#0AC8DA
Closest named color: Dark Turquoise (#00CED1). oklch(76.1% 0.129 206.3), rgb(10, 200, 218).
Aa
Black text reads best on this color (10.28:1).
About this color
#0AC8DA is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 76%, its chroma 0.129 and its hue 206°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Turquoise (#00CED1), ΔE 0.025 away. Black text reads best on it, at 10.28:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (76%) |
| Chroma | moderately saturated (0.129) |
| Temperature | cool |
| Nearest name | Dark Turquoise (#00CED1) |
| Black text | 10.28:1 |
| White text | 2.04:1 |
Values
| HEX | #0AC8DA |
| RGB | rgb(10, 200, 218) |
| HSL | hsl(185, 91%, 45%) |
| OKLCH | oklch(76.1% 0.129 206.3) |
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 #0AC8DA | 2.04:1 | Fails | Lc -43.6 | Non-text elements, placeholder text |
| Black text on #0AC8DA | 10.28:1 | AAA | Lc 64.8 | Content text, not long reading |
| #0AC8DA text on white | 2.04:1 | Fails | Lc 39.1 | Non-text elements, placeholder text |
| #0AC8DA text on black | 10.28:1 | 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
#CEF2F6
oklch(93.7% 0.038 204.7)
-
Step 200
200
#A0E7F1
oklch(88.4% 0.072 207)
-
Step 300
300 (this color)
#0AC8DA
oklch(76.1% 0.129 206.3)
-
Step 400
400
#00B5C6
oklch(70.6% 0.121 206.7)
-
Step 500
500
#009BAA
oklch(63% 0.108 206.9)
-
Step 600
600
#00838F
oklch(55.7% 0.095 206.1)
-
Step 700
700
#006E78
oklch(49.1% 0.084 205.8)
-
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)
#0AC8DA 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) | #B5BFDB | 0.125 |
| Deuteranopia (no green cones) | #9DAEDA | 0.115 |
| Tritanopia (no blue cones) | #00D1CD | 0.036 |
| Achromatopsia (no color) | #B5B5B5 | 0.130 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0AC8DA
#0AC8DA
oklch(76.1% 0.129 206.3)
- #F98F85
#F98F85
oklch(76.1% 0.13 26.3)
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 #0AC8DA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Turquoise #00CED1 ΔE 0.025
- Vivid Sky Blue #4CC9F0 ΔE 0.042
- Medium Turquoise #48D1CC ΔE 0.043
- Aqua Blue #02D8E9 ΔE 0.045
- Bright Sky Blue #02CCFE ΔE 0.051
- Topaz #13BBAF ΔE 0.064
- Turquoise Blue #06B1C4 ΔE 0.066
- Deep Sky Blue #00BFFF ΔE 0.066
Use #0AC8DA 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.