#64BEF8
Closest named color: Lightblue (#7BC8F6). oklch(76.9% 0.12 239.2), rgb(100, 190, 248).
Aa
Black text reads best on this color (10.26:1).
About this color
#64BEF8 is a medium-light, moderately saturated blue. In OKLCH its lightness is 77%, its chroma 0.120 and its hue 239°. Its hue sits on the cool side of the wheel. The nearest named color is Lightblue (#7BC8F6), ΔE 0.037 away. Black text reads best on it, at 10.26:1.
| Hue family | Blues |
| Lightness | medium-light (77%) |
| Chroma | moderately saturated (0.120) |
| Temperature | cool |
| Nearest name | Lightblue (#7BC8F6) |
| Black text | 10.26:1 |
| White text | 2.04:1 |
Values
| HEX | #64BEF8 |
| RGB | rgb(100, 190, 248) |
| HSL | hsl(204, 91%, 68%) |
| OKLCH | oklch(76.9% 0.12 239.2) |
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 #64BEF8 | 2.04:1 | Fails | Lc -44.2 | Non-text elements, placeholder text |
| Black text on #64BEF8 | 10.26:1 | AAA | Lc 64.3 | Content text, not long reading |
| #64BEF8 text on white | 2.04:1 | Fails | Lc 39.6 | Non-text elements, placeholder text |
| #64BEF8 text on black | 10.26:1 | AAA | Lc -62.7 | 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
#EDF7FF
oklch(97.1% 0.015 241.8)
-
Step 100
100
#D6EEFF
oklch(93.7% 0.034 238.7)
-
Step 200
200
#B3E0FF
oklch(88.5% 0.064 238.5)
-
Step 300
300 (this color)
#64BEF8
oklch(76.9% 0.12 239.2)
-
Step 400
400
#00ABF8
oklch(70.6% 0.16 239.3)
-
Step 500
500
#0093D6
oklch(63.1% 0.143 239.3)
-
Step 600
600
#007BB4
oklch(55.5% 0.126 239.3)
-
Step 700
700
#006898
oklch(49.2% 0.11 238.7)
-
Step 800
800
#00557E
oklch(42.8% 0.097 239.2)
-
Step 900
900
#00476A
oklch(37.9% 0.085 239)
-
Step 950
950
#002A41
oklch(27.1% 0.061 239)
#64BEF8 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) | #A4BEFB | 0.067 |
| Deuteranopia (no green cones) | #8FAFF7 | 0.054 |
| Tritanopia (no blue cones) | #00CDD2 | 0.089 |
| Achromatopsia (no color) | #B5B5B5 | 0.120 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64BEF8
#64BEF8
oklch(76.9% 0.12 239.2)
- #ECA062
#ECA062
oklch(76.8% 0.12 58.9)
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 #64BEF8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Lightblue #7BC8F6 ΔE 0.037
- Vivid Sky Blue #4CC9F0 ΔE 0.038
- Deep Sky Blue #00BFFF ΔE 0.040
- Carolina Blue #8AB8FE ΔE 0.041
- Sky #82CAFC ΔE 0.045
- Bright Sky Blue #02CCFE ΔE 0.048
- Light Sky Blue #87CEFA ΔE 0.058
- Sky Blue #87CEEB ΔE 0.064
Use #64BEF8 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.