#09556D
Closest named color: Deep Teal (#00555A). oklch(42% 0.077 226.2), rgb(9, 85, 109).
Aa
White text reads best on this color (8.29:1).
About this color
#09556D is a dark, moderately saturated teal or cyan. In OKLCH its lightness is 42%, its chroma 0.077 and its hue 226°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Teal (#00555A), ΔE 0.034 away. White text reads best on it, at 8.29:1.
| Hue family | Teals and cyans |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.077) |
| Temperature | cool |
| Nearest name | Deep Teal (#00555A) |
| Black text | 2.53:1 |
| White text | 8.29:1 |
Values
| HEX | #09556D |
| RGB | rgb(9, 85, 109) |
| HSL | hsl(194, 85%, 23%) |
| OKLCH | oklch(42% 0.077 226.2) |
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 #09556D | 8.29:1 | AAA | Lc -92.9 | Preferred for body text |
| Black text on #09556D | 2.53:1 | Fails | Lc 15.8 | Dividers and decoration only |
| #09556D text on white | 8.29:1 | AAA | Lc 88.2 | Fine for body text |
| #09556D text on black | 2.53:1 | Fails | Lc -13.9 | Not readable |
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
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E1ECF1
oklch(93.6% 0.014 226.6)
-
Step 200
200
#C9DDE6
oklch(88.5% 0.025 226.5)
-
Step 300
300
#A3C7D7
oklch(80.9% 0.045 226.7)
-
Step 400
400
#6EAAC3
oklch(70.6% 0.072 226.3)
-
Step 500
500
#4295B4
oklch(63.1% 0.092 225.7)
-
Step 600
600
#187FA0
oklch(55.7% 0.1 225.8)
-
Step 700
700
#046B89
oklch(49.2% 0.093 226)
-
Step 800
800 (this color)
#09556D
oklch(42% 0.077 226.2)
-
Step 900
900
#16485A
oklch(37.7% 0.06 225.9)
-
Step 950
950
#0F2A35
oklch(27% 0.038 227.5)
#09556D 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) | #48536E | 0.057 |
| Deuteranopia (no green cones) | #3B4A6D | 0.050 |
| Tritanopia (no blue cones) | #005C5D | 0.041 |
| Achromatopsia (no color) | #4E4E4E | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #09556D
#09556D
oklch(42% 0.077 226.2)
- #6F3E27
#6F3E27
oklch(41.9% 0.077 45.2)
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 #09556D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Teal #00555A ΔE 0.034
- Petrol #005F6A ΔE 0.034
- Deep Sea Blue #015482 ΔE 0.037
- Light Navy #155084 ΔE 0.046
- Dark Grey Blue #29465B ΔE 0.050
- Dark Slate Gray #2F4F4F ΔE 0.051
- YInMn Blue #415A77 ΔE 0.054
- Dark Teal #014D4E ΔE 0.054
Use #09556D 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.