#64E9FD
Closest named color: Robin's Egg (#6DEDFD). oklch(86.8% 0.118 208.8), rgb(100, 233, 253).
Aa
Black text reads best on this color (14.61:1).
About this color
#64E9FD is a light, moderately saturated teal or cyan. In OKLCH its lightness is 87%, its chroma 0.118 and its hue 209°. Its hue sits on the cool side of the wheel. The nearest named color is Robin's Egg (#6DEDFD), ΔE 0.013 away. Black text reads best on it, at 14.61:1.
| Hue family | Teals and cyans |
| Lightness | light (87%) |
| Chroma | moderately saturated (0.118) |
| Temperature | cool |
| Nearest name | Robin's Egg (#6DEDFD) |
| Black text | 14.61:1 |
| White text | 1.43:1 |
Values
| HEX | #64E9FD |
| RGB | rgb(100, 233, 253) |
| HSL | hsl(188, 97%, 69%) |
| OKLCH | oklch(86.8% 0.118 208.8) |
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 #64E9FD | 1.43:1 | Fails | Lc -23.5 | Dividers and decoration only |
| Black text on #64E9FD | 14.61:1 | AAA | Lc 83.1 | Fine for body text |
| #64E9FD text on white | 1.43:1 | Fails | Lc 20.6 | Dividers and decoration only |
| #64E9FD text on black | 14.61:1 | AAA | Lc -82.8 | 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 200.
-
Step 50
50
#E7FAFD
oklch(97.2% 0.02 208.1)
-
Step 100
100
#C9F3FA
oklch(93.7% 0.044 208.8)
-
Step 200
200 (this color)
#64E9FD
oklch(86.8% 0.118 208.8)
-
Step 300
300
#00D9F0
oklch(81% 0.139 208.3)
-
Step 400
400
#00B5C9
oklch(70.8% 0.122 208.7)
-
Step 500
500
#009BAC
oklch(63.1% 0.109 208.4)
-
Step 600
600
#008291
oklch(55.5% 0.096 208.9)
-
Step 700
700
#006D7A
oklch(49% 0.084 209.1)
-
Step 800
800
#005A64
oklch(42.8% 0.073 207.9)
-
Step 900
900
#004B54
oklch(37.8% 0.065 208.5)
-
Step 950
950
#002C32
oklch(26.8% 0.046 208.8)
#64E9FD 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) | #D6E1FE | 0.113 |
| Deuteranopia (no green cones) | #C0D0FD | 0.104 |
| Tritanopia (no blue cones) | #00F3EF | 0.049 |
| Achromatopsia (no color) | #D7D7D7 | 0.119 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64E9FD
#64E9FD
oklch(86.8% 0.118 208.8)
- #FFC3B9
#FFC3B9
oklch(86.8% 0.071 29.4)
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 #64E9FD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Robin's Egg #6DEDFD ΔE 0.013
- Robin Egg Blue #8AF1FE ΔE 0.039
- Bright Light Blue #26F7FD ΔE 0.042
- Robin's Egg Blue #98EFF9 ΔE 0.047
- Bright Cyan #41FDFE ΔE 0.054
- Cyan #00FFFF ΔE 0.062
- Bright Turquoise #0FFEF9 ΔE 0.062
- Bright Aqua #0BF9EA ΔE 0.064
Use #64E9FD 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.