#64BFFE
Closest named color: Lightblue (#7BC8F6). oklch(77.4% 0.126 241.2), rgb(100, 191, 254).
Aa
Black text reads best on this color (10.42:1).
About this color
#64BFFE is a medium-light, moderately saturated blue. In OKLCH its lightness is 77%, its chroma 0.126 and its hue 241°. Its hue sits on the cool side of the wheel. The nearest named color is Lightblue (#7BC8F6), ΔE 0.038 away. Black text reads best on it, at 10.42:1.
| Hue family | Blues |
| Lightness | medium-light (77%) |
| Chroma | moderately saturated (0.126) |
| Temperature | cool |
| Nearest name | Lightblue (#7BC8F6) |
| Black text | 10.42:1 |
| White text | 2.01:1 |
Values
| HEX | #64BFFE |
| RGB | rgb(100, 191, 254) |
| HSL | hsl(205, 99%, 69%) |
| OKLCH | oklch(77.4% 0.126 241.2) |
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 #64BFFE | 2.01:1 | Fails | Lc -43.3 | Non-text elements, placeholder text |
| Black text on #64BFFE | 10.42:1 | AAA | Lc 65.1 | Content text, not long reading |
| #64BFFE text on white | 2.01:1 | Fails | Lc 38.9 | Non-text elements, placeholder text |
| #64BFFE text on black | 10.42:1 | AAA | Lc -63.5 | 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
#D7EDFF
oklch(93.5% 0.034 242.7)
-
Step 200
200
#B5DFFF
oklch(88.4% 0.062 241.2)
-
Step 300
300 (this color)
#64BFFE
oklch(77.4% 0.126 241.2)
-
Step 400
400
#00AAFD
oklch(70.6% 0.166 241.4)
-
Step 500
500
#0092D9
oklch(63.1% 0.147 241)
-
Step 600
600
#007BB8
oklch(55.7% 0.13 241.1)
-
Step 700
700
#00679B
oklch(49.1% 0.115 241)
-
Step 800
800
#005480
oklch(42.6% 0.1 241.3)
-
Step 900
900
#00466C
oklch(37.7% 0.089 241.5)
-
Step 950
950
#002942
oklch(26.9% 0.063 241.6)
#64BFFE 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) | #A3BFFF | 0.065 |
| Deuteranopia (no green cones) | #8EB0FD | 0.053 |
| Tritanopia (no blue cones) | #00CFD5 | 0.094 |
| Achromatopsia (no color) | #B7B7B7 | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64BFFE
#64BFFE
oklch(77.4% 0.126 241.2)
- #EFA25C
#EFA25C
oklch(77.4% 0.126 61.5)
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 #64BFFE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Lightblue #7BC8F6 ΔE 0.038
- Carolina Blue #8AB8FE ΔE 0.038
- Deep Sky Blue #00BFFF ΔE 0.041
- Vivid Sky Blue #4CC9F0 ΔE 0.041
- Sky #82CAFC ΔE 0.044
- Bright Sky Blue #02CCFE ΔE 0.048
- Light Sky Blue #87CEFA ΔE 0.057
- Pastel Blue #A2BFFE ΔE 0.064
Use #64BFFE 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.