#78ACEF
Closest named color: Carolina Blue (#8AB8FE). oklch(73.5% 0.112 255.2), rgb(120, 172, 239).
Aa
Black text reads best on this color (8.94:1).
About this color
#78ACEF is a medium-light, moderately saturated blue. In OKLCH its lightness is 73%, its chroma 0.112 and its hue 255°. Its hue sits on the cool side of the wheel. The nearest named color is Carolina Blue (#8AB8FE), ΔE 0.043 away. Black text reads best on it, at 8.94:1.
| Hue family | Blues |
| Lightness | medium-light (73%) |
| Chroma | moderately saturated (0.112) |
| Temperature | cool |
| Nearest name | Carolina Blue (#8AB8FE) |
| Black text | 8.94:1 |
| White text | 2.34:1 |
Values
| HEX | #78ACEF |
| RGB | rgb(120, 172, 239) |
| HSL | hsl(214, 79%, 70%) |
| OKLCH | oklch(73.5% 0.112 255.2) |
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 #78ACEF | 2.34:1 | Fails | Lc -51.1 | Large or bold text, headings |
| Black text on #78ACEF | 8.94:1 | AAA | Lc 57.8 | Large or bold text, headings |
| #78ACEF text on white | 2.34:1 | Fails | Lc 46.2 | Large or bold text, headings |
| #78ACEF text on black | 8.94:1 | AAA | Lc -55.9 | 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
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#E1EBF8
oklch(93.6% 0.021 254.9)
-
Step 200
200
#C8DBF3
oklch(88.5% 0.039 254.3)
-
Step 300
300
#A3C3EE
oklch(80.9% 0.07 255.9)
-
Step 400
400 (this color)
#78ACEF
oklch(73.5% 0.112 255.2)
-
Step 500
500
#488BDE
oklch(63.2% 0.143 255)
-
Step 600
600
#2773CC
oklch(55.7% 0.156 255.1)
-
Step 700
700
#1960B0
oklch(49.2% 0.144 255)
-
Step 800
800
#184E8F
oklch(42.6% 0.121 255.6)
-
Step 900
900
#1B4272
oklch(37.8% 0.093 255.2)
-
Step 950
950
#112743
oklch(27.1% 0.059 255.4)
#78ACEF 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) | #92B0F2 | 0.033 |
| Deuteranopia (no green cones) | #83A4EE | 0.023 |
| Tritanopia (no blue cones) | #3FBBC3 | 0.100 |
| Achromatopsia (no color) | #A9A9A9 | 0.112 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #78ACEF
#78ACEF
oklch(73.5% 0.112 255.2)
- #D29F52
#D29F52
oklch(73.5% 0.112 75.7)
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 #78ACEF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carolina Blue #8AB8FE ΔE 0.043
- Periwinkle Blue #8F99FB ΔE 0.061
- Cornflower Blue #6495ED ΔE 0.068
- Deep Sky Blue #00BFFF ΔE 0.070
- Lightblue #7BC8F6 ΔE 0.075
- Pastel Blue #A2BFFE ΔE 0.076
- Light Grey Blue #9DBCD4 ΔE 0.081
- Sky #82CAFC ΔE 0.081
Use #78ACEF 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.