#17C2FC
Closest named color: Deep Sky Blue (#00BFFF). oklch(76.2% 0.147 229.2), rgb(23, 194, 252).
Aa
Black text reads best on this color (10.15:1).
About this color
#17C2FC is a medium-light, vivid teal or cyan. In OKLCH its lightness is 76%, its chroma 0.147 and its hue 229°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Sky Blue (#00BFFF), ΔE 0.011 away. Black text reads best on it, at 10.15:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (76%) |
| Chroma | vivid (0.147) |
| Temperature | cool |
| Nearest name | Deep Sky Blue (#00BFFF) |
| Black text | 10.15:1 |
| White text | 2.06:1 |
Values
| HEX | #17C2FC |
| RGB | rgb(23, 194, 252) |
| HSL | hsl(195, 97%, 54%) |
| OKLCH | oklch(76.2% 0.147 229.2) |
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 #17C2FC | 2.06:1 | Fails | Lc -44.3 | Non-text elements, placeholder text |
| Black text on #17C2FC | 10.15:1 | AAA | Lc 64.2 | Content text, not long reading |
| #17C2FC text on white | 2.06:1 | Fails | Lc 39.7 | Non-text elements, placeholder text |
| #17C2FC text on black | 10.15:1 | AAA | Lc -62.6 | Content text, not long reading |
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 300.
-
Step 50
50
#EAF8FF
oklch(97.1% 0.018 229)
-
Step 100
100
#D0F0FF
oklch(93.7% 0.039 227.7)
-
Step 200
200
#A8E3FF
oklch(88.5% 0.071 228.9)
-
Step 300
300 (this color)
#17C2FC
oklch(76.2% 0.147 229.2)
-
Step 400
400
#00B0E6
oklch(70.8% 0.14 229.2)
-
Step 500
500
#0096C5
oklch(63% 0.125 229.4)
-
Step 600
600
#007EA6
oklch(55.5% 0.11 229.3)
-
Step 700
700
#006A8C
oklch(49% 0.097 229.1)
-
Step 800
800
#005774
oklch(42.7% 0.085 229.4)
-
Step 900
900
#004861
oklch(37.6% 0.075 229.8)
-
Step 950
950
#002B3B
oklch(27% 0.053 228.8)
#17C2FC 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) | #A4BFFF | 0.103 |
| Deuteranopia (no green cones) | #88ACFB | 0.087 |
| Tritanopia (no blue cones) | #00D2D5 | 0.083 |
| Achromatopsia (no color) | #B4B4B4 | 0.148 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #17C2FC
#17C2FC
oklch(76.2% 0.147 229.2)
- #FC9356
#FC9356
oklch(76.3% 0.148 49.3)
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 #17C2FC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Sky Blue #00BFFF ΔE 0.011
- Bright Sky Blue #02CCFE ΔE 0.027
- Vivid Sky Blue #4CC9F0 ΔE 0.037
- Lightblue #7BC8F6 ΔE 0.062
- Sky #82CAFC ΔE 0.070
- Aqua Blue #02D8E9 ΔE 0.074
- Carolina Blue #8AB8FE ΔE 0.075
- Light Sky Blue #87CEFA ΔE 0.080
Use #17C2FC 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.