#17A6DF
Closest named color: Turquoise Blue (#06B1C4). oklch(68.3% 0.136 232.8), rgb(23, 166, 223).
Aa
Black text reads best on this color (7.55:1).
About this color
#17A6DF is a medium-light, moderately saturated blue. In OKLCH its lightness is 68%, its chroma 0.136 and its hue 233°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise Blue (#06B1C4), ΔE 0.058 away. Black text reads best on it, at 7.55:1.
| Hue family | Blues |
| Lightness | medium-light (68%) |
| Chroma | moderately saturated (0.136) |
| Temperature | cool |
| Nearest name | Turquoise Blue (#06B1C4) |
| Black text | 7.55:1 |
| White text | 2.77:1 |
Values
| HEX | #17A6DF |
| RGB | rgb(23, 166, 223) |
| HSL | hsl(197, 81%, 48%) |
| OKLCH | oklch(68.3% 0.136 232.8) |
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 #17A6DF | 2.77:1 | Fails | Lc -58.3 | Large or bold text, headings |
| Black text on #17A6DF | 7.55:1 | AAA | Lc 51.0 | Large or bold text, headings |
| #17A6DF text on white | 2.77:1 | Fails | Lc 53.0 | Large or bold text, headings |
| #17A6DF text on black | 7.55:1 | AAA | Lc -48.8 | 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
#EEF7FC
oklch(97.1% 0.012 231.7)
-
Step 100
100
#DAEDF8
oklch(93.5% 0.025 233)
-
Step 200
200
#BBDFF4
oklch(88.4% 0.048 233.7)
-
Step 300
300
#87CBEF
oklch(81% 0.085 232.4)
-
Step 400
400 (this color)
#17A6DF
oklch(68.3% 0.136 232.8)
-
Step 500
500
#0095CB
oklch(63% 0.131 233.2)
-
Step 600
600
#007DAB
oklch(55.5% 0.115 233.2)
-
Step 700
700
#006990
oklch(49% 0.101 232.9)
-
Step 800
800
#005677
oklch(42.6% 0.088 233.1)
-
Step 900
900
#004864
oklch(37.8% 0.078 232.8)
-
Step 950
950
#002B3D
oklch(27.1% 0.055 231.9)
#17A6DF 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) | #89A5E2 | 0.086 |
| Deuteranopia (no green cones) | #7093DE | 0.073 |
| Tritanopia (no blue cones) | #00B5B9 | 0.081 |
| Achromatopsia (no color) | #9B9B9B | 0.137 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #17A6DF
#17A6DF
oklch(68.3% 0.136 232.8)
- #DA7F40
#DA7F40
oklch(68.4% 0.137 52.9)
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 #17A6DF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise Blue #06B1C4 ΔE 0.058
- Chefchaouen Blue #4895EF ΔE 0.060
- Dark Sky Blue #448EE4 ΔE 0.068
- Cornflower Blue #6495ED ΔE 0.069
- Deep Sky Blue #00BFFF ΔE 0.075
- Greyblue #77A1B5 ΔE 0.083
- Faded Blue #658CBB ΔE 0.084
- Dodger Blue #1E90FF ΔE 0.084
Use #17A6DF 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.