#78C5FF
Closest named color: Lightblue (#7BC8F6). oklch(79.6% 0.113 242.5), rgb(120, 197, 255).
Aa
Black text reads best on this color (11.22:1).
About this color
#78C5FF is a light, moderately saturated blue. In OKLCH its lightness is 80%, its chroma 0.113 and its hue 243°. Its hue sits on the cool side of the wheel. The nearest named color is Lightblue (#7BC8F6), ΔE 0.018 away. Black text reads best on it, at 11.22:1.
| Hue family | Blues |
| Lightness | light (80%) |
| Chroma | moderately saturated (0.113) |
| Temperature | cool |
| Nearest name | Lightblue (#7BC8F6) |
| Black text | 11.22:1 |
| White text | 1.87:1 |
Values
| HEX | #78C5FF |
| RGB | rgb(120, 197, 255) |
| HSL | hsl(206, 100%, 74%) |
| OKLCH | oklch(79.6% 0.113 242.5) |
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 #78C5FF | 1.87:1 | Fails | Lc -39.4 | Non-text elements, placeholder text |
| Black text on #78C5FF | 11.22:1 | AAA | Lc 68.7 | Content text, not long reading |
| #78C5FF text on white | 1.87:1 | Fails | Lc 35.2 | Non-text elements, placeholder text |
| #78C5FF text on black | 11.22:1 | AAA | Lc -67.3 | 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
#B7DFFF
oklch(88.6% 0.061 242.5)
-
Step 300
300 (this color)
#78C5FF
oklch(79.6% 0.113 242.5)
-
Step 400
400
#0CAAFF
oklch(70.8% 0.167 242.4)
-
Step 500
500
#0091DC
oklch(63% 0.151 242.6)
-
Step 600
600
#007ABA
oklch(55.6% 0.133 242.5)
-
Step 700
700
#00669D
oklch(49% 0.118 242.7)
-
Step 800
800
#005482
oklch(42.8% 0.102 242.4)
-
Step 900
900
#00466D
oklch(37.8% 0.09 242.2)
-
Step 950
950
#002943
oklch(27% 0.065 242.6)
#78C5FF 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) | #ACC5FF | 0.057 |
| Deuteranopia (no green cones) | #9AB7FE | 0.048 |
| Tritanopia (no blue cones) | #20D3D9 | 0.092 |
| Achromatopsia (no color) | #BDBDBD | 0.113 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #78C5FF
#78C5FF
oklch(79.6% 0.113 242.5)
- #F0AC6D
#F0AC6D
oklch(79.6% 0.113 62.9)
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 #78C5FF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Lightblue #7BC8F6 ΔE 0.018
- Sky #82CAFC ΔE 0.019
- Light Sky Blue #87CEFA ΔE 0.032
- Carolina Blue #8AB8FE ΔE 0.037
- Vivid Sky Blue #4CC9F0 ΔE 0.044
- Pastel Blue #A2BFFE ΔE 0.046
- Sky Blue #87CEEB ΔE 0.046
- Baby Blue #A2CFFE ΔE 0.055
Use #78C5FF 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.