#78ACEE
Closest named color: Carolina Blue (#8AB8FE). oklch(73.4% 0.111 254.9), rgb(120, 172, 238).
Aa
Black text reads best on this color (8.93:1).
About this color
#78ACEE is a medium-light, moderately saturated blue. In OKLCH its lightness is 73%, its chroma 0.111 and its hue 255°. Its hue sits on the cool side of the wheel. The nearest named color is Carolina Blue (#8AB8FE), ΔE 0.043 away. Black text reads best on it, at 8.93:1.
| Hue family | Blues |
| Lightness | medium-light (73%) |
| Chroma | moderately saturated (0.111) |
| Temperature | cool |
| Nearest name | Carolina Blue (#8AB8FE) |
| Black text | 8.93:1 |
| White text | 2.35:1 |
Values
| HEX | #78ACEE |
| RGB | rgb(120, 172, 238) |
| HSL | hsl(214, 78%, 70%) |
| OKLCH | oklch(73.4% 0.111 254.9) |
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 #78ACEE | 2.35:1 | Fails | Lc -51.2 | Large or bold text, headings |
| Black text on #78ACEE | 8.93:1 | AAA | Lc 57.8 | Large or bold text, headings |
| #78ACEE text on white | 2.35:1 | Fails | Lc 46.2 | Large or bold text, headings |
| #78ACEE text on black | 8.93:1 | AAA | Lc -55.8 | 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
#E1EBF7
oklch(93.6% 0.019 252.9)
-
Step 200
200
#C8DBF3
oklch(88.5% 0.039 254.3)
-
Step 300
300
#A3C3ED
oklch(80.8% 0.069 255.4)
-
Step 400
400 (this color)
#78ACEE
oklch(73.4% 0.111 254.9)
-
Step 500
500
#488BDD
oklch(63.1% 0.142 254.8)
-
Step 600
600
#2773CB
oklch(55.6% 0.155 254.9)
-
Step 700
700
#1960AF
oklch(49.1% 0.143 254.7)
-
Step 800
800
#184F8E
oklch(42.8% 0.119 254.7)
-
Step 900
900
#1B4271
oklch(37.7% 0.092 254.8)
-
Step 950
950
#112742
oklch(27% 0.058 254.7)
#78ACEE 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) | #92AFF1 | 0.032 |
| Deuteranopia (no green cones) | #84A4ED | 0.023 |
| Tritanopia (no blue cones) | #40BBC3 | 0.098 |
| Achromatopsia (no color) | #A9A9A9 | 0.111 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #78ACEE
#78ACEE
oklch(73.4% 0.111 254.9)
- #D29E53
#D29E53
oklch(73.3% 0.111 74.6)
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 #78ACEE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carolina Blue #8AB8FE ΔE 0.043
- Periwinkle Blue #8F99FB ΔE 0.062
- Cornflower Blue #6495ED ΔE 0.068
- Deep Sky Blue #00BFFF ΔE 0.071
- Lightblue #7BC8F6 ΔE 0.075
- Pastel Blue #A2BFFE ΔE 0.076
- Light Grey Blue #9DBCD4 ΔE 0.080
- Vivid Sky Blue #4CC9F0 ΔE 0.081
Use #78ACEE 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.