#78C4EF
Closest named color: Lightblue (#7BC8F6). oklch(78.7% 0.097 234.7), rgb(120, 196, 239).
Aa
Black text reads best on this color (10.94:1).
About this color
#78C4EF is a light, moderately saturated blue. In OKLCH its lightness is 79%, its chroma 0.097 and its hue 235°. Its hue sits on the cool side of the wheel. The nearest named color is Lightblue (#7BC8F6), ΔE 0.014 away. Black text reads best on it, at 10.94:1.
| Hue family | Blues |
| Lightness | light (79%) |
| Chroma | moderately saturated (0.097) |
| Temperature | cool |
| Nearest name | Lightblue (#7BC8F6) |
| Black text | 10.94:1 |
| White text | 1.91:1 |
Values
| HEX | #78C4EF |
| RGB | rgb(120, 196, 239) |
| HSL | hsl(202, 79%, 70%) |
| OKLCH | oklch(78.7% 0.097 234.7) |
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 #78C4EF | 1.91:1 | Fails | Lc -40.8 | Non-text elements, placeholder text |
| Black text on #78C4EF | 10.94:1 | AAA | Lc 67.3 | Content text, not long reading |
| #78C4EF text on white | 1.91:1 | Fails | Lc 36.5 | Non-text elements, placeholder text |
| #78C4EF text on black | 10.94:1 | AAA | Lc -65.9 | 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
#EEF7FD
oklch(97.1% 0.013 236.6)
-
Step 100
100
#D9EDFA
oklch(93.5% 0.028 236.2)
-
Step 200
200
#B7E0F8
oklch(88.5% 0.054 233.9)
-
Step 300
300 (this color)
#78C4EF
oklch(78.7% 0.097 234.7)
-
Step 400
400
#00AEEF
oklch(70.8% 0.149 234.4)
-
Step 500
500
#0095CE
oklch(63.2% 0.133 234.7)
-
Step 600
600
#007DAD
oklch(55.6% 0.117 234.3)
-
Step 700
700
#006993
oklch(49.2% 0.104 234.9)
-
Step 800
800
#005679
oklch(42.8% 0.09 234.7)
-
Step 900
900
#004765
oklch(37.6% 0.08 234.9)
-
Step 950
950
#002A3E
oklch(26.9% 0.057 235.2)
#78C4EF 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) | #B0C2F1 | 0.063 |
| Deuteranopia (no green cones) | #9FB5EE | 0.055 |
| Tritanopia (no blue cones) | #38CFD2 | 0.074 |
| Achromatopsia (no color) | #BBBBBB | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #78C4EF
#78C4EF
oklch(78.7% 0.097 234.7)
- #EBA97D
#EBA97D
oklch(78.8% 0.098 54.5)
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 #78C4EF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Lightblue #7BC8F6 ΔE 0.014
- Sky #82CAFC ΔE 0.025
- Vivid Sky Blue #4CC9F0 ΔE 0.034
- Light Sky Blue #87CEFA ΔE 0.034
- Sky Blue #87CEEB ΔE 0.035
- Light Cornflower Blue #98C1D9 ΔE 0.042
- Carolina Blue #8AB8FE ΔE 0.047
- Light Grey Blue #9DBCD4 ΔE 0.050
Use #78C4EF 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.