#78A7EF
Closest named color: Periwinkle Blue (#8F99FB). oklch(72.4% 0.117 258.7), rgb(120, 167, 239).
Aa
Black text reads best on this color (8.57:1).
About this color
#78A7EF is a medium-light, moderately saturated blue. In OKLCH its lightness is 72%, its chroma 0.117 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.050 away. Black text reads best on it, at 8.57:1.
| Hue family | Blues |
| Lightness | medium-light (72%) |
| Chroma | moderately saturated (0.117) |
| Temperature | cool |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 8.57:1 |
| White text | 2.44:1 |
Values
| HEX | #78A7EF |
| RGB | rgb(120, 167, 239) |
| HSL | hsl(216, 79%, 70%) |
| OKLCH | oklch(72.4% 0.117 258.7) |
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 #78A7EF | 2.44:1 | Fails | Lc -53.1 | Large or bold text, headings |
| Black text on #78A7EF | 8.57:1 | AAA | Lc 55.9 | Large or bold text, headings |
| #78A7EF text on white | 2.44:1 | Fails | Lc 48.1 | Large or bold text, headings |
| #78A7EF text on black | 8.57:1 | AAA | Lc -53.9 | 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
#C9DAF5
oklch(88.4% 0.042 259.6)
-
Step 300
300
#A4C2F0
oklch(80.8% 0.073 258.8)
-
Step 400
400 (this color)
#78A7EF
oklch(72.4% 0.117 258.7)
-
Step 500
500
#4D88E2
oklch(63% 0.15 258.6)
-
Step 600
600
#3070D0
oklch(55.6% 0.162 258.6)
-
Step 700
700
#235DB5
oklch(49.1% 0.152 258.9)
-
Step 800
800
#1E4D92
oklch(42.8% 0.125 258.4)
-
Step 900
900
#1E4074
oklch(37.5% 0.098 258.7)
-
Step 950
950
#122644
oklch(26.9% 0.062 258.3)
#78A7EF 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) | #8BACF2 | 0.027 |
| Deuteranopia (no green cones) | #7DA0ED | 0.018 |
| Tritanopia (no blue cones) | #40B7C1 | 0.104 |
| Achromatopsia (no color) | #A5A5A5 | 0.117 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #78A7EF
#78A7EF
oklch(72.4% 0.117 258.7)
- #CD9C48
#CD9C48
oklch(72.3% 0.117 78.5)
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 #78A7EF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.050
- Carolina Blue #8AB8FE ΔE 0.053
- Cornflower Blue #6495ED ΔE 0.056
- Perrywinkle #8F8CE7 ΔE 0.071
- Chefchaouen Blue #4895EF ΔE 0.072
- Deep Sky Blue #00BFFF ΔE 0.079
- Greyblue #77A1B5 ΔE 0.084
- Lavender Blue #8B88F8 ΔE 0.085
Use #78A7EF 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.