#64C2DF
Closest named color: Vivid Sky Blue (#4CC9F0). oklch(76.7% 0.098 220.5), rgb(100, 194, 223).
Aa
Black text reads best on this color (10.32:1).
About this color
#64C2DF is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 77%, its chroma 0.098 and its hue 221°. Its hue sits on the cool side of the wheel. The nearest named color is Vivid Sky Blue (#4CC9F0), ΔE 0.028 away. Black text reads best on it, at 10.32:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (77%) |
| Chroma | moderately saturated (0.098) |
| Temperature | cool |
| Nearest name | Vivid Sky Blue (#4CC9F0) |
| Black text | 10.32:1 |
| White text | 2.03:1 |
Values
| HEX | #64C2DF |
| RGB | rgb(100, 194, 223) |
| HSL | hsl(194, 66%, 63%) |
| OKLCH | oklch(76.7% 0.098 220.5) |
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 #64C2DF | 2.03:1 | Fails | Lc -43.9 | Non-text elements, placeholder text |
| Black text on #64C2DF | 10.32:1 | AAA | Lc 64.6 | Content text, not long reading |
| #64C2DF text on white | 2.03:1 | Fails | Lc 39.4 | Non-text elements, placeholder text |
| #64C2DF text on black | 10.32:1 | AAA | Lc -63.0 | 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
#ECF8FC
oklch(97.1% 0.014 219.6)
-
Step 100
100
#D6EFF7
oklch(93.6% 0.028 219)
-
Step 200
200
#B2E2F2
oklch(88.4% 0.054 220.2)
-
Step 300
300 (this color)
#64C2DF
oklch(76.7% 0.098 220.5)
-
Step 400
400
#00B2D8
oklch(70.7% 0.129 220.4)
-
Step 500
500
#0099BA
oklch(63.2% 0.115 220.3)
-
Step 600
600
#00809D
oklch(55.6% 0.102 221.1)
-
Step 700
700
#006C84
oklch(49.2% 0.09 220.2)
-
Step 800
800
#00586D
oklch(42.6% 0.078 221.3)
-
Step 900
900
#004A5B
oklch(37.8% 0.069 219.8)
-
Step 950
950
#002C37
oklch(27.1% 0.049 219.4)
#64C2DF 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) | #B0BEE1 | 0.081 |
| Deuteranopia (no green cones) | #9EB0DF | 0.073 |
| Tritanopia (no blue cones) | #00CCCB | 0.061 |
| Achromatopsia (no color) | #B6B6B6 | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64C2DF
#64C2DF
oklch(76.7% 0.098 220.5)
- #E99E83
#E99E83
oklch(76.7% 0.098 40.6)
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 #64C2DF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Vivid Sky Blue #4CC9F0 ΔE 0.028
- Lightblue #7BC8F6 ΔE 0.042
- Sky Blue #87CEEB ΔE 0.051
- Light Cornflower Blue #98C1D9 ΔE 0.051
- Bright Sky Blue #02CCFE ΔE 0.053
- Sky #82CAFC ΔE 0.055
- Light Grey Blue #9DBCD4 ΔE 0.057
- Dark Turquoise #00CED1 ΔE 0.058
Use #64C2DF 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.