#17A2CD
Closest named color: Turquoise Blue (#06B1C4). oklch(66.5% 0.123 226.2), rgb(23, 162, 205).
Aa
Black text reads best on this color (7.08:1).
About this color
#17A2CD is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 66%, its chroma 0.123 and its hue 226°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise Blue (#06B1C4), ΔE 0.049 away. Black text reads best on it, at 7.08:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.123) |
| Temperature | cool |
| Nearest name | Turquoise Blue (#06B1C4) |
| Black text | 7.08:1 |
| White text | 2.96:1 |
Values
| HEX | #17A2CD |
| RGB | rgb(23, 162, 205) |
| HSL | hsl(194, 80%, 45%) |
| OKLCH | oklch(66.5% 0.123 226.2) |
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 #17A2CD | 2.96:1 | Fails | Lc -61.0 | Content text, not long reading |
| Black text on #17A2CD | 7.08:1 | AAA | Lc 48.4 | Large or bold text, headings |
| #17A2CD text on white | 2.96:1 | Fails | Lc 55.7 | Large or bold text, headings |
| #17A2CD text on black | 7.08:1 | AAA | Lc -46.1 | 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
#DEEDF3
oklch(93.7% 0.018 223.6)
-
Step 200
200
#C3DEEA
oklch(88.4% 0.033 226.4)
-
Step 300
300
#97C9DF
oklch(80.8% 0.061 226.8)
-
Step 400
400
#57ADCF
oklch(70.8% 0.096 226.5)
-
Step 500
500 (this color)
#17A2CD
oklch(66.5% 0.123 226.2)
-
Step 600
600
#007FA3
oklch(55.6% 0.107 226.4)
-
Step 700
700
#006B89
oklch(49.1% 0.094 225.7)
-
Step 800
800
#005771
oklch(42.6% 0.082 226.6)
-
Step 900
900
#00495F
oklch(37.8% 0.072 226.2)
-
Step 950
950
#012B39
oklch(26.9% 0.051 225.9)
#17A2CD 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) | #8B9FCF | 0.092 |
| Deuteranopia (no green cones) | #748FCC | 0.079 |
| Tritanopia (no blue cones) | #00AEB0 | 0.064 |
| Achromatopsia (no color) | #969696 | 0.123 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #17A2CD
#17A2CD
oklch(66.5% 0.123 226.2)
- #D17A4F
#D17A4F
oklch(66.6% 0.123 46.2)
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 #17A2CD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise Blue #06B1C4 ΔE 0.049
- Faded Blue #658CBB ΔE 0.071
- Greyblue #77A1B5 ΔE 0.072
- Cadet Blue #5F9EA0 ΔE 0.073
- Blue NCS #118AB2 ΔE 0.073
- Chefchaouen Blue #4895EF ΔE 0.074
- Dark Sky Blue #448EE4 ΔE 0.074
- Water Blue #0E87CC ΔE 0.078
Use #17A2CD 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.