#78C4FC
Closest named color: Lightblue (#7BC8F6). oklch(79.3% 0.11 241.9), rgb(120, 196, 252).
Aa
Black text reads best on this color (11.10:1).
About this color
#78C4FC is a light, moderately saturated blue. In OKLCH its lightness is 79%, its chroma 0.110 and its hue 242°. Its hue sits on the cool side of the wheel. The nearest named color is Lightblue (#7BC8F6), ΔE 0.016 away. Black text reads best on it, at 11.10:1.
| Hue family | Blues |
| Lightness | light (79%) |
| Chroma | moderately saturated (0.110) |
| Temperature | cool |
| Nearest name | Lightblue (#7BC8F6) |
| Black text | 11.10:1 |
| White text | 1.89:1 |
Values
| HEX | #78C4FC |
| RGB | rgb(120, 196, 252) |
| HSL | hsl(205, 96%, 73%) |
| OKLCH | oklch(79.3% 0.11 241.9) |
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 #78C4FC | 1.89:1 | Fails | Lc -40.0 | Non-text elements, placeholder text |
| Black text on #78C4FC | 11.10:1 | AAA | Lc 68.1 | Content text, not long reading |
| #78C4FC text on white | 1.89:1 | Fails | Lc 35.8 | Non-text elements, placeholder text |
| #78C4FC text on black | 11.10:1 | AAA | Lc -66.7 | 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
#EDF7FF
oklch(97.1% 0.015 241.8)
-
Step 100
100
#D8EDFE
oklch(93.6% 0.032 242.4)
-
Step 200
200
#B6DFFF
oklch(88.5% 0.062 241.9)
-
Step 300
300 (this color)
#78C4FC
oklch(79.3% 0.11 241.9)
-
Step 400
400
#00AAFF
oklch(70.7% 0.168 242)
-
Step 500
500
#0092DB
oklch(63.2% 0.149 241.7)
-
Step 600
600
#007AB9
oklch(55.5% 0.132 242.1)
-
Step 700
700
#00679C
oklch(49.2% 0.116 241.5)
-
Step 800
800
#005481
oklch(42.7% 0.101 241.9)
-
Step 900
900
#00466C
oklch(37.7% 0.089 241.5)
-
Step 950
950
#002943
oklch(27% 0.065 242.6)
#78C4FC 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) | #ACC4FF | 0.058 |
| Deuteranopia (no green cones) | #9AB6FB | 0.048 |
| Tritanopia (no blue cones) | #26D2D7 | 0.091 |
| Achromatopsia (no color) | #BCBCBC | 0.110 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #78C4FC
#78C4FC
oklch(79.3% 0.11 241.9)
- #EEAB6F
#EEAB6F
oklch(79.2% 0.11 62)
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 #78C4FC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Lightblue #7BC8F6 ΔE 0.016
- Sky #82CAFC ΔE 0.020
- Light Sky Blue #87CEFA ΔE 0.033
- Carolina Blue #8AB8FE ΔE 0.036
- Vivid Sky Blue #4CC9F0 ΔE 0.042
- Sky Blue #87CEEB ΔE 0.045
- Pastel Blue #A2BFFE ΔE 0.046
- Bright Sky Blue #02CCFE ΔE 0.055
Use #78C4FC 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.