#78A3ED
Closest named color: Periwinkle Blue (#8F99FB). oklch(71.5% 0.119 260.8), rgb(120, 163, 237).
Aa
Black text reads best on this color (8.26:1).
About this color
#78A3ED is a medium-light, moderately saturated blue. In OKLCH its lightness is 71%, its chroma 0.119 and its hue 261°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.045 away. Black text reads best on it, at 8.26:1.
| Hue family | Blues |
| Lightness | medium-light (71%) |
| Chroma | moderately saturated (0.119) |
| Temperature | cool |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 8.26:1 |
| White text | 2.54:1 |
Values
| HEX | #78A3ED |
| RGB | rgb(120, 163, 237) |
| HSL | hsl(218, 76%, 70%) |
| OKLCH | oklch(71.5% 0.119 260.8) |
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 #78A3ED | 2.54:1 | Fails | Lc -54.8 | Large or bold text, headings |
| Black text on #78A3ED | 8.26:1 | AAA | Lc 54.3 | Large or bold text, headings |
| #78A3ED text on white | 2.54:1 | Fails | Lc 49.7 | Large or bold text, headings |
| #78A3ED text on black | 8.26:1 | AAA | Lc -52.3 | 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
#A6C2F1
oklch(81% 0.073 260.7)
-
Step 400
400 (this color)
#78A3ED
oklch(71.5% 0.119 260.8)
-
Step 500
500
#5287E4
oklch(63.1% 0.151 260.8)
-
Step 600
600
#366FD2
oklch(55.7% 0.164 260.6)
-
Step 700
700
#295CB6
oklch(49.1% 0.153 260.8)
-
Step 800
800
#234C93
oklch(42.8% 0.126 260.6)
-
Step 900
900
#214075
oklch(37.7% 0.098 260.4)
-
Step 950
950
#142645
oklch(27.1% 0.063 260.6)
#78A3ED 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) | #87A8F0 | 0.024 |
| Deuteranopia (no green cones) | #799DEB | 0.016 |
| Tritanopia (no blue cones) | #43B3BD | 0.106 |
| Achromatopsia (no color) | #A2A2A2 | 0.119 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #78A3ED
#78A3ED
oklch(71.5% 0.119 260.8)
- #C99A42
#C99A42
oklch(71.4% 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 #78A3ED, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.045
- Cornflower Blue #6495ED ΔE 0.046
- Perrywinkle #8F8CE7 ΔE 0.062
- Carolina Blue #8AB8FE ΔE 0.063
- Chefchaouen Blue #4895EF ΔE 0.065
- Lavender Blue #8B88F8 ΔE 0.076
- Soft Blue #6488EA ΔE 0.078
- Dark Sky Blue #448EE4 ΔE 0.082
Use #78A3ED 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.