#78A4EE
Closest named color: Periwinkle Blue (#8F99FB). oklch(71.7% 0.119 260.4), rgb(120, 164, 238).
Aa
Black text reads best on this color (8.34:1).
About this color
#78A4EE is a medium-light, moderately saturated blue. In OKLCH its lightness is 72%, its chroma 0.119 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.046 away. Black text reads best on it, at 8.34:1.
| Hue family | Blues |
| Lightness | medium-light (72%) |
| Chroma | moderately saturated (0.119) |
| Temperature | cool |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 8.34:1 |
| White text | 2.51:1 |
Values
| HEX | #78A4EE |
| RGB | rgb(120, 164, 238) |
| HSL | hsl(218, 78%, 70%) |
| OKLCH | oklch(71.7% 0.119 260.4) |
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 #78A4EE | 2.51:1 | Fails | Lc -54.3 | Large or bold text, headings |
| Black text on #78A4EE | 8.34:1 | AAA | Lc 54.7 | Large or bold text, headings |
| #78A4EE text on white | 2.51:1 | Fails | Lc 49.3 | Large or bold text, headings |
| #78A4EE text on black | 8.34:1 | AAA | Lc -52.7 | 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
#F2F6FC
oklch(97.2% 0.009 258.3)
-
Step 100
100
#E2EAF9
oklch(93.5% 0.022 263.2)
-
Step 200
200
#CADAF5
oklch(88.5% 0.041 260.9)
-
Step 300
300
#A5C2F1
oklch(80.9% 0.074 260)
-
Step 400
400 (this color)
#78A4EE
oklch(71.7% 0.119 260.4)
-
Step 500
500
#5187E4
oklch(63.1% 0.152 260.6)
-
Step 600
600
#356FD2
oklch(55.6% 0.165 260.4)
-
Step 700
700
#275CB6
oklch(49.1% 0.154 260.3)
-
Step 800
800
#224C93
oklch(42.8% 0.126 260.2)
-
Step 900
900
#214075
oklch(37.7% 0.098 260.4)
-
Step 950
950
#142645
oklch(27.1% 0.063 260.6)
#78A4EE 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) | #87A9F1 | 0.023 |
| Deuteranopia (no green cones) | #7A9EEC | 0.015 |
| Tritanopia (no blue cones) | #42B4BE | 0.106 |
| Achromatopsia (no color) | #A3A3A3 | 0.119 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #78A4EE
#78A4EE
oklch(71.7% 0.119 260.4)
- #CA9B43
#CA9B43
oklch(71.7% 0.118 80.4)
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 #78A4EE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.046
- Cornflower Blue #6495ED ΔE 0.048
- Carolina Blue #8AB8FE ΔE 0.060
- Perrywinkle #8F8CE7 ΔE 0.064
- Chefchaouen Blue #4895EF ΔE 0.066
- Lavender Blue #8B88F8 ΔE 0.078
- Soft Blue #6488EA ΔE 0.080
- Dark Sky Blue #448EE4 ΔE 0.084
Use #78A4EE 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.