#78B3EA
Closest named color: Carolina Blue (#8AB8FE). oklch(74.8% 0.101 247.6), rgb(120, 179, 234).
Aa
Black text reads best on this color (9.43:1).
About this color
#78B3EA is a medium-light, moderately saturated blue. In OKLCH its lightness is 75%, its chroma 0.101 and its hue 248°. Its hue sits on the cool side of the wheel. The nearest named color is Carolina Blue (#8AB8FE), ΔE 0.038 away. Black text reads best on it, at 9.43:1.
| Hue family | Blues |
| Lightness | medium-light (75%) |
| Chroma | moderately saturated (0.101) |
| Temperature | cool |
| Nearest name | Carolina Blue (#8AB8FE) |
| Black text | 9.43:1 |
| White text | 2.22:1 |
Values
| HEX | #78B3EA |
| RGB | rgb(120, 179, 234) |
| HSL | hsl(209, 73%, 69%) |
| OKLCH | oklch(74.8% 0.101 247.6) |
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 #78B3EA | 2.22:1 | Fails | Lc -48.5 | Large or bold text, headings |
| Black text on #78B3EA | 9.43:1 | AAA | Lc 60.2 | Content text, not long reading |
| #78B3EA text on white | 2.22:1 | Fails | Lc 43.7 | Non-text elements, placeholder text |
| #78B3EA text on black | 9.43:1 | AAA | Lc -58.4 | Large or bold text, headings |
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 400.
-
Step 50
50
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E1EBF6
oklch(93.6% 0.018 250.6)
-
Step 200
200
#C8DCF0
oklch(88.6% 0.035 248.2)
-
Step 300
300
#A1C5E8
oklch(80.9% 0.063 247.9)
-
Step 400
400 (this color)
#78B3EA
oklch(74.8% 0.101 247.6)
-
Step 500
500
#408FD3
oklch(63.2% 0.129 247.5)
-
Step 600
600
#1677C0
oklch(55.5% 0.14 247.8)
-
Step 700
700
#0264A6
oklch(49.1% 0.131 247.7)
-
Step 800
800
#0B5286
oklch(42.7% 0.107 247.4)
-
Step 900
900
#15446C
oklch(37.7% 0.085 248.2)
-
Step 950
950
#0E283F
oklch(26.9% 0.054 248)
#78B3EA 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) | #9CB4ED | 0.042 |
| Deuteranopia (no green cones) | #8EA9E9 | 0.034 |
| Tritanopia (no blue cones) | #42C0C6 | 0.085 |
| Achromatopsia (no color) | #AEAEAE | 0.101 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #78B3EA
#78B3EA
oklch(74.8% 0.101 247.6)
- #D8A165
#D8A165
oklch(74.8% 0.101 67.7)
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 #78B3EA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carolina Blue #8AB8FE ΔE 0.038
- Lightblue #7BC8F6 ΔE 0.056
- Light Grey Blue #9DBCD4 ΔE 0.062
- Vivid Sky Blue #4CC9F0 ΔE 0.063
- Deep Sky Blue #00BFFF ΔE 0.063
- Sky #82CAFC ΔE 0.064
- Light Cornflower Blue #98C1D9 ΔE 0.064
- Pastel Blue #A2BFFE ΔE 0.066
Use #78B3EA 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.