#78BCEE
Closest named color: Lightblue (#7BC8F6). oklch(76.9% 0.1 241.6), rgb(120, 188, 238).
Aa
Black text reads best on this color (10.22:1).
About this color
#78BCEE is a medium-light, moderately saturated blue. In OKLCH its lightness is 77%, its chroma 0.100 and its hue 242°. Its hue sits on the cool side of the wheel. The nearest named color is Lightblue (#7BC8F6), ΔE 0.032 away. Black text reads best on it, at 10.22:1.
| Hue family | Blues |
| Lightness | medium-light (77%) |
| Chroma | moderately saturated (0.100) |
| Temperature | cool |
| Nearest name | Lightblue (#7BC8F6) |
| Black text | 10.22:1 |
| White text | 2.05:1 |
Values
| HEX | #78BCEE |
| RGB | rgb(120, 188, 238) |
| HSL | hsl(205, 78%, 70%) |
| OKLCH | oklch(76.9% 0.1 241.6) |
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 #78BCEE | 2.05:1 | Fails | Lc -44.4 | Non-text elements, placeholder text |
| Black text on #78BCEE | 10.22:1 | AAA | Lc 64.0 | Content text, not long reading |
| #78BCEE text on white | 2.05:1 | Fails | Lc 39.9 | Non-text elements, placeholder text |
| #78BCEE text on black | 10.22:1 | AAA | Lc -62.4 | 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
#EEF7FE
oklch(97.1% 0.013 241)
-
Step 100
100
#DAEDFC
oklch(93.7% 0.029 241.6)
-
Step 200
200
#BADFFB
oklch(88.6% 0.055 240.9)
-
Step 300
300 (this color)
#78BCEE
oklch(76.9% 0.1 241.6)
-
Step 400
400
#1EAAFA
oklch(70.7% 0.16 241.7)
-
Step 500
500
#0092DA
oklch(63.1% 0.148 241.4)
-
Step 600
600
#007AB8
oklch(55.5% 0.131 241.7)
-
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
#002942
oklch(26.9% 0.063 241.6)
#78BCEE 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) | #A6BCF0 | 0.052 |
| Deuteranopia (no green cones) | #96AFED | 0.045 |
| Tritanopia (no blue cones) | #3BC8CD | 0.081 |
| Achromatopsia (no color) | #B5B5B5 | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #78BCEE
#78BCEE
oklch(76.9% 0.1 241.6)
- #E2A570
#E2A570
oklch(76.8% 0.1 61.5)
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 #78BCEE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Lightblue #7BC8F6 ΔE 0.032
- Carolina Blue #8AB8FE ΔE 0.035
- Sky #82CAFC ΔE 0.041
- Vivid Sky Blue #4CC9F0 ΔE 0.045
- Light Cornflower Blue #98C1D9 ΔE 0.050
- Light Sky Blue #87CEFA ΔE 0.052
- Light Grey Blue #9DBCD4 ΔE 0.053
- Pastel Blue #A2BFFE ΔE 0.055
Use #78BCEE 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.