#11A9D3
Closest named color: Turquoise Blue (#06B1C4). oklch(68.4% 0.126 224.3), rgb(17, 169, 211).
Aa
Black text reads best on this color (7.63:1).
About this color
#11A9D3 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 68%, its chroma 0.126 and its hue 224°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise Blue (#06B1C4), ΔE 0.037 away. Black text reads best on it, at 7.63:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (68%) |
| Chroma | moderately saturated (0.126) |
| Temperature | cool |
| Nearest name | Turquoise Blue (#06B1C4) |
| Black text | 7.63:1 |
| White text | 2.74:1 |
Values
| HEX | #11A9D3 |
| RGB | rgb(17, 169, 211) |
| HSL | hsl(193, 85%, 45%) |
| OKLCH | oklch(68.4% 0.126 224.3) |
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 #11A9D3 | 2.74:1 | Fails | Lc -57.8 | Large or bold text, headings |
| Black text on #11A9D3 | 7.63:1 | AAA | Lc 51.5 | Large or bold text, headings |
| #11A9D3 text on white | 2.74:1 | Fails | Lc 52.5 | Large or bold text, headings |
| #11A9D3 text on black | 7.63:1 | AAA | Lc -49.3 | 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
#DBEEF5
oklch(93.7% 0.022 221.8)
-
Step 200
200
#BBE0EF
oklch(88.5% 0.044 224.4)
-
Step 300
300
#87CCE7
oklch(80.9% 0.079 224.7)
-
Step 400
400 (this color)
#11A9D3
oklch(68.4% 0.126 224.3)
-
Step 500
500
#0098BF
oklch(63.2% 0.119 224.4)
-
Step 600
600
#0080A1
oklch(55.7% 0.105 224.1)
-
Step 700
700
#006B87
oklch(49% 0.092 224)
-
Step 800
800
#005870
oklch(42.8% 0.081 224.4)
-
Step 900
900
#00495D
oklch(37.7% 0.071 223.8)
-
Step 950
950
#002B39
oklch(26.9% 0.051 225.5)
#11A9D3 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) | #91A5D5 | 0.097 |
| Deuteranopia (no green cones) | #7A95D3 | 0.084 |
| Tritanopia (no blue cones) | #00B6B7 | 0.065 |
| Achromatopsia (no color) | #9C9C9C | 0.127 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #11A9D3
#11A9D3
oklch(68.4% 0.126 224.3)
- #D97E55
#D97E55
oklch(68.4% 0.126 44.4)
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 #11A9D3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise Blue #06B1C4 ΔE 0.037
- Greyblue #77A1B5 ΔE 0.072
- Light Sea Green #20B2AA ΔE 0.074
- Cadet Blue #5F9EA0 ΔE 0.078
- Deep Sky Blue #00BFFF ΔE 0.079
- Chefchaouen Blue #4895EF ΔE 0.080
- Dark Sky Blue #448EE4 ΔE 0.086
- Faded Blue #658CBB ΔE 0.086
Use #11A9D3 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.