#78A4EB
Closest named color: Periwinkle Blue (#8F99FB). oklch(71.6% 0.115 259.7), rgb(120, 164, 235).
Aa
Black text reads best on this color (8.30:1).
About this color
#78A4EB is a medium-light, moderately saturated blue. In OKLCH its lightness is 72%, its chroma 0.115 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.049 away. Black text reads best on it, at 8.30:1.
| Hue family | Blues |
| Lightness | medium-light (72%) |
| Chroma | moderately saturated (0.115) |
| Temperature | cool |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 8.30:1 |
| White text | 2.52:1 |
Values
| HEX | #78A4EB |
| RGB | rgb(120, 164, 235) |
| HSL | hsl(217, 74%, 70%) |
| OKLCH | oklch(71.6% 0.115 259.7) |
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 #78A4EB | 2.52:1 | Fails | Lc -54.5 | Large or bold text, headings |
| Black text on #78A4EB | 8.30:1 | AAA | Lc 54.6 | Large or bold text, headings |
| #78A4EB text on white | 2.52:1 | Fails | Lc 49.4 | Large or bold text, headings |
| #78A4EB text on black | 8.30:1 | AAA | Lc -52.5 | 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
#E2EAF8
oklch(93.5% 0.021 261.8)
-
Step 200
200
#CADAF4
oklch(88.4% 0.04 260.1)
-
Step 300
300
#A6C2F0
oklch(80.9% 0.072 260.3)
-
Step 400
400 (this color)
#78A4EB
oklch(71.6% 0.115 259.7)
-
Step 500
500
#5188E1
oklch(63.1% 0.147 259.6)
-
Step 600
600
#3570CF
oklch(55.7% 0.159 259.6)
-
Step 700
700
#285DB3
oklch(49.1% 0.148 259.7)
-
Step 800
800
#224C91
oklch(42.6% 0.123 259.9)
-
Step 900
900
#214074
oklch(37.7% 0.097 260.1)
-
Step 950
950
#142644
oklch(27% 0.061 260.1)
#78A4EB 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) | #89A9EE | 0.026 |
| Deuteranopia (no green cones) | #7B9EE9 | 0.016 |
| Tritanopia (no blue cones) | #45B3BD | 0.102 |
| Achromatopsia (no color) | #A3A3A3 | 0.115 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #78A4EB
#78A4EB
oklch(71.6% 0.115 259.7)
- #C99B47
#C99B47
oklch(71.6% 0.115 80.1)
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 #78A4EB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.049
- Cornflower Blue #6495ED ΔE 0.049
- Carolina Blue #8AB8FE ΔE 0.061
- Perrywinkle #8F8CE7 ΔE 0.065
- Chefchaouen Blue #4895EF ΔE 0.067
- Greyblue #77A1B5 ΔE 0.080
- Lavender Blue #8B88F8 ΔE 0.080
- Soft Blue #6488EA ΔE 0.081
Use #78A4EB 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.