#78CFFF
Closest named color: Sky (#82CAFC). oklch(81.8% 0.108 234.4), rgb(120, 207, 255).
Aa
Black text reads best on this color (12.16:1).
About this color
#78CFFF is a light, moderately saturated blue. In OKLCH its lightness is 82%, its chroma 0.108 and its hue 234°. Its hue sits on the cool side of the wheel. The nearest named color is Sky (#82CAFC), ΔE 0.014 away. Black text reads best on it, at 12.16:1.
| Hue family | Blues |
| Lightness | light (82%) |
| Chroma | moderately saturated (0.108) |
| Temperature | cool |
| Nearest name | Sky (#82CAFC) |
| Black text | 12.16:1 |
| White text | 1.72:1 |
Values
| HEX | #78CFFF |
| RGB | rgb(120, 207, 255) |
| HSL | hsl(201, 100%, 74%) |
| OKLCH | oklch(81.8% 0.108 234.4) |
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 #78CFFF | 1.72:1 | Fails | Lc -34.9 | Non-text elements, placeholder text |
| Black text on #78CFFF | 12.16:1 | AAA | Lc 72.8 | Content text, not long reading |
| #78CFFF text on white | 1.72:1 | Fails | Lc 31.0 | Non-text elements, placeholder text |
| #78CFFF text on black | 12.16:1 | AAA | Lc -71.7 | 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
#EDF7FE
oklch(97.1% 0.014 238)
-
Step 100
100
#D7EEFC
oklch(93.6% 0.031 234.4)
-
Step 200
200
#B3E0FB
oklch(88.4% 0.06 234.7)
-
Step 300
300 (this color)
#78CFFF
oklch(81.8% 0.108 234.4)
-
Step 400
400
#00AEEF
oklch(70.8% 0.149 234.4)
-
Step 500
500
#0095CD
oklch(63.1% 0.132 234.2)
-
Step 600
600
#007DAD
oklch(55.6% 0.117 234.3)
-
Step 700
700
#006992
oklch(49.1% 0.103 234.3)
-
Step 800
800
#005678
oklch(42.7% 0.089 233.9)
-
Step 900
900
#004865
oklch(37.8% 0.079 233.7)
-
Step 950
950
#002A3E
oklch(26.9% 0.057 235.2)
#78CFFF 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) | #B8CDFF | 0.069 |
| Deuteranopia (no green cones) | #A5BFFE | 0.059 |
| Tritanopia (no blue cones) | #18DCDF | 0.083 |
| Achromatopsia (no color) | #C5C5C5 | 0.108 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #78CFFF
#78CFFF
oklch(81.8% 0.108 234.4)
- #FAB07F
#FAB07F
oklch(81.7% 0.108 54.1)
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 #78CFFF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sky #82CAFC ΔE 0.014
- Light Sky Blue #87CEFA ΔE 0.014
- Lightblue #7BC8F6 ΔE 0.020
- Sky Blue #87CEEB ΔE 0.030
- Baby Blue #A2CFFE ΔE 0.043
- Vivid Sky Blue #4CC9F0 ΔE 0.045
- Bright Sky Blue #02CCFE ΔE 0.056
- Pastel Blue #A2BFFE ΔE 0.057
Use #78CFFF 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.