#17A2CA
Closest named color: Turquoise Blue (#06B1C4). oklch(66.3% 0.121 224.4), rgb(23, 162, 202).
Aa
Black text reads best on this color (7.05:1).
About this color
#17A2CA is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 66%, its chroma 0.121 and its hue 224°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise Blue (#06B1C4), ΔE 0.047 away. Black text reads best on it, at 7.05:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.121) |
| Temperature | cool |
| Nearest name | Turquoise Blue (#06B1C4) |
| Black text | 7.05:1 |
| White text | 2.97:1 |
Values
| HEX | #17A2CA |
| RGB | rgb(23, 162, 202) |
| HSL | hsl(193, 80%, 44%) |
| OKLCH | oklch(66.3% 0.121 224.4) |
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 #17A2CA | 2.97:1 | Fails | Lc -61.2 | Content text, not long reading |
| Black text on #17A2CA | 7.05:1 | AAA | Lc 48.2 | Large or bold text, headings |
| #17A2CA text on white | 2.97:1 | Fails | Lc 55.8 | Large or bold text, headings |
| #17A2CA text on black | 7.05:1 | AAA | Lc -46.0 | 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
#F0F7F9
oklch(97.1% 0.008 216.6)
-
Step 100
100
#DEEDF2
oklch(93.6% 0.017 219.7)
-
Step 200
200
#C3DEEA
oklch(88.4% 0.033 226.4)
-
Step 300
300
#97C9DD
oklch(80.8% 0.059 224.5)
-
Step 400
400
#57ADCD
oklch(70.7% 0.095 225)
-
Step 500
500 (this color)
#17A2CA
oklch(66.3% 0.121 224.4)
-
Step 600
600
#007FA1
oklch(55.5% 0.105 225)
-
Step 700
700
#006B88
oklch(49.1% 0.093 224.9)
-
Step 800
800
#005870
oklch(42.8% 0.081 224.4)
-
Step 900
900
#00495E
oklch(37.7% 0.071 225)
-
Step 950
950
#012B38
oklch(26.9% 0.05 224.1)
#17A2CA 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) | #8C9ECC | 0.094 |
| Deuteranopia (no green cones) | #758FCA | 0.080 |
| Tritanopia (no blue cones) | #00AEAF | 0.062 |
| Achromatopsia (no color) | #969696 | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #17A2CA
#17A2CA
oklch(66.3% 0.121 224.4)
- #D07952
#D07952
oklch(66.3% 0.121 44.3)
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 #17A2CA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise Blue #06B1C4 ΔE 0.047
- Cadet Blue #5F9EA0 ΔE 0.069
- Greyblue #77A1B5 ΔE 0.071
- Faded Blue #658CBB ΔE 0.071
- Blue NCS #118AB2 ΔE 0.072
- Light Sea Green #20B2AA ΔE 0.077
- Dark Sky Blue #448EE4 ΔE 0.078
- Chefchaouen Blue #4895EF ΔE 0.078
Use #17A2CA 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.