #4F7775 | 0.014 |
| Achromatopsia (no color) | #707070 | 0.033 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #597577
#597577
oklch(54.1% 0.033 201.7)
- #816867
#816867
oklch(54.1% 0.032 20.9)
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 #597577, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Battleship Gray #6C757D ΔE 0.029
- Battleship Grey #6B7C85 ΔE 0.038
- Dim Gray #696969 ΔE 0.038
- Metallic Blue #4F738E ΔE 0.040
- Grey Blue #647D8E ΔE 0.042
- Slate #516572 ΔE 0.050
- Steel Grey #6F828A ΔE 0.055
- Stormy Blue #507B9C ΔE 0.056
Use #597577 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.