#09596B
Closest named color: Petrol (#005F6A). oklch(42.9% 0.075 218.5), rgb(9, 89, 107).
Aa
White text reads best on this color (7.91:1).
About this color
#09596B is a dark, moderately saturated teal or cyan. In OKLCH its lightness is 43%, its chroma 0.075 and its hue 219°. Its hue sits on the cool side of the wheel. The nearest named color is Petrol (#005F6A), ΔE 0.020 away. White text reads best on it, at 7.91:1.
| Hue family | Teals and cyans |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.075) |
| Temperature | cool |
| Nearest name | Petrol (#005F6A) |
| Black text | 2.65:1 |
| White text | 7.91:1 |
Values
| HEX | #09596B |
| RGB | rgb(9, 89, 107) |
| HSL | hsl(191, 84%, 23%) |
| OKLCH | oklch(42.9% 0.075 218.5) |
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 #09596B | 7.91:1 | AAA | Lc -91.8 | Preferred for body text |
| Black text on #09596B | 2.65:1 | Fails | Lc 17.0 | Dividers and decoration only |
| #09596B text on white | 7.91:1 | AAA | Lc 87.0 | Fine for body text |
| #09596B text on black | 2.65:1 | Fails | Lc -15.1 | 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 800.
-
Step 50
50
#F1F6F8
oklch(97% 0.006 223.5)
-
Step 100
100
#E1ECEF
oklch(93.6% 0.012 215.8)
-
Step 200
200
#C8DDE4
oklch(88.4% 0.024 219.7)
-
Step 300
300
#A2C8D4
oklch(80.9% 0.044 219)
-
Step 400
400
#6DABBE
oklch(70.6% 0.07 219.3)
-
Step 500
500
#4096AE
oklch(63.1% 0.089 219.2)
-
Step 600
600
#118099
oklch(55.5% 0.097 218.6)
-
Step 700
700
#006C82
oklch(49.1% 0.088 218.4)
-
Step 800
800 (this color)
#09596B
oklch(42.9% 0.075 218.5)
-
Step 900
900
#144956
oklch(37.7% 0.058 217.6)
-
Step 950
950
#0E2B32
oklch(27.1% 0.037 216.1)
#09596B 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) | #4E566C | 0.064 |
| Deuteranopia (no green cones) | #414D6B | 0.057 |
| Tritanopia (no blue cones) | #005F5F | 0.032 |
| Achromatopsia (no color) | #515151 | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #09596B
#09596B
oklch(42.9% 0.075 218.5)
- #724030
#724030
oklch(42.8% 0.075 38.5)
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 #09596B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Petrol #005F6A ΔE 0.020
- Deep Teal #00555A ΔE 0.030
- Deep Sea Blue #015482 ΔE 0.046
- Dark Slate Gray #2F4F4F ΔE 0.050
- YInMn Blue #415A77 ΔE 0.052
- Dark Aqua #05696B ΔE 0.052
- Dark Green Blue #1F6357 ΔE 0.055
- Dark Teal #014D4E ΔE 0.056
Use #09596B 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.