#78A4FC
Closest named color: Periwinkle Blue (#8F99FB). oklch(72.5% 0.137 263.2), rgb(120, 164, 252).
Aa
Black text reads best on this color (8.51:1).
About this color
#78A4FC is a medium-light, moderately saturated blue. In OKLCH its lightness is 72%, its chroma 0.137 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.037 away. Black text reads best on it, at 8.51:1.
| Hue family | Blues |
| Lightness | medium-light (72%) |
| Chroma | moderately saturated (0.137) |
| Temperature | cool |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 8.51:1 |
| White text | 2.46:1 |
Values
| HEX | #78A4FC |
| RGB | rgb(120, 164, 252) |
| HSL | hsl(220, 96%, 73%) |
| OKLCH | oklch(72.5% 0.137 263.2) |
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 #78A4FC | 2.46:1 | Fails | Lc -53.4 | Large or bold text, headings |
| Black text on #78A4FC | 8.51:1 | AAA | Lc 55.7 | Large or bold text, headings |
| #78A4FC text on white | 2.46:1 | Fails | Lc 48.3 | Large or bold text, headings |
| #78A4FC text on black | 8.51:1 | AAA | Lc -53.7 | 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
#F1F6FD
oklch(97.1% 0.011 256.7)
-
Step 100
100
#E1EAFB
oklch(93.5% 0.025 263.3)
-
Step 200
200
#C9DAFA
oklch(88.6% 0.048 263.1)
-
Step 300
300
#A4C1F9
oklch(81% 0.086 263.3)
-
Step 400
400 (this color)
#78A4FC
oklch(72.5% 0.137 263.2)
-
Step 500
500
#4F83F2
oklch(63% 0.176 263.3)
-
Step 600
600
#346AE1
oklch(55.7% 0.191 263.2)
-
Step 700
700
#2757C3
oklch(49% 0.177 263.3)
-
Step 800
800
#21489E
oklch(42.7% 0.147 263.2)
-
Step 900
900
#203D7D
oklch(37.6% 0.114 263.5)
-
Step 950
950
#132549
oklch(27.1% 0.071 262.6)
#78A4FC 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) | #81ACFF | 0.024 |
| Deuteranopia (no green cones) | #719FFA | 0.016 |
| Tritanopia (no blue cones) | #33B7C4 | 0.123 |
| Achromatopsia (no color) | #A5A5A5 | 0.137 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #78A4FC
#78A4FC
oklch(72.5% 0.137 263.2)
- #CF9D28
#CF9D28
oklch(72.4% 0.137 83.4)
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 #78A4FC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.037
- Cornflower Blue #6495ED ΔE 0.050
- Carolina Blue #8AB8FE ΔE 0.059
- Perrywinkle #8F8CE7 ΔE 0.065
- Chefchaouen Blue #4895EF ΔE 0.067
- Lavender Blue #8B88F8 ΔE 0.071
- Soft Blue #6488EA ΔE 0.081
- Deep Sky Blue #00BFFF ΔE 0.086
Use #78A4FC 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.