#00A9D9
Closest named color: Turquoise Blue (#06B1C4). oklch(68.5% 0.132 227.1), rgb(0, 169, 217).
Aa
Black text reads best on this color (7.67:1).
About this color
#00A9D9 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 69%, its chroma 0.132 and its hue 227°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise Blue (#06B1C4), ΔE 0.044 away. Black text reads best on it, at 7.67:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (69%) |
| Chroma | moderately saturated (0.132) |
| Temperature | cool |
| Nearest name | Turquoise Blue (#06B1C4) |
| Black text | 7.67:1 |
| White text | 2.73:1 |
Values
| HEX | #00A9D9 |
| RGB | rgb(0, 169, 217) |
| HSL | hsl(193, 100%, 43%) |
| OKLCH | oklch(68.5% 0.132 227.1) |
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 #00A9D9 | 2.73:1 | Fails | Lc -57.4 | Large or bold text, headings |
| Black text on #00A9D9 | 7.67:1 | AAA | Lc 51.8 | Large or bold text, headings |
| #00A9D9 text on white | 2.73:1 | Fails | Lc 52.2 | Large or bold text, headings |
| #00A9D9 text on black | 7.67:1 | AAA | Lc -49.6 | Large or bold text, headings |
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 400.
-
Step 50
50
#EEF7FB
oklch(97.1% 0.011 226)
-
Step 100
100
#DAEEF6
oklch(93.7% 0.024 223.7)
-
Step 200
200
#BAE0F1
oklch(88.5% 0.046 226.8)
-
Step 300
300
#85CCEA
oklch(80.9% 0.083 226.6)
-
Step 400
400 (this color)
#00A9D9
oklch(68.5% 0.132 227.1)
-
Step 500
500
#0097C2
oklch(63.1% 0.122 226.9)
-
Step 600
600
#007FA4
oklch(55.6% 0.108 227.1)
-
Step 700
700
#006B8A
oklch(49.2% 0.095 226.5)
-
Step 800
800
#005772
oklch(42.6% 0.083 227.6)
-
Step 900
900
#00495F
oklch(37.8% 0.072 226.2)
-
Step 950
950
#002B3A
oklch(27% 0.052 227.2)
#00A9D9 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) | #8FA6DB | 0.096 |
| Deuteranopia (no green cones) | #7795D8 | 0.083 |
| Tritanopia (no blue cones) | #00B7B9 | 0.072 |
| Achromatopsia (no color) | #9C9C9C | 0.133 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #00A9D9
#00A9D9
oklch(68.5% 0.132 227.1)
- #DB7E4D
#DB7E4D
oklch(68.5% 0.132 47.3)
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 #00A9D9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise Blue #06B1C4 ΔE 0.044
- Chefchaouen Blue #4895EF ΔE 0.074
- Deep Sky Blue #00BFFF ΔE 0.074
- Greyblue #77A1B5 ΔE 0.078
- Dark Sky Blue #448EE4 ΔE 0.081
- Cornflower Blue #6495ED ΔE 0.082
- Light Sea Green #20B2AA ΔE 0.083
- Cadet Blue #5F9EA0 ΔE 0.086
Use #00A9D9 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.