#64DCF5
Closest named color: Sky Blue (#87CEEB). oklch(83.5% 0.112 213.5), rgb(100, 220, 245).
Aa
Black text reads best on this color (13.09:1).
About this color
#64DCF5 is a light, moderately saturated teal or cyan. In OKLCH its lightness is 84%, its chroma 0.112 and its hue 213°. Its hue sits on the cool side of the wheel. The nearest named color is Sky Blue (#87CEEB), ΔE 0.042 away. Black text reads best on it, at 13.09:1.
| Hue family | Teals and cyans |
| Lightness | light (84%) |
| Chroma | moderately saturated (0.112) |
| Temperature | cool |
| Nearest name | Sky Blue (#87CEEB) |
| Black text | 13.09:1 |
| White text | 1.60:1 |
Values
| HEX | #64DCF5 |
| RGB | rgb(100, 220, 245) |
| HSL | hsl(190, 88%, 68%) |
| OKLCH | oklch(83.5% 0.112 213.5) |
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 #64DCF5 | 1.60:1 | Fails | Lc -30.4 | Non-text elements, placeholder text |
| Black text on #64DCF5 | 13.09:1 | AAA | Lc 76.9 | Fine for body text |
| #64DCF5 text on white | 1.60:1 | Fails | Lc 26.9 | Dividers and decoration only |
| #64DCF5 text on black | 13.09:1 | AAA | Lc -76.1 | Fine for body text |
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
#EBF8FC
oklch(97.1% 0.015 218)
-
Step 100
100
#D2F0F7
oklch(93.6% 0.033 213.4)
-
Step 200
200
#AAE5F2
oklch(88.6% 0.062 212.8)
-
Step 300
300 (this color)
#64DCF5
oklch(83.5% 0.112 213.5)
-
Step 400
400
#00B4CF
oklch(70.8% 0.124 213.4)
-
Step 500
500
#009AB2
oklch(63.1% 0.111 213.9)
-
Step 600
600
#008296
oklch(55.7% 0.098 213.4)
-
Step 700
700
#006D7E
oklch(49.1% 0.086 213.3)
-
Step 800
800
#005968
oklch(42.7% 0.075 214.2)
-
Step 900
900
#004A57
oklch(37.6% 0.066 214.5)
-
Step 950
950
#002C34
oklch(26.9% 0.047 213.2)
#64DCF5 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) | #C9D5F6 | 0.102 |
| Deuteranopia (no green cones) | #B4C5F5 | 0.094 |
| Tritanopia (no blue cones) | #00E6E4 | 0.053 |
| Achromatopsia (no color) | #CCCCCC | 0.113 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64DCF5
#64DCF5
oklch(83.5% 0.112 213.5)
- #FFB3A2
#FFB3A2
oklch(83.4% 0.093 33.1)
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 #64DCF5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sky Blue #87CEEB ΔE 0.042
- Aqua Blue #02D8E9 ΔE 0.043
- Robin's Egg #6DEDFD ΔE 0.047
- Light Sky Blue #87CEFA ΔE 0.048
- Lightblue #7BC8F6 ΔE 0.056
- Sky #82CAFC ΔE 0.056
- Vivid Sky Blue #4CC9F0 ΔE 0.057
- Turquoise #40E0D0 ΔE 0.064
Use #64DCF5 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.