#78AED4
Closest named color: Bluegrey (#85A3B2). oklch(72.7% 0.079 239.9), rgb(120, 174, 212).
Aa
Black text reads best on this color (8.80:1).
About this color
#78AED4 is a medium-light, moderately saturated blue. In OKLCH its lightness is 73%, its chroma 0.079 and its hue 240°. Its hue sits on the cool side of the wheel. The nearest named color is Bluegrey (#85A3B2), ΔE 0.050 away. Black text reads best on it, at 8.80:1.
| Hue family | Blues |
| Lightness | medium-light (73%) |
| Chroma | moderately saturated (0.079) |
| Temperature | cool |
| Nearest name | Bluegrey (#85A3B2) |
| Black text | 8.80:1 |
| White text | 2.38:1 |
Values
| HEX | #78AED4 |
| RGB | rgb(120, 174, 212) |
| HSL | hsl(205, 52%, 65%) |
| OKLCH | oklch(72.7% 0.079 239.9) |
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 #78AED4 | 2.38:1 | Fails | Lc -51.9 | Large or bold text, headings |
| Black text on #78AED4 | 8.80:1 | AAA | Lc 57.1 | Large or bold text, headings |
| #78AED4 text on white | 2.38:1 | Fails | Lc 46.9 | Large or bold text, headings |
| #78AED4 text on black | 8.80:1 | AAA | Lc -55.1 | 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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E2EBF3
oklch(93.6% 0.015 244.7)
-
Step 200
200
#CADCEA
oklch(88.5% 0.027 241.2)
-
Step 300
300
#A4C6DE
oklch(81% 0.05 239)
-
Step 400
400 (this color)
#78AED4
oklch(72.7% 0.079 239.9)
-
Step 500
500
#4991C0
oklch(63% 0.101 239.7)
-
Step 600
600
#277BAD
oklch(55.7% 0.11 239.8)
-
Step 700
700
#186795
oklch(49.1% 0.103 240.4)
-
Step 800
800
#185478
oklch(42.6% 0.084 240)
-
Step 900
900
#1B4661
oklch(37.7% 0.066 239.5)
-
Step 950
950
#112939
oklch(27% 0.042 240.1)
#78AED4 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) | #9DADD6 | 0.044 |
| Deuteranopia (no green cones) | #91A3D3 | 0.039 |
| Tritanopia (no blue cones) | #53B8BA | 0.065 |
| Achromatopsia (no color) | #A8A8A8 | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #78AED4
#78AED4
oklch(72.7% 0.079 239.9)
- #CC9B74
#CC9B74
oklch(72.6% 0.079 59.6)
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 #78AED4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluegrey #85A3B2 ΔE 0.050
- Greyblue #77A1B5 ΔE 0.050
- Cool Steel #97A7B3 ΔE 0.055
- Bluey Grey #89A0B0 ΔE 0.056
- Light Grey Blue #9DBCD4 ΔE 0.061
- Light Cornflower Blue #98C1D9 ΔE 0.067
- Carolina Blue #8AB8FE ΔE 0.067
- Cool Gray #8D99AE ΔE 0.068
Use #78AED4 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.