#78CBFB
Closest named color: Lightblue (#7BC8F6). oklch(80.7% 0.106 235.5), rgb(120, 203, 251).
Aa
Black text reads best on this color (11.73:1).
About this color
#78CBFB is a light, moderately saturated blue. In OKLCH its lightness is 81%, its chroma 0.106 and its hue 236°. Its hue sits on the cool side of the wheel. The nearest named color is Lightblue (#7BC8F6), ΔE 0.009 away. Black text reads best on it, at 11.73:1.
| Hue family | Blues |
| Lightness | light (81%) |
| Chroma | moderately saturated (0.106) |
| Temperature | cool |
| Nearest name | Lightblue (#7BC8F6) |
| Black text | 11.73:1 |
| White text | 1.78:1 |
Values
| HEX | #78CBFB |
| RGB | rgb(120, 203, 251) |
| HSL | hsl(202, 94%, 73%) |
| OKLCH | oklch(80.7% 0.106 235.5) |
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 #78CBFB | 1.78:1 | Fails | Lc -37.0 | Non-text elements, placeholder text |
| Black text on #78CBFB | 11.73:1 | AAA | Lc 70.9 | Content text, not long reading |
| #78CBFB text on white | 1.78:1 | Fails | Lc 32.9 | Non-text elements, placeholder text |
| #78CBFB text on black | 11.73:1 | AAA | Lc -69.7 | 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
#B4E0FB
oklch(88.4% 0.059 235.3)
-
Step 300
300 (this color)
#78CBFB
oklch(80.7% 0.106 235.5)
-
Step 400
400
#00ADF1
oklch(70.7% 0.151 235.7)
-
Step 500
500
#0094CF
oklch(63% 0.135 235.8)
-
Step 600
600
#007DAF
oklch(55.7% 0.119 235.4)
-
Step 700
700
#006994
oklch(49.2% 0.105 235.5)
-
Step 800
800
#00567A
oklch(42.8% 0.091 235.4)
-
Step 900
900
#004766
oklch(37.6% 0.081 235.8)
-
Step 950
950
#002A3E
oklch(26.9% 0.057 235.2)
#78CBFB 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) | #B5C9FD | 0.067 |
| Deuteranopia (no green cones) | #A2BCFA | 0.056 |
| Tritanopia (no blue cones) | #24D8DB | 0.083 |
| Achromatopsia (no color) | #C2C2C2 | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #78CBFB
#78CBFB
oklch(80.7% 0.106 235.5)
- #F5AE7C
#F5AE7C
oklch(80.7% 0.106 55.8)
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 #78CBFB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Lightblue #7BC8F6 ΔE 0.009
- Sky #82CAFC ΔE 0.010
- Light Sky Blue #87CEFA ΔE 0.018
- Sky Blue #87CEEB ΔE 0.030
- Vivid Sky Blue #4CC9F0 ΔE 0.039
- Baby Blue #A2CFFE ΔE 0.046
- Pastel Blue #A2BFFE ΔE 0.053
- Bright Sky Blue #02CCFE ΔE 0.053
Use #78CBFB 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.