#78BFEA
Closest named color: Lightblue (#7BC8F6). oklch(77.4% 0.094 236.4), rgb(120, 191, 234).
Aa
Black text reads best on this color (10.43:1).
About this color
#78BFEA is a medium-light, moderately saturated blue. In OKLCH its lightness is 77%, its chroma 0.094 and its hue 236°. Its hue sits on the cool side of the wheel. The nearest named color is Lightblue (#7BC8F6), ΔE 0.027 away. Black text reads best on it, at 10.43:1.
| Hue family | Blues |
| Lightness | medium-light (77%) |
| Chroma | moderately saturated (0.094) |
| Temperature | cool |
| Nearest name | Lightblue (#7BC8F6) |
| Black text | 10.43:1 |
| White text | 2.01:1 |
Values
| HEX | #78BFEA |
| RGB | rgb(120, 191, 234) |
| HSL | hsl(203, 73%, 69%) |
| OKLCH | oklch(77.4% 0.094 236.4) |
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 #78BFEA | 2.01:1 | Fails | Lc -43.4 | Non-text elements, placeholder text |
| Black text on #78BFEA | 10.43:1 | AAA | Lc 65.0 | Content text, not long reading |
| #78BFEA text on white | 2.01:1 | Fails | Lc 38.9 | Non-text elements, placeholder text |
| #78BFEA text on black | 10.43:1 | AAA | Lc -63.5 | 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
#DAEDFA
oklch(93.6% 0.027 237.6)
-
Step 200
200
#B9DFF8
oklch(88.5% 0.053 237)
-
Step 300
300 (this color)
#78BFEA
oklch(77.4% 0.094 236.4)
-
Step 400
400
#0DADF1
oklch(70.7% 0.15 236.1)
-
Step 500
500
#0094D0
oklch(63.1% 0.136 236.2)
-
Step 600
600
#007CB0
oklch(55.5% 0.121 236.7)
-
Step 700
700
#006895
oklch(49% 0.107 237)
-
Step 800
800
#00557B
oklch(42.6% 0.093 237.2)
-
Step 900
900
#004767
oklch(37.7% 0.082 236.6)
-
Step 950
950
#002A3F
oklch(27% 0.059 236.5)
#78BFEA 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) | #ABBEEC | 0.058 |
| Deuteranopia (no green cones) | #9BB1E9 | 0.050 |
| Tritanopia (no blue cones) | #3ECACD | 0.074 |
| Achromatopsia (no color) | #B7B7B7 | 0.095 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #78BFEA
#78BFEA
oklch(77.4% 0.094 236.4)
- #E4A67A
#E4A67A
oklch(77.4% 0.094 56.2)
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 #78BFEA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Lightblue #7BC8F6 ΔE 0.027
- Sky #82CAFC ΔE 0.037
- Vivid Sky Blue #4CC9F0 ΔE 0.038
- Light Cornflower Blue #98C1D9 ΔE 0.042
- Carolina Blue #8AB8FE ΔE 0.044
- Sky Blue #87CEEB ΔE 0.046
- Light Sky Blue #87CEFA ΔE 0.047
- Light Grey Blue #9DBCD4 ΔE 0.047
Use #78BFEA 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.