#78CDFF
Closest named color: Sky (#82CAFC). oklch(81.3% 0.109 236), rgb(120, 205, 255).
Aa
Black text reads best on this color (11.97:1).
About this color
#78CDFF is a light, moderately saturated blue. In OKLCH its lightness is 81%, its chroma 0.109 and its hue 236°. Its hue sits on the cool side of the wheel. The nearest named color is Sky (#82CAFC), ΔE 0.011 away. Black text reads best on it, at 11.97:1.
| Hue family | Blues |
| Lightness | light (81%) |
| Chroma | moderately saturated (0.109) |
| Temperature | cool |
| Nearest name | Sky (#82CAFC) |
| Black text | 11.97:1 |
| White text | 1.75:1 |
Values
| HEX | #78CDFF |
| RGB | rgb(120, 205, 255) |
| HSL | hsl(202, 100%, 74%) |
| OKLCH | oklch(81.3% 0.109 236) |
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 #78CDFF | 1.75:1 | Fails | Lc -35.8 | Non-text elements, placeholder text |
| Black text on #78CDFF | 11.97:1 | AAA | Lc 72.0 | Content text, not long reading |
| #78CDFF text on white | 1.75:1 | Fails | Lc 31.9 | Non-text elements, placeholder text |
| #78CDFF text on black | 11.97:1 | AAA | Lc -70.8 | 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
#D7EEFD
oklch(93.7% 0.032 236.3)
-
Step 200
200
#B4E0FC
oklch(88.5% 0.06 236.3)
-
Step 300
300 (this color)
#78CDFF
oklch(81.3% 0.109 236)
-
Step 400
400
#00ADF2
oklch(70.7% 0.152 236.1)
-
Step 500
500
#0094D0
oklch(63.1% 0.136 236.2)
-
Step 600
600
#007CAF
oklch(55.5% 0.12 236.1)
-
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
#004767
oklch(37.7% 0.082 236.6)
-
Step 950
950
#002A3F
oklch(27% 0.059 236.5)
#78CDFF 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) | #B6CCFF | 0.067 |
| Deuteranopia (no green cones) | #A3BDFE | 0.058 |
| Tritanopia (no blue cones) | #1ADADE | 0.085 |
| Achromatopsia (no color) | #C3C3C3 | 0.109 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #78CDFF
#78CDFF
oklch(81.3% 0.109 236)
- #F8AF7C
#F8AF7C
oklch(81.2% 0.108 55.5)
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 #78CDFF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sky #82CAFC ΔE 0.011
- Lightblue #7BC8F6 ΔE 0.016
- Light Sky Blue #87CEFA ΔE 0.016
- Sky Blue #87CEEB ΔE 0.032
- Vivid Sky Blue #4CC9F0 ΔE 0.043
- Baby Blue #A2CFFE ΔE 0.044
- Pastel Blue #A2BFFE ΔE 0.054
- Bright Sky Blue #02CCFE ΔE 0.055
Use #78CDFF 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.