#09C8DB
Closest named color: Dark Turquoise (#00CED1). oklch(76.1% 0.13 207), rgb(9, 200, 219).
Aa
Black text reads best on this color (10.29:1).
About this color
#09C8DB is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 76%, its chroma 0.130 and its hue 207°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Turquoise (#00CED1), ΔE 0.026 away. Black text reads best on it, at 10.29:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (76%) |
| Chroma | moderately saturated (0.130) |
| Temperature | cool |
| Nearest name | Dark Turquoise (#00CED1) |
| Black text | 10.29:1 |
| White text | 2.03:1 |
Values
| HEX | #09C8DB |
| RGB | rgb(9, 200, 219) |
| HSL | hsl(185, 92%, 45%) |
| OKLCH | oklch(76.1% 0.13 207) |
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 #09C8DB | 2.03:1 | Fails | Lc -43.5 | Non-text elements, placeholder text |
| Black text on #09C8DB | 10.29:1 | AAA | Lc 64.9 | Content text, not long reading |
| #09C8DB text on white | 2.03:1 | Fails | Lc 39.0 | Non-text elements, placeholder text |
| #09C8DB text on black | 10.29:1 | AAA | Lc -63.3 | Content text, not long reading |
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 300.
-
Step 50
50
#E9F9FB
oklch(97.1% 0.017 205.8)
-
Step 100
100
#CEF2F7
oklch(93.7% 0.038 206.8)
-
Step 200
200
#A0E7F1
oklch(88.4% 0.072 207)
-
Step 300
300 (this color)
#09C8DB
oklch(76.1% 0.13 207)
-
Step 400
400
#00B5C7
oklch(70.7% 0.121 207.4)
-
Step 500
500
#009BAA
oklch(63% 0.108 206.9)
-
Step 600
600
#00838F
oklch(55.7% 0.095 206.1)
-
Step 700
700
#006E79
oklch(49.2% 0.084 206.9)
-
Step 800
800
#005A63
oklch(42.7% 0.073 206.6)
-
Step 900
900
#004B53
oklch(37.7% 0.065 207)
-
Step 950
950
#002D32
oklch(27.1% 0.046 206.3)
#09C8DB 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) | #B5C0DC | 0.125 |
| Deuteranopia (no green cones) | #9DAEDB | 0.115 |
| Tritanopia (no blue cones) | #00D2CE | 0.039 |
| Achromatopsia (no color) | #B5B5B5 | 0.130 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #09C8DB
#09C8DB
oklch(76.1% 0.13 207)
- #F99084
#F99084
oklch(76.2% 0.129 27.4)
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 #09C8DB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Turquoise #00CED1 ΔE 0.026
- Vivid Sky Blue #4CC9F0 ΔE 0.041
- Medium Turquoise #48D1CC ΔE 0.044
- Aqua Blue #02D8E9 ΔE 0.044
- Bright Sky Blue #02CCFE ΔE 0.050
- Deep Sky Blue #00BFFF ΔE 0.065
- Topaz #13BBAF ΔE 0.065
- Turquoise Blue #06B1C4 ΔE 0.066
Use #09C8DB 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.