#17A2D2
Closest named color: Turquoise Blue (#06B1C4). oklch(66.7% 0.127 229), rgb(23, 162, 210).
Aa
Black text reads best on this color (7.13:1).
About this color
#17A2D2 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 67%, its chroma 0.127 and its hue 229°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise Blue (#06B1C4), ΔE 0.053 away. Black text reads best on it, at 7.13:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.127) |
| Temperature | cool |
| Nearest name | Turquoise Blue (#06B1C4) |
| Black text | 7.13:1 |
| White text | 2.94:1 |
Values
| HEX | #17A2D2 |
| RGB | rgb(23, 162, 210) |
| HSL | hsl(195, 80%, 46%) |
| OKLCH | oklch(66.7% 0.127 229) |
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 #17A2D2 | 2.94:1 | Fails | Lc -60.7 | Content text, not long reading |
| Black text on #17A2D2 | 7.13:1 | AAA | Lc 48.7 | Large or bold text, headings |
| #17A2D2 text on white | 2.94:1 | Fails | Lc 55.4 | Large or bold text, headings |
| #17A2D2 text on black | 7.13:1 | AAA | Lc -46.4 | 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 500.
-
Step 50
50
#F0F7FA
oklch(97.2% 0.008 225.1)
-
Step 100
100
#DEECF4
oklch(93.5% 0.018 232.5)
-
Step 200
200
#C3DEEC
oklch(88.5% 0.035 230.3)
-
Step 300
300
#97C9E1
oklch(80.9% 0.062 229.1)
-
Step 400
400
#56ACD2
oklch(70.6% 0.1 229.3)
-
Step 500
500 (this color)
#17A2D2
oklch(66.7% 0.127 229)
-
Step 600
600
#007EA6
oklch(55.5% 0.11 229.3)
-
Step 700
700
#006A8C
oklch(49% 0.097 229.1)
-
Step 800
800
#005773
oklch(42.7% 0.084 228.5)
-
Step 900
900
#004861
oklch(37.6% 0.075 229.8)
-
Step 950
950
#012B3B
oklch(27.1% 0.053 229.3)
#17A2D2 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) | #899FD4 | 0.089 |
| Deuteranopia (no green cones) | #728FD1 | 0.077 |
| Tritanopia (no blue cones) | #00AFB2 | 0.070 |
| Achromatopsia (no color) | #969696 | 0.127 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #17A2D2
#17A2D2
oklch(66.7% 0.127 229)
- #D27A49
#D27A49
oklch(66.6% 0.127 48.5)
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 #17A2D2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise Blue #06B1C4 ΔE 0.053
- Chefchaouen Blue #4895EF ΔE 0.067
- Dark Sky Blue #448EE4 ΔE 0.069
- Faded Blue #658CBB ΔE 0.072
- Greyblue #77A1B5 ΔE 0.075
- Blue NCS #118AB2 ΔE 0.076
- Cornflower Blue #6495ED ΔE 0.076
- Water Blue #0E87CC ΔE 0.077
Use #17A2D2 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.